NU 641 Exam 1 Practice Questions with 100%
Correct Answers | Verified | Latest Update 2026
Ch 1 Prescriptive Authority 2. Which factors increase the need for APRNs to
have full prescriptive authority? - ANSWER a. More patients will have access to
health care.
Ch 1 Prescriptive Authority 3. Which factors could be attributed to limited
prescriptive authority for APRNs? Select all that apply. - ANSWER a.
Inaccessibility of patient care
b. Higher health care costs
Ch 1 Prescriptive Authority 4. Which aspects support the APRN's provision for
full prescriptive authority? Select all that apply - ANSWER a. Clinical education
includes prescription of medications and disease processes.
c. National examinations provide validation of the APRN's ability to provide safe
care.
d. Licensure ensures compliance with health care and safety standards.
Ch 1 Prescriptive Authority 5. Which aspects support the APRN's provision for
full prescriptive authority? Select all that apply. - ANSWER a. Clinical education
includes prescription of medications and disease processes.
c. National examinations provide validation of the APRN's ability to provide safe
care.
d. Licensure ensures compliance with health care and safety standards.
Ch 1 Prescriptive Authority 6. A family nurse practitioner practicing in Maine is
hired at a practice across state lines in Virginia. Which aspect of practice may
change for the APRN? - ANSWER a. The APRN will have less prescriptive
authority in the new position.
Ch 2 Rational Drug Selection and Prescription Writing 7. How can collaboration
with a pharmacist improve positive outcomes for patients? Select all that apply. -
ANSWER b. Pharmacists have additional information on drug interactions.
c. The pharmacist can suggest adequate medication dosing.
d. Pharmacists have firsthand knowledge of the facility formulary.
Ch 2 Rational Drug Selection and Prescription Writing 8. A patient presents with
delirium tremens requiring Ativan administration. The provider of care is not in
,the facility. Which action by the nurse is most appropriate? - ANSWER a. Obtain
a telephone order.
Ch 2 Rational Drug Selection and Prescription Writing 9. A patient with chronic
pain calls the provider's office to request a refill on their oxycontin. Which action
is most appropriate? - ANSWER b. Schedule an appointment with the patient.
Ch 2 Rational Drug Selection and Prescription Writing 10. A patient prescribed
amoxicillin for streptococcal pharyngitis reports new onset of a flat, itchy red
rash on the chest and neck. Which action is most important? - ANSWER b.
Discontinue the medication.
Ch 2 Rational Drug Selection and Prescription Writing 11. A patient taking three
medications for hypertension is diagnosed with COPD. Which action should be
taken prior to prescribing medications to treat COPD? - ANSWER b. Obtain a
complete medication history.
Ch 2 Rational Drug Selection and Prescription Writing 12. A patient with
diabetes reports losing their job and an inability to purchase required
medications. Which action is most appropriate? - ANSWER c. Contact a different
pharmacy.
Ch 2 Rational Drug Selection and Prescription Writing 13. A patient recently
prescribed hydrocodone calls to report they are unable to fill the prescription.
Which factors could contribute to the inability to fill the prescription? Select all
that apply. - ANSWER a. DEA number missing from prescription
b. Prescription sent via electronic messenger
d. Prescriber license number not included
Ch 3 Promoting Positive Outcomes of Drug Therapy 14. A patient reports that a
medication prescribed for recurrent migraine headaches is not working. Which
action should be taken first? - ANSWER a. Ask the patient about the number and
frequency of tablets taken.
Ch 3 Promoting Positive Outcomes of Drug Therapy 15. A patient is prescribed
metronidazole for bacterial vaginosis. Which patient history finding would be
most concerning? - ANSWER c. Drinks two glasses of wine every night
Ch 3 Promoting Positive Outcomes of Drug Therapy 16. A patient is using a
metered-dose inhaler containing albuterol for asthma. The medication label
instructs the patient to administer "two puffs every 4 hours as needed for
coughing or wheezing." The patient reports feeling jittery sometimes when
taking the medication, and she doesn't feel that the medication is always
effective. Which action is most appropriate? - ANSWER c. Auscultating lung
sounds and obtaining vital signs
,Ch 3 Promoting Positive Outcomes of Drug Therapy 17. A patient newly
diagnosed with diabetes is to be discharged from the hospital. Which action
should be taken first during medication education? - ANSWER a. Asking the
patient to demonstrate how to measure and administer insulin
Ch 3 Promoting Positive Outcomes of Drug Therapy 18. The drug manual states
that older adult patients are at increased risk for hepatic side effects. Which
action is most important when prescribing this medication to an 80-year-old
patient? - ANSWER a. Obtain pretreatment laboratory work.
