Calculating Drug Dosages: A Patient-Safe Approach to Nursing and Math 3rd Edition (Castillo, 2025) - Test Bank
TEST BANK
Calculating Drug Dosages
A Patient-Safe Approach to Nursing and Math
Sandra Luz Martinez de Castillo, Maryanne Werner-McCullough
3rd Edition
, Calculating Drug Dosages: A Patient-Safe Approach to Nursing and Math 3rd Edition (Castillo, 2025) - Test Bank
Table of Contents
Unit One. Safety in Medication Administration
Chapter 1. Safety in Medication Administration
Chapter 2. The Drug Label
Unit Two. Systems of Measurement
Chapter 3. The Metric System
Chapter 4. The Household System
Unit Three. Methods of Calculation
Chapter 5. Linear Ratio and Proportion
Chapter 6. Fractional Ratio and Proportion
Chapter 7. Dimensional Analysis
Chapter 8. Formula Method
Unit Four. Administration of Medications
Chapter 9. Calculating Oral Medication Doses
Chapter 10. Syringes and Needles
Chapter 11. Calculating Parenteral Medication Dosages
Chapter 12. Preparing Powdered Parenteral Medications
Chapter 13. Administration of Insulin
Unit Five. IV Therapy and Administration of Intravenous Medications
Chapter 14. Intravenous Infusion and Infusion Rates
Chapter 15. Calculating Infusion and Completion Time
Chapter 16. Administering IV Push Medications
Unit Six. Titration and Verifying Safe Dose
Chapter 17. Titration of Intravenous Medications
Chapter 18. Verifying Safe Dose
Unit Seven. Intake and Output
Chapter 19. Calculating Intake and Output
Chapter 20. Parenteral Intake
Unit Eight. Dosages for Pediatric and Older Adult Populations
Chapter 21. Considerations for the Pediatric Population
Chapter 22. Considerations for the Older Adult Population
, Calculating Drug Dosages: A Patient-Safe Approach to Nursing and Math 3rd Edition (Castillo, 2025) - Test Bank
Chapter 1: Safety in Medication Administration
DC DC DC DC DC
Castillo: Calculating Drug Dosages: A Patient-Safe Approach to Nursing and Math 3rd Edition
DC DC DC DC DC DC DC DC DC DC DC DC
MULTIPLE CHOICE DC
1. The following medication order is in the patient’s medication administration record (MAR):
DC DC DC DC DC DC DC DC DC DC DC
methylPREDnisolone 40 mg PO daily at 0900. DC DC DC DC DC DC
After DC reading the order, the nurse correctly determines:
DC DC DC DC DC DC
A “PO” is an inappropriate abbreviation.
DC DC DC DC
B the medication order is written correctly.
DC DC DC DC DC
C 40 mg should be written as 40mg.
DC DC DC DC DC DC
D tall man lettering indicates that the drug is a narco
DC DC DC DC DC DC DC DC DC
tic.
ANSWER: B DC
Feedback
The medication order has all the required components (drug name, dose, rout
DC DC DC DC DC DC DC DC DC DC DC
e, andfrequency of administration) for a drug order. “PO” is an appropriate a
DC C
D DC DC DC DC DC DC DC DC DC DC DC
bbreviation;40 mg is written correctly with a space between the dose and the
C
D DC DC DC DC DC DC DC DC DC DC DC DC
unit of measurement. Tall man lettering is used to distinguish the drug from
DC DC DC DC DC DC DC DC DC DC DC DC DC
another drug
DC DC
with a similar name.
DC DC DC
2. Which DC of the following accurately describes the “Boxed Warning” found on a drug label?
DC DC DC DC DC DC DC DC DC DC DC DC
A It is primarily is used to identify the safe dose for the patient.
DC DC DC DC DC DC DC DC DC DC DC DC
B It is commonly found on all drug labels.
DC DC DC DC DC DC DC
C It identifies serious potential risks and side effects related to drug u
DC DC DC DC DC DC DC DC DC DC DC
se.
D It protects the patient by providing information to decrease side effe
DC DC DC DC DC DC DC DC DC DC
cts.
ANSWER: C DC
Feedback
A drug label with a boxed warning provides information to healthcare profess
DC DC DC DC DC DC DC DC DC DC DC
ionalsand patients regarding the serious risks and side effects related to the dr
C
D DC DC DC DC DC DC DC DC DC DC DC DC
ug. The Boxed Warning is not the primary source for identifying the patient’s
DC DC DC DC DC DC DC DC DC DC DC DC
drug dosage.
DC DC
The warning is found on specific prescription medications and does not p
DC DC DC DC DC DC DC DC DC DC DC
rovideinformation to reduce or decrease side effects.
D DC DC DC DC DC DC
3. When practicing safety in the administration of medication, for which of the fol
DC DC DC DC DC DC DC DC DC DC DC DC
lowingmedication orders should a nurse seek clarification before the administrati
C
D DC DC DC DC DC DC DC DC DC
on of the medication?
DC DC DC
, Calculating Drug Dosages: A Patient-Safe Approach to Nursing and Math 3rd Edition (Castillo, 2025) - Test Bank
A Regular insulin 5 u subcut now.
DC DC DC DC DC
B Enoxaparin 80 mg subcut every 12 hours.
DC DC DC DC DC DC
C Benadryl 50 mg PO PRN every 6 hr for itchi
DC DC DC DC DC DC DC DC DC
ng.
