Combined 7 Versions Of Dosage Calculation
Practices 2022/2023 All Answered Correctly.
Dosage Calculation Practice
A patient has an order for Chloromycetin, 500 mg every 6 hours. The drug comes
in 250 mg capsules. What would the nurse administer?
2 tabs
A nurse is to administer 150 mg of a drug intramuscularly. The label on the
multidose vials reads 100 mg/mL. How much would the nurse give?
1.5 mL
A nurse is to administer 30 mg of furosemide (Lasix) to a client with congestive
heart failure (CHF). The vial contains 40 mg/mL. Which is the correct dose to
administer?
0.75 mL
The nurse is providing discharge teaching for a client who has been prescribed
600 mg of an oral liquid medication. The mother shows the nurse the label of the
medication, which reads: 250 mg/mL. The nurse would instruct the mother to give
how many milliliters?
2.4 mL
A child is to receive 500 mg of an antibiotic suspension. The label on the bottle
reads 250 mg/5 mL. The nurse should administer how much of the suspension in
one dose?
10 mL
A health care provider orders 250 mg of an antibiotic suspension. The label on
the suspension reads "500 mg/5 mL." How much would the nurse administer?
2.5 mL
The client is to be given ascorbic acid 1 g daily by mouth. The medication comes
in a container labeled, "Ascorbic Acid 250 mg tablets." How much will the nurse
give?
4 tabs
convert grams to mg (Times by 1000)
= (1 gram)(1000)=1000mg
=1000mg/250mg= 4 tablets
The PCP orders amoxicillin 250 mg by mouth two times a day. The drug label
reads "Amoxicillin 125 mg/5 ml." How much will the nurse administer?
10 mL
A nurse is to administer 175 mg of a medication intramuscularly. The label on the
multidose vial states that the concentration is 100 mg/mL. What volume of the
drug should the nurse administer?
1.7 mL
,The nurse is preparing to administer 80 mg of Solu-medrol intravenously (IV) to a
client with pneumonia. The vial states that it has 120 mg per 2 mL. The nurse
would correctly draw up which amount?
1.3 mL
The health care provider prescribes ascorbic acid 0.5 g daily. The drug label
reads ascorbic acid 250 mg. The nurse would administer how many tablets?
2 tabs
convert grams first
(0.5grams) (1000mg)= 500mg
= 500mg/250mg= 2 tablets
A client is being treated for congestive heart failure (CHF) and is to receive 0.5
milligrams of digoxin, which is available in 250-microgram tablets. The nurse
would correctly administer how many tablets?
2 tabs
convert milligrams to MICROgrams= (0.5)(1000)
=500/250= 2 tablets
The nurse is to administer 25 mg of meperidine (Demerol). The vial states that it
contains meperidine 50mg/1 mL. How much medication should the nurse draw up
for the ordered dosage?
0.5 mL
A nurse needs to convert 3 fluid ounces to the metric system equivalent. The
nurse performs the calculation to find which result?
90 mL
1 ounce equals 29.5735 Milliliters
=30ml
= (30ml)(3)= 90ml
A client has been prescribed a one-time dose of 4 mg morphine IV. The
medication is available in ampules of 10 mg/mL. What volume of morphine should
the nurse draw up?
0.4 mL
A physical orders 75 mcg of a drug IM daily. The drug is available in a vial
labeled 0.5 mg in 5 mL. How many mL with the patient receive?
0.75 mL
convert first! (mcg to mg)
= 75mcg / 1000= 0.075
= 0..5 = 0.15
= (0.15) ( 5ml)= 0.75
=0.75ml
The patient is to receive 750 mg of a drug PO daily. The drug bottle is labeled 0.5
g in 5 mL. How many Tbs will the patient receive?
0.5 Tbs
convert first!
,The order is for 1 g of a medication PO BID. The pharmacy sends the medication
labeled 200 mg in 5 mL. How many mL should the nurse administer?
25 mL
The physician orders to administer Prednisolone oral solution 0.03 g daily. The
label reads Predisolone 15 mg per 5 mL. How many tsp will the patient receive?
2 tsp
The physician orders granisetron 450 mcg IV 30 minutes prior to chemotherapy.
The label reads 0.1 mg per mL. How many mL will the nurse administer to the
patient?
4.5 mL
A client is prescribed ergocalciferol 240,000 units by mouth each day. The
medication is available in 8000 units/mL.
Which amount in ounces will the nurse administer for one dose?
(Do not round. Record your answer using a whole number.)
=(one) 1 oz
=30ml per dose
Answer = 1 (One) Ounce or (30ml) (is equal to 1 (One) ounce)
(Order) 240,,000(by Have on hand)=
=30 ml....... however answer is in ounces therfore
30ml is equal to 1 (One) ounce
The health care provider prescribes gentamicin 4 mg/kg/day PO in three divided
doses for a client that weighs 132 lb (60 kg).
The label on the vial reads 80 mg/mL.