Ch 3 Promoting Positive Outcomes of Drug Therapy 19. A patient recently
diagnosed with HIV is prescribed several medications to treat the condition.
Which factors could impact the patient's adherence to the treatment regimen?
Select all that apply. - ANSWER a. The patient is uninsured
b. The patient works three part-time jobs
c. The medication regimen includes six different pills
e. Medication regimen requires medication be taken at regular 4-hour intervals.
Ch 3 Promoting Positive Outcomes of Drug Therapy 20. A patient diagnosed with
bipolar disorder is prescribed daily lithium. Which action is most important to
determine if the therapeutic level is maintained? - ANSWER c. Ensure periodic
laboratory testing is completed.
Ch 4 Pharmacokinetics, Pharmacodynamics, and Drug Interactions 21. The
nurse administers naloxone [Narcan] to a patient who has received a toxic dose
of morphine sulfate. The nurse understands that the naloxone is effective
because of which action? - ANSWER c. Preventing activation of opioid receptors
through antagonist actions
Ch 4 Pharmacokinetics, Pharmacodynamics, and Drug Interactions 22. A patient
is taking drug X and receives a new prescription for drug Y, which is listed as an
inducing agent. The nurse caring for this patient understands that this patient
may require doses of drug - ANSWER c. higher X
Ch 4 Pharmacokinetics, Pharmacodynamics, and Drug Interactions 23. The
nurse is preparing to administer penicillin G intramuscularly to a child. The
child's parents ask why the drug cannot be given in an oral liquid form. What is
the nurse's reply? - ANSWER d. "This drug would be inactivated by enzymes in
the stomach."
Ch 4 Pharmacokinetics, Pharmacodynamics, and Drug Interactions 24. Which
statement about food and drug interactions is true? - ANSWER d. Some foods
can inhibit CYP isoenzymes and alter drug metabolism.
Ch 4 Pharmacokinetics, Pharmacodynamics, and Drug Interactions 25. A nurse
is teaching a patient about a drug that induces P-glycoprotein. The nurse will
, explain that this drug may cause which effect on other drugs? - ANSWER b.
Decreased elimination through the kidneys
Ch 4 Pharmacokinetics, Pharmacodynamics, and Drug Interactions 26. A patient
claims to get better effects with a tablet of Brand X of a drug than with a tablet of
Brand Y of the same drug. Both brands contain the same amount of the active
ingredient. What does the nurse know to be most likely? - ANSWER c. Tablets
can differ in composition and can have differing rates of disintegration and
dissolution, which can alter the drug's effects in the body.
Ch 4 Pharmacokinetics, Pharmacodynamics, and Drug Interactions 27. Two
nurses are discussing theories of drug-receptor interaction. Which statements
are true regarding the affinity of a drug and its receptor? - ANSWER b. Affinity
refers to the strength of the attraction between a drug and its receptor.
c. Drugs with high affinity are strongly attracted to their receptors.
e. The affinity of a drug for its receptors is reflected in its potency.
Ch 4 Pharmacokinetics, Pharmacodynamics, and Drug Interactions 28. A patient
receives a drug that has a narrow therapeutic range. The nurse administering
this medication will expect to do what? - ANSWER c. Monitor plasma drug levels.
Ch 4 Pharmacokinetics, Pharmacodynamics, and Drug Interactions 29. What
occurs when a drug binds to a receptor in the body? - ANSWER b. It increases or
decreases the activity of that receptor.
Ch 4 Pharmacokinetics, Pharmacodynamics, and Drug Interactions 30. A patient
is receiving intravenous gentamicin. A serum drug test reveals toxic levels. The
dosing is correct, and this medication has been tolerated by this patient in the
past. Which could be a probable cause of the test result? - ANSWER c. The
patient is taking another medication that binds to serum albumin.
Ch 4 Pharmacokinetics, Pharmacodynamics, and Drug Interactions 31. A patient
reports becoming "immune" to a medication because it no longer works to
alleviate symptoms. The nurse recognizes that this decreased effectiveness is
likely caused by: - ANSWER c. Desensitization of receptor sites by continual
exposure to the drug.
Ch 4 Pharmacokinetics, Pharmacodynamics, and Drug Interactions 32. A patient
who is taking morphine for pain asks the nurse how a pain medication can also
cause constipation. What does the nurse know about morphine? - ANSWER d. It
is selective to receptors that regulate more than one body process.