D Ondansetron 4 mg IVP stat. DC DC DC DC
ANSWER: A DC
Feedback
The “u” should never be used in a medication order; rather, for safety, th
DC DC DC DC DC DC DC DC DC DC DC DC DC
e word“units” should be spelled out. The other answer options contain th
DC C
D DC DC DC DC DC DC DC DC DC DC
e required
DC
components needed to safely carry out the medication order.
DC DC DC DC DC DC DC DC
4. A nurse is reviewing a drug label with a drug name written with tall man lettering.
DC DC DC DC DC DC DC DC DC DC DC DC DC DC DC DC
Which statements shows the nurse has a correct understanding of tall man lettering o
DC DC DC DC DC DC DC DC DC DC DC DC DC
n a drug label?
DC DC DC
A “The tall man lettering means this is a high alert drug.”
DC DC DC DC DC DC DC DC DC DC
B “The tall man lettering helps me distinguish this drug with other drugs tha
DC DC DC DC DC DC DC DC DC DC DC DC
t
have similar names.” DC DC
C “The tall man lettering means that this drug must have a Boxed Warning.
DC DC DC DC DC DC DC DC DC DC DC DC
”
D “The tall man lettering helps me quickly identify that this drug is an injec
DC DC DC DC DC DC DC DC DC DC DC DC DC
table
drug.”
ANSWER: B DC
Feedback
Tall man lettering highlights a portion of the drug name to help distinguis
DC DC DC DC DC DC DC DC DC DC DC DC
h from imilar drug names. It is not used to identify high alert drugs, highl
DC D DC DC DC DC DC DC DC DC DC DC DC DC
ight a boxed DC DC
warning, or identify injectable drugs.
DC DC DC DC
5. The following medication orders are found in the patient’s MAR:
DC DC DC DC DC DC DC DC DC
Metformin HCl 500 mg PO daily at 0900. Hydrochloroth
DC DC DC DC DC DC DC DC
iazide 25 mg PO every 12 hr at 0900 and 2100.Digoxin .
DC DC DC DC DC DC DC DC DC DC C
D DC
25 mg PO daily at 0900.
DC DC DC DC DC
In reading the medication orders for the 0700–
DC DC DC DC DC DC DC
1500 shift, the nurse determines that which ofthe following is the priority nursing int
DC DC DC DC DC DC DC C
D DC DC DC DC DC DC
ervention?
A Clarify the metformin HCl order.
DC DC DC DC
B Clarify the hydrochlorothiazide order.
DC DC DC
C Clarify the digoxin order.
DC DC DC
D Prepare to administer the 0900 medications
DC DC DC DC DC
, Calculating Drug Dosages: A Patient-Safe Approach to Nursing and Math 3rd Edition (Castillo, 2025) - Test Bank
ANSWER: C DC
Feedback
The digoxin medication order is lacking a zero before the decimal fraction (.
DC DC DC DC DC DC DC DC DC DC DC DC
25). Safe practice recommends using a zero before a decimal point when the
DC DC DC DC DC DC DC DC DC DC DC DC DC
dose is lessthan one. The metformin HCl and the hydrochlorothiazide orders
DC DC C
D DC DC DC DC DC DC DC DC DC
are written
DC
correctly. The order should be clarified before preparing the 0900 medications.
DC DC DC DC DC DC DC DC DC DC
6. In the administration of medications, when should the nurse document the administrat
DC DC DC DC DC DC DC DC DC DC DC
ion ofmedications?
DC C
D
A 30 minutes before administering to the patient.
DC DC DC DC DC DC
B Immediately before administering to the patient DC DC DC DC DC
.
C At the end of the shift.DC DC DC DC DC
D Immediately after administering to the patient. DC DC DC DC DC
ANSWER: D DC
Feedback
The last “Right of Medication Administration” is the documentation of medicati
DC DC DC DC DC DC DC DC DC DC
ons.The documentation is done immediately after administering the medications
C
D DC DC DC DC DC DC DC DC DC
to the
DC
patient.
7. The following medication is ordered for the patient:
DC DC DC DC DC DC DC
Calcitriol Oral Solution 2 µg PO Daily
DC DC DC DC DC DC
After DC reading the order, what is the initial action needed by the nurse?
DC DC DC DC DC DC DC DC DC DC DC
A Clarify the written medication dose of 2 µg.
DC DC DC DC DC DC DC
B Look up the dose in a drug reference book.
DC DC DC DC DC DC DC DC
C Transcribe the medication order onto the MA
DC DC DC DC DC DC
R.
D Ask the patient the daily dose taken at home.
DC DC DC DC DC DC DC DC
ANSWER: A DC
Feedback
The initial action is for the nurse to clarify the drug dose because it is writ
DC DC DC DC DC DC DC DC DC DC DC DC DC DC DC
ten withthe error-
DC C
D DC
prone letter/symbol “µ.” To avoid medication errors, it is recommended
DC DC DC DC DC DC DC DC DC
that the “µ” not be used in medication orders. Instead the abbreviation “mc
DC DC DC DC DC DC DC DC DC DC DC DC
g” is tobe used for microgram.
DC DC C
D DC DC DC
8. Recommendations by the Institute of Medicine for reducing medication errors help en
DC DC DC DC DC DC DC DC DC DC DC
hance afe nursing practice by:
D DC DC DC
, Calculating Drug Dosages: A Patient-Safe Approach to Nursing and Math 3rd Edition (Castillo, 2025) - Test Bank
A shifting primary responsibility for drug therapy onto patients and familie
DC DC DC DC DC DC DC DC DC
s.