How many mL does the nurse administer for each dose? (Round at the end of the
equation. Record your answer using a whole number.)
mL
1ml
4mg * 60kg = 240mg ( Per 24 hours)
= 240mg / by 3 doses= 80mg per dose
(Order=80mg per dose)
= availavle is 80mg/per 1 ml
= (Order / available * the ml)
= 80mg/80mg *1ml = 1ml
The nurse provides care for a client admitted for pre-eclampsia. The health care
provider prescribes magnesium sulfate at a maintenance dose of 1.5 grams per
hour. Magnesium sulfate is available in 4 grams in 100 mL 0.9% sodium chloride.
The nurse adjusts the flow rate to run at how many milliliters per hour? (Round at
the end of the equation. Record your answer using one decimal place.)
37.5ml/hr
Order- 1.5g/hr
Have is 4g/100ml
= 1.5g/4g= 0.375
, times ml given = 100ml
= 0.375* 100ml= 37.5 ml
A client is prescribed cephalexin 250 mg by mouth every 12 hours. The
medication is available in 500 mg/tablet. Which number of tablets will the nurse
administer to the client?
(Round at the end of the equation. Record your answer using one decimal place.)
0.5 Tablets
250mg order / 500mg available = 0.5 mg every 12 hours
The nurse, preparing medication for a client, has a 20 mL multidose vial of
heparin labeled 10,000 units per mL. The prescribed concentration is to mix
25,000 units of heparin per 250 mL of normal saline.
Which amount of heparin, in mLs, will the nurse add to the 250 mL bag of normal
saline?
(Record your answer using one decimal place.)
(10,000/1) = (25,000/x)
x = 2.5
=2.5ml
The nurse cares for a client receiving 1,800 ml of IV fluid daily. The IV set delivers
60 drops per ml.
The nurse should adjust the IV flow rate so that the client receives how many
drops of fluid per minute?
(1,hr) = 75 drops/min
IV set delivers 60 drops per min, ml per hr equals drops per min
The nurse dilutes a 2-g vial of cefazolin (Ancef) with 3 mL of diluent to yield a
volume of 3.2 mL.
How many mL should the nurse administer if the physician orders 550 mg IM?
(2,000 mg / 3.2ml)
=(550 mg / X ml)X
= 0.88 ml
1g = ? mg
1g = 1,000 mg
The nurse cares for a client receiving potassium chloride 25 mEq IV piggyback.
The potassium chloride is labeled 10 ml = 40 mEq.
Record the number of milliliters of potassium chloride that the nurse should add
to the IV solution.
(10 ml / 40 mEq) =
(Xml / 25 mEq)
Practices 2022/2023 All Answered Correctly.
Dosage Calculation Practice
A patient has an order for Chloromycetin, 500 mg every 6 hours. The drug comes
in 250 mg capsules. What would the nurse administer?
2 tabs
A nurse is to administer 150 mg of a drug intramuscularly. The label on the
multidose vials reads 100 mg/mL. How much would the nurse give?
1.5 mL
A nurse is to administer 30 mg of furosemide (Lasix) to a client with congestive
heart failure (CHF). The vial contains 40 mg/mL. Which is the correct dose to
administer?
0.75 mL
The nurse is providing discharge teaching for a client who has been prescribed
600 mg of an oral liquid medication. The mother shows the nurse the label of the
medication, which reads: 250 mg/mL. The nurse would instruct the mother to give
how many milliliters?
2.4 mL
A child is to receive 500 mg of an antibiotic suspension. The label on the bottle
reads 250 mg/5 mL. The nurse should administer how much of the suspension in
one dose?
10 mL
A health care provider orders 250 mg of an antibiotic suspension. The label on
the suspension reads "500 mg/5 mL." How much would the nurse administer?
2.5 mL
The client is to be given ascorbic acid 1 g daily by mouth. The medication comes
in a container labeled, "Ascorbic Acid 250 mg tablets." How much will the nurse
give?
4 tabs
convert grams to mg (Times by 1000)
= (1 gram)(1000)=1000mg
=1000mg/250mg= 4 tablets
The PCP orders amoxicillin 250 mg by mouth two times a day. The drug label
reads "Amoxicillin 125 mg/5 ml." How much will the nurse administer?
10 mL
A nurse is to administer 175 mg of a medication intramuscularly. The label on the
multidose vial states that the concentration is 100 mg/mL. What volume of the
drug should the nurse administer?
1.7 mL
,The nurse is preparing to administer 80 mg of Solu-medrol intravenously (IV) to a
client with pneumonia. The vial states that it has 120 mg per 2 mL. The nurse
would correctly draw up which amount?
1.3 mL
The health care provider prescribes ascorbic acid 0.5 g daily. The drug label
reads ascorbic acid 250 mg. The nurse would administer how many tablets?
2 tabs
convert grams first
(0.5grams) (1000mg)= 500mg
= 500mg/250mg= 2 tablets
A client is being treated for congestive heart failure (CHF) and is to receive 0.5
milligrams of digoxin, which is available in 250-microgram tablets. The nurse
would correctly administer how many tablets?