Ch 4 Pharmacokinetics, Pharmacodynamics, and Drug Interactions 33. The
nurse is administering morning medications. The nurse gives a patient multiple
medications, two of which compete for plasma albumin receptor sites. As a
Correct Answers | Verified | Latest Update 2026
Ch 1 Prescriptive Authority 2. Which factors increase the need for APRNs to
have full prescriptive authority? - ANSWER a. More patients will have access to
health care.
Ch 1 Prescriptive Authority 3. Which factors could be attributed to limited
prescriptive authority for APRNs? Select all that apply. - ANSWER a.
Inaccessibility of patient care
b. Higher health care costs
Ch 1 Prescriptive Authority 4. Which aspects support the APRN's provision for
full prescriptive authority? Select all that apply - ANSWER a. Clinical education
includes prescription of medications and disease processes.
c. National examinations provide validation of the APRN's ability to provide safe
care.
d. Licensure ensures compliance with health care and safety standards.
Ch 1 Prescriptive Authority 5. Which aspects support the APRN's provision for
full prescriptive authority? Select all that apply. - ANSWER a. Clinical education
includes prescription of medications and disease processes.
c. National examinations provide validation of the APRN's ability to provide safe
care.
d. Licensure ensures compliance with health care and safety standards.
Ch 1 Prescriptive Authority 6. A family nurse practitioner practicing in Maine is
hired at a practice across state lines in Virginia. Which aspect of practice may
change for the APRN? - ANSWER a. The APRN will have less prescriptive
authority in the new position.
Ch 2 Rational Drug Selection and Prescription Writing 7. How can collaboration
with a pharmacist improve positive outcomes for patients? Select all that apply. -
ANSWER b. Pharmacists have additional information on drug interactions.
c. The pharmacist can suggest adequate medication dosing.
d. Pharmacists have firsthand knowledge of the facility formulary.
Ch 2 Rational Drug Selection and Prescription Writing 8. A patient presents with
delirium tremens requiring Ativan administration. The provider of care is not in
,the facility. Which action by the nurse is most appropriate? - ANSWER a. Obtain
a telephone order.
Ch 2 Rational Drug Selection and Prescription Writing 9. A patient with chronic
pain calls the provider's office to request a refill on their oxycontin. Which action
is most appropriate? - ANSWER b. Schedule an appointment with the patient.
Ch 2 Rational Drug Selection and Prescription Writing 10. A patient prescribed
amoxicillin for streptococcal pharyngitis reports new onset of a flat, itchy red
rash on the chest and neck. Which action is most important? - ANSWER b.
Discontinue the medication.
Ch 2 Rational Drug Selection and Prescription Writing 11. A patient taking three
medications for hypertension is diagnosed with COPD. Which action should be
taken prior to prescribing medications to treat COPD? - ANSWER b. Obtain a
complete medication history.
Ch 2 Rational Drug Selection and Prescription Writing 12. A patient with
diabetes reports losing their job and an inability to purchase required
medications. Which action is most appropriate? - ANSWER c. Contact a different
pharmacy.
Ch 2 Rational Drug Selection and Prescription Writing 13. A patient recently
prescribed hydrocodone calls to report they are unable to fill the prescription.
Which factors could contribute to the inability to fill the prescription? Select all
that apply. - ANSWER a. DEA number missing from prescription
b. Prescription sent via electronic messenger
d. Prescriber license number not included
Ch 3 Promoting Positive Outcomes of Drug Therapy 14. A patient reports that a
medication prescribed for recurrent migraine headaches is not working. Which
action should be taken first? - ANSWER a. Ask the patient about the number and
frequency of tablets taken.
Ch 3 Promoting Positive Outcomes of Drug Therapy 15. A patient is prescribed
metronidazole for bacterial vaginosis. Which patient history finding would be
most concerning? - ANSWER c. Drinks two glasses of wine every night
Ch 3 Promoting Positive Outcomes of Drug Therapy 16. A patient is using a
metered-dose inhaler containing albuterol for asthma. The medication label
instructs the patient to administer "two puffs every 4 hours as needed for
coughing or wheezing." The patient reports feeling jittery sometimes when
taking the medication, and she doesn't feel that the medication is always
effective. Which action is most appropriate? - ANSWER c. Auscultating lung
sounds and obtaining vital signs
,Ch 3 Promoting Positive Outcomes of Drug Therapy 17. A patient newly
diagnosed with diabetes is to be discharged from the hospital. Which action
should be taken first during medication education? - ANSWER a. Asking the
patient to demonstrate how to measure and administer insulin
Ch 3 Promoting Positive Outcomes of Drug Therapy 18. The drug manual states
that older adult patients are at increased risk for hepatic side effects. Which
action is most important when prescribing this medication to an 80-year-old
patient? - ANSWER a. Obtain pretreatment laboratory work.