B referring patients and families to the pharmacist for drug therapy questi
DC DC DC DC DC DC DC DC DC DC
ons.
C answering drug therapy questions when a new prescription is ordered.
DC DC DC DC DC DC DC DC DC
D promoting ongoing communication between patients and healthcare
DC DC DC DC DC DC
providers.
ANSWER: D DC
Feedback
The Institute of Medicine recommendations include the establishment of colla
DC DC DC DC DC DC DC DC DC
borative partnership between patients and healthcare providers to assist in ed
DC DC DC DC DC DC DC DC DC DC
ucating, consulting, and listening to patient’s concerns. Ongoing communicatio
DC DC DC DC DC DC DC DC
nbetween patients and healthcare providers keeps the focus on the needs of t
C
D DC DC DC DC DC DC DC DC DC DC DC DC
he
individual patient and promotes safety.
DC DC DC DC
9. In consulting a drug reference book, the nurse reads that certain medications are classi
DC DC DC DC DC DC DC DC DC DC DC DC DC
fied as“high-alert” medications. In the administration of high-
DC C
D DC DC DC DC DC DC
alert medications, what is the priorityaction of the nurse?
DC DC DC DC DC C
D DC DC DC
A Inform the patient of the harmful side effects.
DC DC DC DC DC DC DC
B Double-
check the dose with another nurse prior to administering the drug.
DC DC DC DC DC DC DC DC DC DC
C Provide drug literature to the family to assist with monitoring for har
DC DC DC DC DC DC DC DC DC DC DC
mful
effects.
D Seek assistance from the pharmacist to explain the effects of the drug.
DC DC DC DC DC DC DC DC DC DC DC
ANSWER: B DC
Feedback
High-
alert medications have an increased risk of patient harm. Safe practice in the
DC DC DC DC DC DC DC DC DC DC DC DC DC
administration of high- DC DC
alert medications requires the nurse to double check the dose with another nur
DC DC DC DC DC DC DC DC DC DC DC DC
se prior to the administration of the drug. Informing the patient and family of
DC DC DC DC DC DC DC DC DC DC DC DC DC D
Cthe drug’s harmful effects may be indicated for some patients, but the prevent
DC DC DC DC DC DC DC DC DC DC DC DC
ion of a medication error is critical. Drug literature may be helpful for some
DC DC DC DC DC DC DC DC DC DC DC DC DC DC
families, but not all. The nurse should seek assistance from the pharmacist wh
DC DC DC DC DC DC DC DC DC DC DC DC
enever
there is a question, but this is not specific for high-alert medications.
DC DC DC DC DC DC DC DC DC DC DC
10. All of the following medication orders are found in a patient’s MAR. Select the me
DC DC DC DC DC DC DC DC DC DC DC DC DC DC
dicationorder that requires clarification before administration.
C
D DC DC DC DC DC
A Captopril 12.5 mg PO at 0700 and 1700
DC DC DC DC DC DC DC
B Regular insulin 7 units subcut 30 minutes before breakfa
DC DC DC DC DC DC DC DC
st.
C Ketorolac 15 mg IM stat DC DC DC DC
, Calculating Drug Dosages: A Patient-Safe Approach to Nursing and Math 3rd Edition (Castillo, 2025) - Test Bank
D Morphine sulfate 45.0 mg PO every 5 hr for pain.
DC DC DC DC DC DC DC DC DC
ANSWER: D DC
Feedback
The ordered dose of morphine sulfate, 45.0 mg, has a trailing zero, which m
DC DC DC DC DC DC DC DC DC DC DC DC DC
ay leadto an error in the administration of the ordered dose. The medication
DC D DC DC DC DC DC DC DC DC DC DC DC DC
orders for captopril, Regular insulin, and ketorolac contain the required comp
DC DC DC DC DC DC DC DC DC DC
onents of a DC DC
medication order. DC
, Calculating Drug Dosages: A Patient-Safe Approach to Nursing and Math 3rd Edition (Castillo, 2025) - Test Bank
Chapter 2: The Drug Label DC DC DC DC
Castillo: Calculating Drug Dosages: A Patient-Safe Approach to Nursing and Math 3rd Edition
DC DC DC DC DC DC DC DC DC DC DC DC
MULTIPLE CHOICE DC
1. On a home health visit, the nurse finds a drug bottle with the following informatio
DC DC DC DC DC DC DC DC DC DC DC DC DC DC
n on thelabel:
DC DC C
D
Flagyl ® DC
metronidazole tablets USP DC DC
250 mg tabletsDC DC
In reading the drug label, the nurse is correct to interpret that:
DC DC DC DC DC DC DC DC DC DC DC
A Metronidazole is the generic name of the drug. DC DC DC DC DC DC DC
B Flagyl is the generic name of the drug. DC DC DC DC DC DC DC
C “USP” indicates a boxed warning. DC DC DC DC
D The symbol ® identifies the drug as a high-
DC DC DC DC DC DC DC DC
alert drug. DC
ANSWER: A DC
Feedback
The generic name is listed under the brand name. Flagyl is the brand name.