2 tabs
convert milligrams to MICROgrams= (0.5)(1000)
=500/250= 2 tablets
The nurse is to administer 25 mg of meperidine (Demerol). The vial states that it
contains meperidine 50mg/1 mL. How much medication should the nurse draw up
for the ordered dosage?
0.5 mL
A nurse needs to convert 3 fluid ounces to the metric system equivalent. The
nurse performs the calculation to find which result?
90 mL
1 ounce equals 29.5735 Milliliters
=30ml
= (30ml)(3)= 90ml
A client has been prescribed a one-time dose of 4 mg morphine IV. The
medication is available in ampules of 10 mg/mL. What volume of morphine should
the nurse draw up?
0.4 mL
A physical orders 75 mcg of a drug IM daily. The drug is available in a vial
labeled 0.5 mg in 5 mL. How many mL with the patient receive?
0.75 mL
convert first! (mcg to mg)
= 75mcg / 1000= 0.075
= 0..5 = 0.15
= (0.15) ( 5ml)= 0.75
=0.75ml
The patient is to receive 750 mg of a drug PO daily. The drug bottle is labeled 0.5
g in 5 mL. How many Tbs will the patient receive?
0.5 Tbs
convert first!
,The order is for 1 g of a medication PO BID. The pharmacy sends the medication
labeled 200 mg in 5 mL. How many mL should the nurse administer?
25 mL
The physician orders to administer Prednisolone oral solution 0.03 g daily. The
label reads Predisolone 15 mg per 5 mL. How many tsp will the patient receive?
2 tsp
The physician orders granisetron 450 mcg IV 30 minutes prior to chemotherapy.
The label reads 0.1 mg per mL. How many mL will the nurse administer to the
patient?
4.5 mL
A client is prescribed ergocalciferol 240,000 units by mouth each day. The
medication is available in 8000 units/mL.
Which amount in ounces will the nurse administer for one dose?
(Do not round. Record your answer using a whole number.)
=(one) 1 oz
=30ml per dose
Answer = 1 (One) Ounce or (30ml) (is equal to 1 (One) ounce)
(Order) 240,,000(by Have on hand)=
=30 ml....... however answer is in ounces therfore
30ml is equal to 1 (One) ounce
The health care provider prescribes gentamicin 4 mg/kg/day PO in three divided
doses for a client that weighs 132 lb (60 kg).
The label on the vial reads 80 mg/mL.
How many mL does the nurse administer for each dose? (Round at the end of the
equation. Record your answer using a whole number.)
mL
1ml
4mg * 60kg = 240mg ( Per 24 hours)
= 240mg / by 3 doses= 80mg per dose
(Order=80mg per dose)
= availavle is 80mg/per 1 ml
= (Order / available * the ml)
= 80mg/80mg *1ml = 1ml
The nurse provides care for a client admitted for pre-eclampsia. The health care
provider prescribes magnesium sulfate at a maintenance dose of 1.5 grams per
hour. Magnesium sulfate is available in 4 grams in 100 mL 0.9% sodium chloride.
The nurse adjusts the flow rate to run at how many milliliters per hour? (Round at
the end of the equation. Record your answer using one decimal place.)
37.5ml/hr
Order- 1.5g/hr
Have is 4g/100ml
= 1.5g/4g= 0.375
, times ml given = 100ml
= 0.375* 100ml= 37.5 ml
A client is prescribed cephalexin 250 mg by mouth every 12 hours. The
medication is available in 500 mg/tablet. Which number of tablets will the nurse
administer to the client?
(Round at the end of the equation. Record your answer using one decimal place.)
0.5 Tablets
250mg order / 500mg available = 0.5 mg every 12 hours
The nurse, preparing medication for a client, has a 20 mL multidose vial of
heparin labeled 10,000 units per mL. The prescribed concentration is to mix
25,000 units of heparin per 250 mL of normal saline.
Which amount of heparin, in mLs, will the nurse add to the 250 mL bag of normal
saline?
(Record your answer using one decimal place.)
(10,000/1) = (25,000/x)
x = 2.5
=2.5ml
The nurse cares for a client receiving 1,800 ml of IV fluid daily. The IV set delivers
60 drops per ml.
The nurse should adjust the IV flow rate so that the client receives how many
drops of fluid per minute?
(1,hr) = 75 drops/min
IV set delivers 60 drops per min, ml per hr equals drops per min
The nurse dilutes a 2-g vial of cefazolin (Ancef) with 3 mL of diluent to yield a
volume of 3.2 mL.
How many mL should the nurse administer if the physician orders 550 mg IM?
(2,000 mg / 3.2ml)
=(550 mg / X ml)X
= 0.88 ml
1g = ? mg
1g = 1,000 mg
The nurse cares for a client receiving potassium chloride 25 mEq IV piggyback.
The potassium chloride is labeled 10 ml = 40 mEq.
Record the number of milliliters of potassium chloride that the nurse should add
to the IV solution.
(10 ml / 40 mEq) =
(Xml / 25 mEq)
