North American Pharmacist Licensure
Exam Practice Questions And Correct
Answers (Verified Answers) Plus
Rationales 2026 Q&A | Instant
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1. A patient is prescribed warfarin. Which laboratory value is most
important to monitor?
A. Serum creatinine
B. INR
C. Hemoglobin A1c
D. Platelet count
Answer: B. INR
Rationale: INR is the standard test used to monitor and adjust
warfarin therapy to ensure therapeutic anticoagulation and prevent
bleeding or clotting complications.
2. Which insulin has the fastest onset of action?
A. NPH insulin
, B. Regular insulin
C. Insulin lispro
D. Insulin glargine
Answer: C. Insulin lispro
Rationale: Insulin lispro is rapid-acting, with onset within 10–20
minutes, making it the fastest among the options.
3. A patient on ACE inhibitors should be monitored for which adverse
effect?
A. Hypokalemia
B. Hyperkalemia
C. Hypocalcemia
D. Hypernatremia
Answer: B. Hyperkalemia
Rationale: ACE inhibitors reduce aldosterone secretion, leading to
potassium retention and risk of hyperkalemia.
4. Which medication is first-line for acute anaphylaxis?
A. Diphenhydramine
B. Epinephrine
C. Albuterol
D. Hydrocortisone
Answer: B. Epinephrine
Rationale: Epinephrine is the first-line treatment for anaphylaxis due
to its vasoconstrictive and bronchodilatory effects.
,5. What is the antidote for acetaminophen overdose?
A. Naloxone
B. Atropine
C. N-acetylcysteine
D. Flumazenil
Answer: C. N-acetylcysteine
Rationale: N-acetylcysteine replenishes glutathione and prevents
liver damage from toxic metabolites of acetaminophen.
6. Which antibiotic class is associated with tendon rupture?
A. Macrolides
B. Fluoroquinolones
C. Penicillins
D. Cephalosporins
Answer: B. Fluoroquinolones
Rationale: Fluoroquinolones are linked to tendonitis and tendon
rupture, especially in older patients.
7. Which drug is contraindicated in pregnancy due to teratogenicity?
A. Amoxicillin
B. Lisinopril
C. Cephalexin
D. Azithromycin
Answer: B. Lisinopril
, Rationale: ACE inhibitors like lisinopril can cause fetal renal damage
and are contraindicated in pregnancy.
8. Which medication is used to treat opioid overdose?
A. Flumazenil
B. Naloxone
C. Methadone
D. Buprenorphine
Answer: B. Naloxone
Rationale: Naloxone is an opioid antagonist used to reverse
respiratory depression from opioid overdose.
9. What is the mechanism of action of statins?
A. Inhibit COX enzymes
B. Inhibit HMG-CoA reductase
C. Block calcium channels
D. Inhibit ACE enzyme
Answer: B. Inhibit HMG-CoA reductase
Rationale: Statins lower cholesterol by inhibiting the rate-limiting
enzyme in cholesterol synthesis.
10. Which electrolyte imbalance is most associated with loop
diuretics?
A. Hyperkalemia
B. Hypokalemia
C. Hypercalcemia
Exam Practice Questions And Correct
Answers (Verified Answers) Plus
Rationales 2026 Q&A | Instant
Download Pdf
1. A patient is prescribed warfarin. Which laboratory value is most
important to monitor?
A. Serum creatinine
B. INR
C. Hemoglobin A1c
D. Platelet count
Answer: B. INR
Rationale: INR is the standard test used to monitor and adjust
warfarin therapy to ensure therapeutic anticoagulation and prevent
bleeding or clotting complications.
2. Which insulin has the fastest onset of action?
A. NPH insulin
, B. Regular insulin
C. Insulin lispro
D. Insulin glargine
Answer: C. Insulin lispro
Rationale: Insulin lispro is rapid-acting, with onset within 10–20
minutes, making it the fastest among the options.
3. A patient on ACE inhibitors should be monitored for which adverse
effect?
A. Hypokalemia
B. Hyperkalemia
C. Hypocalcemia
D. Hypernatremia
Answer: B. Hyperkalemia
Rationale: ACE inhibitors reduce aldosterone secretion, leading to
potassium retention and risk of hyperkalemia.
4. Which medication is first-line for acute anaphylaxis?
A. Diphenhydramine
B. Epinephrine
C. Albuterol
D. Hydrocortisone
Answer: B. Epinephrine
Rationale: Epinephrine is the first-line treatment for anaphylaxis due
to its vasoconstrictive and bronchodilatory effects.
,5. What is the antidote for acetaminophen overdose?
A. Naloxone
B. Atropine
C. N-acetylcysteine
D. Flumazenil
Answer: C. N-acetylcysteine
Rationale: N-acetylcysteine replenishes glutathione and prevents
liver damage from toxic metabolites of acetaminophen.
6. Which antibiotic class is associated with tendon rupture?
A. Macrolides
B. Fluoroquinolones
C. Penicillins
D. Cephalosporins
Answer: B. Fluoroquinolones
Rationale: Fluoroquinolones are linked to tendonitis and tendon
rupture, especially in older patients.
7. Which drug is contraindicated in pregnancy due to teratogenicity?
A. Amoxicillin
B. Lisinopril
C. Cephalexin
D. Azithromycin
Answer: B. Lisinopril
, Rationale: ACE inhibitors like lisinopril can cause fetal renal damage
and are contraindicated in pregnancy.
8. Which medication is used to treat opioid overdose?
A. Flumazenil
B. Naloxone
C. Methadone
D. Buprenorphine
Answer: B. Naloxone
Rationale: Naloxone is an opioid antagonist used to reverse
respiratory depression from opioid overdose.
9. What is the mechanism of action of statins?
A. Inhibit COX enzymes
B. Inhibit HMG-CoA reductase
C. Block calcium channels
D. Inhibit ACE enzyme
Answer: B. Inhibit HMG-CoA reductase
Rationale: Statins lower cholesterol by inhibiting the rate-limiting
enzyme in cholesterol synthesis.
10. Which electrolyte imbalance is most associated with loop
diuretics?
A. Hyperkalemia
B. Hypokalemia
C. Hypercalcemia