DC DC DC DC DC DC DC DC DC DC DC DC DC D
USP stands for United States Pharmacopeia and does not indicate a boxed
C DC DC DC DC DC DC DC DC DC DC DC DC
warning. Thesymbol ® is found next to the brand name and indicates that t
DC C
D DC DC DC DC DC DC DC DC DC DC DC DC
he drug name is
DC DC DC
registered and trademark protected. DC DC DC
2. The following information is on the drug label:
DC DC DC DC DC DC DC
Diazepam CI DC
VOral Solutio
C DC
n 5 mg per 5
DC DC DC DC
mL
DC
In reading the drug label, the nurse is correct to interpret that:
DC DC DC DC DC DC DC DC DC DC DC
A diazepam is the brand name. DC DC DC DC
B diazepam is a controlled substance. DC DC DC DC
C the CIV is used to identify oral solutions on the la
DC DC DC DC DC DC DC DC DC DC
bel.
D the drug is on the list of Confused Drug names.
DC DC DC DC DC DC DC DC DC
ANSWER: B DC
Feedback
, Calculating Drug Dosages: A Patient-Safe Approach to Nursing and Math 3rd Edition (Castillo, 2025) - Test Bank
The CIV indicates that the drug is a controlled substance found under the Sch
DC DC DC DC DC DC DC DC DC DC DC DC DC
edule IV category. Diazepam is the generic name. The letter “C” indicates tha
DC DC DC DC DC DC DC DC DC DC DC DC
t the drug is a controlled substance and the roman numeral (IV) signify under
DC DC DC DC DC DC DC DC DC DC DC DC DC D
Cwhich schedule thedrug is categorized. The CIV is not used to highlight conf
DC DC DC DC DC DC DC DC DC DC DC DC
3. The following information is on the drug label:
DC DC DC DC DC DC DC
Minipress ® DC
(prazosin hydrochloride) DC
1 mg C
DC DC
apsules
The nurse can safely administer this drug via which route?
DC DC DC DC DC DC DC DC DC
A IM
B Subcut
C IV
D PO
ANSWER: D DC
Feedback
Although not specifically stated on the label, it is understood that capsul
DC DC DC DC DC DC DC DC DC DC DC
es andtablets are administered via the oral (PO) route. All the other rout
DC C
D DC DC DC DC DC DC DC DC DC DC DC
es indicate
DC
parenteral routes of administration.DC DC DC
4. The nurse is preparing the following medication:
DC DC DC DC DC DC
Glucotrol XL ® DC DC
(glipizide)
Extended release tabs DC DC
2.5 mg DC
What does the nurse need to do when administering this drug?
DC DC DC DC DC DC DC DC DC DC
A Crush and dissolve the tablet in 15 mL of water.
DC DC DC DC DC DC DC DC DC
B Give half the tablet now and the other a half hour l
DC DC DC DC DC DC DC DC DC DC DC
ater.
C Instruct the patient swallow the entire tablet.
DC DC DC DC DC DC
D Instruct the patient to chew the tablet slowly.
DC DC DC DC DC DC DC
ANSWER: C DC
Feedback
, Calculating Drug Dosages: A Patient-Safe Approach to Nursing and Math 3rd Edition (Castillo, 2025) - Test Bank
Extended release tablets must be swallowed whole to safely allow for consta
DC DC DC DC DC DC DC DC DC DC DC
nt release of the medication over a specific time. Extended release tablets m
DC DC DC DC DC DC DC DC DC DC DC DC
ust not becrushed, divided, or chewed.
DC DC C DC DC DC
5. The medication order is to administer 0.1 mL of a drug intradermally. Th
DC DC DC DC DC DC DC DC DC DC DC DC
e nurse emonstrates proper administration of the drug when the drug is:
DC C DC DC DC DC DC DC DC DC DC
A given into the muscle. DC DC DC
B placed between the gum and lining of the che DC DC DC DC DC DC DC DC
ek.
C injected into the top layers of the skin. DC DC DC DC DC DC DC
D inhaled through the mouth or nose. DC DC DC DC DC
ANSWER: C DC
Feedback
Intradermal (ID) administration of a drug is given into the top layers of the s
DC DC DC DC DC DC DC DC DC DC DC DC DC DC
kin. Drugs given into the muscle use the intramuscular (IM) route. Drugs plac
DC DC DC DC DC DC DC DC DC DC DC DC
ed between
DC
the gum and lining of the cheek use the buccal route. Drugs administered t
DC DC DC DC DC DC DC DC DC DC DC DC DC
hroughthe mouth or nose use the inhalant route.
C
D DC DC DC DC DC DC DC
6. The medication order is to give 0.5 mg of a drug sublingually. The nurse demonstrates
DC DC DC DC DC DC DC DC DC DC DC DC DC DC
properadministration of the drug when the drug is:
DC DC DC DC DC DC DC DC
A placed between the gum and lining of the che DC DC DC DC DC DC DC DC
ek.
B placed under the tongue. DC DC DC
C injected into the subcutaneous tissue. DC DC DC DC
D inhaled through the nasal mucosa. DC DC DC DC
ANSWER: B DC
Feedback
The sublingual (SL) administration of a drug is correct when the drug is
DC DC DC DC DC DC DC DC DC DC DC DC DC
placed under the tongue. Drugs placed between the gum and lining of the
DC DC DC DC DC DC DC DC DC DC DC DC D
cheek use thebuccal route. Drugs injected into the top layers of the skin
C DC DC C
D DC DC DC DC DC DC DC DC DC DC DC
use the subcutaneous
DC DC
(subcut) route. Drugs inhaled through the nasal mucosa use the intranasal route.