Ch 3 Promoting Positive Outcomes of Drug Therapy 19. A patient recently
diagnosed with HIV is prescribed several medications to treat the condition.
Which factors could impact the patient's adherence to the treatment regimen?
Select all that apply. - ANSWER a. The patient is uninsured
b. The patient works three part-time jobs
c. The medication regimen includes six different pills
e. Medication regimen requires medication be taken at regular 4-hour intervals.
Ch 3 Promoting Positive Outcomes of Drug Therapy 20. A patient diagnosed with
bipolar disorder is prescribed daily lithium. Which action is most important to
determine if the therapeutic level is maintained? - ANSWER c. Ensure periodic
laboratory testing is completed.
Ch 4 Pharmacokinetics, Pharmacodynamics, and Drug Interactions 21. The
nurse administers naloxone [Narcan] to a patient who has received a toxic dose
of morphine sulfate. The nurse understands that the naloxone is effective
because of which action? - ANSWER c. Preventing activation of opioid receptors
through antagonist actions
Ch 4 Pharmacokinetics, Pharmacodynamics, and Drug Interactions 22. A patient
is taking drug X and receives a new prescription for drug Y, which is listed as an
inducing agent. The nurse caring for this patient understands that this patient
may require doses of drug - ANSWER c. higher X
Ch 4 Pharmacokinetics, Pharmacodynamics, and Drug Interactions 23. The
nurse is preparing to administer penicillin G intramuscularly to a child. The
child's parents ask why the drug cannot be given in an oral liquid form. What is
the nurse's reply? - ANSWER d. "This drug would be inactivated by enzymes in
the stomach."
Ch 4 Pharmacokinetics, Pharmacodynamics, and Drug Interactions 24. Which
statement about food and drug interactions is true? - ANSWER d. Some foods
can inhibit CYP isoenzymes and alter drug metabolism.
Ch 4 Pharmacokinetics, Pharmacodynamics, and Drug Interactions 25. A nurse
is teaching a patient about a drug that induces P-glycoprotein. The nurse will
, explain that this drug may cause which effect on other drugs? - ANSWER b.
Decreased elimination through the kidneys
Ch 4 Pharmacokinetics, Pharmacodynamics, and Drug Interactions 26. A patient
claims to get better effects with a tablet of Brand X of a drug than with a tablet of
Brand Y of the same drug. Both brands contain the same amount of the active
ingredient. What does the nurse know to be most likely? - ANSWER c. Tablets
can differ in composition and can have differing rates of disintegration and
dissolution, which can alter the drug's effects in the body.
Ch 4 Pharmacokinetics, Pharmacodynamics, and Drug Interactions 27. Two
nurses are discussing theories of drug-receptor interaction. Which statements
are true regarding the affinity of a drug and its receptor? - ANSWER b. Affinity
refers to the strength of the attraction between a drug and its receptor.
c. Drugs with high affinity are strongly attracted to their receptors.
e. The affinity of a drug for its receptors is reflected in its potency.
Ch 4 Pharmacokinetics, Pharmacodynamics, and Drug Interactions 28. A patient
receives a drug that has a narrow therapeutic range. The nurse administering
this medication will expect to do what? - ANSWER c. Monitor plasma drug levels.
Ch 4 Pharmacokinetics, Pharmacodynamics, and Drug Interactions 29. What
occurs when a drug binds to a receptor in the body? - ANSWER b. It increases or
decreases the activity of that receptor.
Ch 4 Pharmacokinetics, Pharmacodynamics, and Drug Interactions 30. A patient
is receiving intravenous gentamicin. A serum drug test reveals toxic levels. The
dosing is correct, and this medication has been tolerated by this patient in the
past. Which could be a probable cause of the test result? - ANSWER c. The
patient is taking another medication that binds to serum albumin.
Ch 4 Pharmacokinetics, Pharmacodynamics, and Drug Interactions 31. A patient
reports becoming "immune" to a medication because it no longer works to
alleviate symptoms. The nurse recognizes that this decreased effectiveness is
likely caused by: - ANSWER c. Desensitization of receptor sites by continual
exposure to the drug.
Ch 4 Pharmacokinetics, Pharmacodynamics, and Drug Interactions 32. A patient
who is taking morphine for pain asks the nurse how a pain medication can also
cause constipation. What does the nurse know about morphine? - ANSWER d. It
is selective to receptors that regulate more than one body process.
Ch 4 Pharmacokinetics, Pharmacodynamics, and Drug Interactions 33. The
nurse is administering morning medications. The nurse gives a patient multiple
medications, two of which compete for plasma albumin receptor sites. As a
