PROPHECY RN PHARMACOLOGY
PRACTICE EXAM 2 QUESTIONS AND
CORRECT ANSWERS (VERIFIED
ANSWERS) PLUS RATIONALES 2025
1. A patient receiving warfarin has an INR of 4.5. What is the nurse’s
priority action?
Hold the next dose and notify the healthcare provider
Holding the dose and notifying the provider helps prevent bleeding
due to elevated INR.
2. Which of the following is a common side effect of ACE inhibitors like
lisinopril?
Dry cough
ACE inhibitors increase bradykinin levels, which can cause a
persistent dry cough.
3. A patient taking digoxin reports seeing yellow halos. What should the
nurse suspect?
, Digoxin toxicity
Visual disturbances like yellow halos are classic signs of digoxin
toxicity.
4. What is the reversal agent for opioid overdose?
Naloxone (Narcan)
Naloxone rapidly reverses the effects of opioids by competing at
opioid receptors.
5. Which laboratory value should be monitored with aminoglycoside
antibiotics like gentamicin?
Creatinine
Aminoglycosides are nephrotoxic; monitoring kidney function is
essential.
6. Which instruction should be included for a patient prescribed
tetracycline?
Avoid taking it with dairy products
Calcium in dairy binds to tetracycline, decreasing its absorption.
7. What is the antidote for heparin overdose?
Protamine sulfate
Protamine sulfate binds to heparin, reversing its anticoagulant
effects.
8. A nurse is preparing to administer regular insulin subcutaneously.
When should the nurse expect the onset of action?
, 30 to 60 minutes
Regular insulin begins to work within 30–60 minutes after
administration.
9. Which of the following medications can cause hypokalemia?
Furosemide (Lasix)
Furosemide is a loop diuretic that increases potassium excretion.
10. What is the primary concern when administering morphine IV?
Respiratory depression
Morphine suppresses the respiratory center in the brain.
11. A nurse is giving vancomycin IV. What adverse effect should the
nurse monitor for?
Red man syndrome
Rapid infusion of vancomycin can cause histamine release, leading to
flushing and rash.
12. Which lab should be closely monitored for a patient on
warfarin?
INR
INR monitors the therapeutic range of warfarin’s anticoagulant
effect.
13. What is a common side effect of beta blockers like metoprolol?
Bradycardia
PRACTICE EXAM 2 QUESTIONS AND
CORRECT ANSWERS (VERIFIED
ANSWERS) PLUS RATIONALES 2025
1. A patient receiving warfarin has an INR of 4.5. What is the nurse’s
priority action?
Hold the next dose and notify the healthcare provider
Holding the dose and notifying the provider helps prevent bleeding
due to elevated INR.
2. Which of the following is a common side effect of ACE inhibitors like
lisinopril?
Dry cough
ACE inhibitors increase bradykinin levels, which can cause a
persistent dry cough.
3. A patient taking digoxin reports seeing yellow halos. What should the
nurse suspect?
, Digoxin toxicity
Visual disturbances like yellow halos are classic signs of digoxin
toxicity.
4. What is the reversal agent for opioid overdose?
Naloxone (Narcan)
Naloxone rapidly reverses the effects of opioids by competing at
opioid receptors.
5. Which laboratory value should be monitored with aminoglycoside
antibiotics like gentamicin?
Creatinine
Aminoglycosides are nephrotoxic; monitoring kidney function is
essential.
6. Which instruction should be included for a patient prescribed
tetracycline?
Avoid taking it with dairy products
Calcium in dairy binds to tetracycline, decreasing its absorption.
7. What is the antidote for heparin overdose?
Protamine sulfate
Protamine sulfate binds to heparin, reversing its anticoagulant
effects.
8. A nurse is preparing to administer regular insulin subcutaneously.
When should the nurse expect the onset of action?
, 30 to 60 minutes
Regular insulin begins to work within 30–60 minutes after
administration.
9. Which of the following medications can cause hypokalemia?
Furosemide (Lasix)
Furosemide is a loop diuretic that increases potassium excretion.
10. What is the primary concern when administering morphine IV?
Respiratory depression
Morphine suppresses the respiratory center in the brain.
11. A nurse is giving vancomycin IV. What adverse effect should the
nurse monitor for?
Red man syndrome
Rapid infusion of vancomycin can cause histamine release, leading to
flushing and rash.
12. Which lab should be closely monitored for a patient on
warfarin?
INR
INR monitors the therapeutic range of warfarin’s anticoagulant
effect.
13. What is a common side effect of beta blockers like metoprolol?
Bradycardia