DC DC DC DC DC DC DC DC DC DC DC
7. The nurse finds the following medication in the patient’s medication drawer:
DC DC DC DC DC DC DC DC DC DC
Aldactazide ® spironol DC DC
actone and hydrochlorot
DC DC
TEST BANK
Calculating Drug Dosages
A Patient-Safe Approach to Nursing and Math
Sandra Luz Martinez de Castillo, Maryanne Werner-McCullough
3rd Edition
, Calculating Drug Dosages: A Patient-Safe Approach to Nursing and Math 3rd Edition (Castillo, 2025) - Test Bank
Table of Contents
Unit One. Safety in Medication Administration
Chapter 1. Safety in Medication Administration
Chapter 2. The Drug Label
Unit Two. Systems of Measurement
Chapter 3. The Metric System
Chapter 4. The Household System
Unit Three. Methods of Calculation
Chapter 5. Linear Ratio and Proportion
Chapter 6. Fractional Ratio and Proportion
Chapter 7. Dimensional Analysis
Chapter 8. Formula Method
Unit Four. Administration of Medications
Chapter 9. Calculating Oral Medication Doses
Chapter 10. Syringes and Needles
Chapter 11. Calculating Parenteral Medication Dosages
Chapter 12. Preparing Powdered Parenteral Medications
Chapter 13. Administration of Insulin
Unit Five. IV Therapy and Administration of Intravenous Medications
Chapter 14. Intravenous Infusion and Infusion Rates
Chapter 15. Calculating Infusion and Completion Time
Chapter 16. Administering IV Push Medications
Unit Six. Titration and Verifying Safe Dose
Chapter 17. Titration of Intravenous Medications
Chapter 18. Verifying Safe Dose
Unit Seven. Intake and Output
Chapter 19. Calculating Intake and Output
Chapter 20. Parenteral Intake
Unit Eight. Dosages for Pediatric and Older Adult Populations
Chapter 21. Considerations for the Pediatric Population
Chapter 22. Considerations for the Older Adult Population
, Calculating Drug Dosages: A Patient-Safe Approach to Nursing and Math 3rd Edition (Castillo, 2025) - Test Bank
Chapter 1: Safety in Medication Administration
DC DC DC DC DC
Castillo: Calculating Drug Dosages: A Patient-Safe Approach to Nursing and Math 3rd Edition
DC DC DC DC DC DC DC DC DC DC DC DC
MULTIPLE CHOICE DC
1. The following medication order is in the patient’s medication administration record (MAR):
DC DC DC DC DC DC DC DC DC DC DC
methylPREDnisolone 40 mg PO daily at 0900. DC DC DC DC DC DC
After DC reading the order, the nurse correctly determines:
DC DC DC DC DC DC
A “PO” is an inappropriate abbreviation.
DC DC DC DC
B the medication order is written correctly.
DC DC DC DC DC
C 40 mg should be written as 40mg.
DC DC DC DC DC DC
D tall man lettering indicates that the drug is a narco
DC DC DC DC DC DC DC DC DC
tic.
ANSWER: B DC
Feedback
The medication order has all the required components (drug name, dose, rout
DC DC DC DC DC DC DC DC DC DC DC
e, andfrequency of administration) for a drug order. “PO” is an appropriate a
DC C
D DC DC DC DC DC DC DC DC DC DC DC
bbreviation;40 mg is written correctly with a space between the dose and the
C
D DC DC DC DC DC DC DC DC DC DC DC DC
unit of measurement. Tall man lettering is used to distinguish the drug from
DC DC DC DC DC DC DC DC DC DC DC DC DC
another drug
DC DC
with a similar name.
DC DC DC
2. Which DC of the following accurately describes the “Boxed Warning” found on a drug label?
DC DC DC DC DC DC DC DC DC DC DC DC
A It is primarily is used to identify the safe dose for the patient.
DC DC DC DC DC DC DC DC DC DC DC DC
B It is commonly found on all drug labels.
DC DC DC DC DC DC DC
C It identifies serious potential risks and side effects related to drug u
DC DC DC DC DC DC DC DC DC DC DC
se.
D It protects the patient by providing information to decrease side effe
DC DC DC DC DC DC DC DC DC DC
cts.
ANSWER: C DC
Feedback
A drug label with a boxed warning provides information to healthcare profess
DC DC DC DC DC DC DC DC DC DC DC
ionalsand patients regarding the serious risks and side effects related to the dr
C
D DC DC DC DC DC DC DC DC DC DC DC DC
ug. The Boxed Warning is not the primary source for identifying the patient’s
DC DC DC DC DC DC DC DC DC DC DC DC
drug dosage.
DC DC
The warning is found on specific prescription medications and does not p
DC DC DC DC DC DC DC DC DC DC DC
rovideinformation to reduce or decrease side effects.
D DC DC DC DC DC DC
3. When practicing safety in the administration of medication, for which of the fol
DC DC DC DC DC DC DC DC DC DC DC DC
lowingmedication orders should a nurse seek clarification before the administrati
C
D DC DC DC DC DC DC DC DC DC
on of the medication?
DC DC DC
, Calculating Drug Dosages: A Patient-Safe Approach to Nursing and Math 3rd Edition (Castillo, 2025) - Test Bank
A Regular insulin 5 u subcut now.
DC DC DC DC DC
B Enoxaparin 80 mg subcut every 12 hours.
DC DC DC DC DC DC
C Benadryl 50 mg PO PRN every 6 hr for itchi
DC DC DC DC DC DC DC DC DC
ng.
D Ondansetron 4 mg IVP stat. DC DC DC DC
ANSWER: A DC
Feedback
The “u” should never be used in a medication order; rather, for safety, th
DC DC DC DC DC DC DC DC DC DC DC DC DC
e word“units” should be spelled out. The other answer options contain th
DC C
D DC DC DC DC DC DC DC DC DC DC
e required
DC
components needed to safely carry out the medication order.
DC DC DC DC DC DC DC DC
4. A nurse is reviewing a drug label with a drug name written with tall man lettering.
DC DC DC DC DC DC DC DC DC DC DC DC DC DC DC DC
Which statements shows the nurse has a correct understanding of tall man lettering o
DC DC DC DC DC DC DC DC DC DC DC DC DC
n a drug label?
DC DC DC
A “The tall man lettering means this is a high alert drug.”
DC DC DC DC DC DC DC DC DC DC
B “The tall man lettering helps me distinguish this drug with other drugs tha
DC DC DC DC DC DC DC DC DC DC DC DC
t
have similar names.” DC DC
C “The tall man lettering means that this drug must have a Boxed Warning.
DC DC DC DC DC DC DC DC DC DC DC DC
”
D “The tall man lettering helps me quickly identify that this drug is an injec
DC DC DC DC DC DC DC DC DC DC DC DC DC
table
drug.”
ANSWER: B DC
Feedback
Tall man lettering highlights a portion of the drug name to help distinguis
DC DC DC DC DC DC DC DC DC DC DC DC
h from imilar drug names. It is not used to identify high alert drugs, highl
DC D DC DC DC DC DC DC DC DC DC DC DC DC
ight a boxed DC DC
warning, or identify injectable drugs.
DC DC DC DC
5. The following medication orders are found in the patient’s MAR:
DC DC DC DC DC DC DC DC DC
Metformin HCl 500 mg PO daily at 0900. Hydrochloroth
DC DC DC DC DC DC DC DC
iazide 25 mg PO every 12 hr at 0900 and 2100.Digoxin .
DC DC DC DC DC DC DC DC DC DC C
D DC
25 mg PO daily at 0900.
DC DC DC DC DC
In reading the medication orders for the 0700–
DC DC DC DC DC DC DC
1500 shift, the nurse determines that which ofthe following is the priority nursing int
DC DC DC DC DC DC DC C
D DC DC DC DC DC DC
ervention?
A Clarify the metformin HCl order.
DC DC DC DC
B Clarify the hydrochlorothiazide order.
DC DC DC
C Clarify the digoxin order.
DC DC DC
D Prepare to administer the 0900 medications
DC DC DC DC DC
, Calculating Drug Dosages: A Patient-Safe Approach to Nursing and Math 3rd Edition (Castillo, 2025) - Test Bank
ANSWER: C DC
Feedback
The digoxin medication order is lacking a zero before the decimal fraction (.
DC DC DC DC DC DC DC DC DC DC DC DC
25). Safe practice recommends using a zero before a decimal point when the
DC DC DC DC DC DC DC DC DC DC DC DC DC
dose is lessthan one. The metformin HCl and the hydrochlorothiazide orders
DC DC C
D DC DC DC DC DC DC DC DC DC
are written
DC
correctly. The order should be clarified before preparing the 0900 medications.
DC DC DC DC DC DC DC DC DC DC
6. In the administration of medications, when should the nurse document the administrat
DC DC DC DC DC DC DC DC DC DC DC
ion ofmedications?
DC C
D
A 30 minutes before administering to the patient.
DC DC DC DC DC DC
B Immediately before administering to the patient DC DC DC DC DC
.
C At the end of the shift.DC DC DC DC DC
D Immediately after administering to the patient. DC DC DC DC DC
ANSWER: D DC
Feedback
The last “Right of Medication Administration” is the documentation of medicati
DC DC DC DC DC DC DC DC DC DC
ons.The documentation is done immediately after administering the medications
C
D DC DC DC DC DC DC DC DC DC
to the
DC
patient.
7. The following medication is ordered for the patient:
DC DC DC DC DC DC DC
Calcitriol Oral Solution 2 µg PO Daily
DC DC DC DC DC DC
After DC reading the order, what is the initial action needed by the nurse?
DC DC DC DC DC DC DC DC DC DC DC
A Clarify the written medication dose of 2 µg.
DC DC DC DC DC DC DC
B Look up the dose in a drug reference book.
DC DC DC DC DC DC DC DC
C Transcribe the medication order onto the MA
DC DC DC DC DC DC
R.
D Ask the patient the daily dose taken at home.
DC DC DC DC DC DC DC DC
ANSWER: A DC
Feedback
The initial action is for the nurse to clarify the drug dose because it is writ
DC DC DC DC DC DC DC DC DC DC DC DC DC DC DC
ten withthe error-
DC C
D DC
prone letter/symbol “µ.” To avoid medication errors, it is recommended
DC DC DC DC DC DC DC DC DC
that the “µ” not be used in medication orders. Instead the abbreviation “mc
DC DC DC DC DC DC DC DC DC DC DC DC
g” is tobe used for microgram.
DC DC C
D DC DC DC
8. Recommendations by the Institute of Medicine for reducing medication errors help en
DC DC DC DC DC DC DC DC DC DC DC
hance afe nursing practice by:
D DC DC DC
, Calculating Drug Dosages: A Patient-Safe Approach to Nursing and Math 3rd Edition (Castillo, 2025) - Test Bank
A shifting primary responsibility for drug therapy onto patients and familie
DC DC DC DC DC DC DC DC DC
s.
B referring patients and families to the pharmacist for drug therapy questi
DC DC DC DC DC DC DC DC DC DC
ons.
C answering drug therapy questions when a new prescription is ordered.
DC DC DC DC DC DC DC DC DC
D promoting ongoing communication between patients and healthcare
DC DC DC DC DC DC
providers.
ANSWER: D DC
Feedback
The Institute of Medicine recommendations include the establishment of colla
DC DC DC DC DC DC DC DC DC
borative partnership between patients and healthcare providers to assist in ed
DC DC DC DC DC DC DC DC DC DC
ucating, consulting, and listening to patient’s concerns. Ongoing communicatio
DC DC DC DC DC DC DC DC
nbetween patients and healthcare providers keeps the focus on the needs of t
C
D DC DC DC DC DC DC DC DC DC DC DC DC
he
individual patient and promotes safety.
DC DC DC DC
9. In consulting a drug reference book, the nurse reads that certain medications are classi
DC DC DC DC DC DC DC DC DC DC DC DC DC
fied as“high-alert” medications. In the administration of high-
DC C
D DC DC DC DC DC DC
alert medications, what is the priorityaction of the nurse?
DC DC DC DC DC C
D DC DC DC
A Inform the patient of the harmful side effects.
DC DC DC DC DC DC DC
B Double-
check the dose with another nurse prior to administering the drug.
DC DC DC DC DC DC DC DC DC DC
C Provide drug literature to the family to assist with monitoring for har
DC DC DC DC DC DC DC DC DC DC DC
mful
effects.
D Seek assistance from the pharmacist to explain the effects of the drug.
DC DC DC DC DC DC DC DC DC DC DC
ANSWER: B DC
Feedback
High-
alert medications have an increased risk of patient harm. Safe practice in the
DC DC DC DC DC DC DC DC DC DC DC DC DC
administration of high- DC DC
alert medications requires the nurse to double check the dose with another nur
DC DC DC DC DC DC DC DC DC DC DC DC
se prior to the administration of the drug. Informing the patient and family of
DC DC DC DC DC DC DC DC DC DC DC DC DC D
Cthe drug’s harmful effects may be indicated for some patients, but the prevent
DC DC DC DC DC DC DC DC DC DC DC DC
ion of a medication error is critical. Drug literature may be helpful for some
DC DC DC DC DC DC DC DC DC DC DC DC DC DC
families, but not all. The nurse should seek assistance from the pharmacist wh
DC DC DC DC DC DC DC DC DC DC DC DC
enever
there is a question, but this is not specific for high-alert medications.
DC DC DC DC DC DC DC DC DC DC DC
10. All of the following medication orders are found in a patient’s MAR. Select the me
DC DC DC DC DC DC DC DC DC DC DC DC DC DC
dicationorder that requires clarification before administration.
C
D DC DC DC DC DC
A Captopril 12.5 mg PO at 0700 and 1700
DC DC DC DC DC DC DC
B Regular insulin 7 units subcut 30 minutes before breakfa
DC DC DC DC DC DC DC DC
st.
C Ketorolac 15 mg IM stat DC DC DC DC
, Calculating Drug Dosages: A Patient-Safe Approach to Nursing and Math 3rd Edition (Castillo, 2025) - Test Bank
D Morphine sulfate 45.0 mg PO every 5 hr for pain.
DC DC DC DC DC DC DC DC DC
ANSWER: D DC
Feedback
The ordered dose of morphine sulfate, 45.0 mg, has a trailing zero, which m
DC DC DC DC DC DC DC DC DC DC DC DC DC
ay leadto an error in the administration of the ordered dose. The medication
DC D DC DC DC DC DC DC DC DC DC DC DC DC
orders for captopril, Regular insulin, and ketorolac contain the required comp
DC DC DC DC DC DC DC DC DC DC
onents of a DC DC
medication order. DC
, Calculating Drug Dosages: A Patient-Safe Approach to Nursing and Math 3rd Edition (Castillo, 2025) - Test Bank
Chapter 2: The Drug Label DC DC DC DC
Castillo: Calculating Drug Dosages: A Patient-Safe Approach to Nursing and Math 3rd Edition
DC DC DC DC DC DC DC DC DC DC DC DC
MULTIPLE CHOICE DC
1. On a home health visit, the nurse finds a drug bottle with the following informatio
DC DC DC DC DC DC DC DC DC DC DC DC DC DC
n on thelabel:
DC DC C
D
Flagyl ® DC
metronidazole tablets USP DC DC
250 mg tabletsDC DC
In reading the drug label, the nurse is correct to interpret that:
DC DC DC DC DC DC DC DC DC DC DC
A Metronidazole is the generic name of the drug. DC DC DC DC DC DC DC
B Flagyl is the generic name of the drug. DC DC DC DC DC DC DC
C “USP” indicates a boxed warning. DC DC DC DC
D The symbol ® identifies the drug as a high-
DC DC DC DC DC DC DC DC
alert drug. DC
ANSWER: A DC
Feedback
The generic name is listed under the brand name. Flagyl is the brand name.
DC DC DC DC DC DC DC DC DC DC DC DC DC D
USP stands for United States Pharmacopeia and does not indicate a boxed
C DC DC DC DC DC DC DC DC DC DC DC DC
warning. Thesymbol ® is found next to the brand name and indicates that t
DC C
D DC DC DC DC DC DC DC DC DC DC DC DC
he drug name is
DC DC DC
registered and trademark protected. DC DC DC
2. The following information is on the drug label:
DC DC DC DC DC DC DC
Diazepam CI DC
VOral Solutio
C DC
n 5 mg per 5
DC DC DC DC
mL
DC
In reading the drug label, the nurse is correct to interpret that:
DC DC DC DC DC DC DC DC DC DC DC
A diazepam is the brand name. DC DC DC DC
B diazepam is a controlled substance. DC DC DC DC
C the CIV is used to identify oral solutions on the la
DC DC DC DC DC DC DC DC DC DC
bel.
D the drug is on the list of Confused Drug names.
DC DC DC DC DC DC DC DC DC
ANSWER: B DC
Feedback
, Calculating Drug Dosages: A Patient-Safe Approach to Nursing and Math 3rd Edition (Castillo, 2025) - Test Bank
The CIV indicates that the drug is a controlled substance found under the Sch
DC DC DC DC DC DC DC DC DC DC DC DC DC
edule IV category. Diazepam is the generic name. The letter “C” indicates tha
DC DC DC DC DC DC DC DC DC DC DC DC
t the drug is a controlled substance and the roman numeral (IV) signify under
DC DC DC DC DC DC DC DC DC DC DC DC DC D
Cwhich schedule thedrug is categorized. The CIV is not used to highlight conf
DC DC DC DC DC DC DC DC DC DC DC DC
3. The following information is on the drug label:
DC DC DC DC DC DC DC
Minipress ® DC
(prazosin hydrochloride) DC
1 mg C
DC DC
apsules
The nurse can safely administer this drug via which route?
DC DC DC DC DC DC DC DC DC
A IM
B Subcut
C IV
D PO
ANSWER: D DC
Feedback
Although not specifically stated on the label, it is understood that capsul
DC DC DC DC DC DC DC DC DC DC DC
es andtablets are administered via the oral (PO) route. All the other rout
DC C
D DC DC DC DC DC DC DC DC DC DC DC
es indicate
DC
parenteral routes of administration.DC DC DC
4. The nurse is preparing the following medication:
DC DC DC DC DC DC
Glucotrol XL ® DC DC
(glipizide)
Extended release tabs DC DC
2.5 mg DC
What does the nurse need to do when administering this drug?
DC DC DC DC DC DC DC DC DC DC
A Crush and dissolve the tablet in 15 mL of water.
DC DC DC DC DC DC DC DC DC
B Give half the tablet now and the other a half hour l
DC DC DC DC DC DC DC DC DC DC DC
ater.
C Instruct the patient swallow the entire tablet.
DC DC DC DC DC DC
D Instruct the patient to chew the tablet slowly.
DC DC DC DC DC DC DC
ANSWER: C DC
Feedback
, Calculating Drug Dosages: A Patient-Safe Approach to Nursing and Math 3rd Edition (Castillo, 2025) - Test Bank
Extended release tablets must be swallowed whole to safely allow for consta
DC DC DC DC DC DC DC DC DC DC DC
nt release of the medication over a specific time. Extended release tablets m
DC DC DC DC DC DC DC DC DC DC DC DC
ust not becrushed, divided, or chewed.
DC DC C DC DC DC
5. The medication order is to administer 0.1 mL of a drug intradermally. Th
DC DC DC DC DC DC DC DC DC DC DC DC
e nurse emonstrates proper administration of the drug when the drug is:
DC C DC DC DC DC DC DC DC DC DC
A given into the muscle. DC DC DC
B placed between the gum and lining of the che DC DC DC DC DC DC DC DC
ek.
C injected into the top layers of the skin. DC DC DC DC DC DC DC
D inhaled through the mouth or nose. DC DC DC DC DC
ANSWER: C DC
Feedback
Intradermal (ID) administration of a drug is given into the top layers of the s
DC DC DC DC DC DC DC DC DC DC DC DC DC DC
kin. Drugs given into the muscle use the intramuscular (IM) route. Drugs plac
DC DC DC DC DC DC DC DC DC DC DC DC
ed between
DC
the gum and lining of the cheek use the buccal route. Drugs administered t
DC DC DC DC DC DC DC DC DC DC DC DC DC
hroughthe mouth or nose use the inhalant route.
C
D DC DC DC DC DC DC DC
6. The medication order is to give 0.5 mg of a drug sublingually. The nurse demonstrates
DC DC DC DC DC DC DC DC DC DC DC DC DC DC
properadministration of the drug when the drug is:
DC DC DC DC DC DC DC DC
A placed between the gum and lining of the che DC DC DC DC DC DC DC DC
ek.
B placed under the tongue. DC DC DC
C injected into the subcutaneous tissue. DC DC DC DC
D inhaled through the nasal mucosa. DC DC DC DC
ANSWER: B DC
Feedback
The sublingual (SL) administration of a drug is correct when the drug is
DC DC DC DC DC DC DC DC DC DC DC DC DC
placed under the tongue. Drugs placed between the gum and lining of the
DC DC DC DC DC DC DC DC DC DC DC DC D
cheek use thebuccal route. Drugs injected into the top layers of the skin
C DC DC C
D DC DC DC DC DC DC DC DC DC DC DC
use the subcutaneous
DC DC
(subcut) route. Drugs inhaled through the nasal mucosa use the intranasal route.
DC DC DC DC DC DC DC DC DC DC DC
7. The nurse finds the following medication in the patient’s medication drawer:
DC DC DC DC DC DC DC DC DC DC
Aldactazide ® spironol DC DC
actone and hydrochlorot
DC DC
