Ati Pharmacology Proctored
Examination 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 should be
monitored?
A. aPTT
B. INR
C. Platelet count
D. Hemoglobin
Correct Answer: B. INR
Rationale: Warfarin therapy is monitored using INR (International
Normalized Ratio) to ensure the blood is within the therapeutic
anticoagulation range and to prevent bleeding or clotting complications.
2. Which medication is used as an antidote for acetaminophen overdose?
A. Naloxone
B. Acetylcysteine
C. Vitamin K
D. Flumazenil
Correct Answer: B. Acetylcysteine
Rationale: Acetylcysteine replenishes glutathione stores in the liver,
helping detoxify toxic metabolites of acetaminophen and preventing liver
damage.
,3. A patient taking digoxin reports nausea, vomiting, and visual halos. What is
the priority action?
A. Administer another dose
B. Hold the medication and notify provider
C. Give antiemetic
D. Encourage fluids
Correct Answer: B. Hold the medication and notify provider
Rationale: These are signs of digoxin toxicity, which can be life-
threatening. The medication must be held immediately and serum levels
checked.
4. Which drug classification does furosemide belong to?
A. ACE inhibitor
B. Loop diuretic
C. Beta blocker
D. Thiazide diuretic
Correct Answer: B. Loop diuretic
Rationale: Furosemide is a loop diuretic that promotes excretion of sodium
and water by acting on the loop of Henle in the kidney.
5. What is the antidote for heparin overdose?
A. Vitamin K
B. Protamine sulfate
C. Atropine
D. Naloxone
Correct Answer: B. Protamine sulfate
Rationale: Protamine sulfate binds to heparin and neutralizes its
anticoagulant effects.
, 6. A patient is taking lisinopril. Which side effect requires immediate
attention?
A. Dry cough
B. Hypotension
C. Angioedema
D. Headache
Correct Answer: C. Angioedema
Rationale: Angioedema can cause airway obstruction and is a life-
threatening reaction to ACE inhibitors like lisinopril.
7. Which insulin has the fastest onset?
A. NPH
B. Glargine
C. Regular insulin
D. Lispro
Correct Answer: D. Lispro
Rationale: Rapid-acting insulins like lispro have the fastest onset and are
used for mealtime glucose control.
8. Which medication is used to treat hypothyroidism?
A. Methimazole
B. Levothyroxine
C. Propylthiouracil
D. Liothyronine
Correct Answer: B. Levothyroxine
Rationale: Levothyroxine replaces deficient thyroid hormone in
hypothyroidism.
9. What is a common side effect of opioid medications?
A. Hypertension
Examination Questions And Correct
Answers (Verified Answers) Plus
Rationales 2026 Q&A | Instant
Download Pdf
1. A patient is prescribed warfarin. Which laboratory value should be
monitored?
A. aPTT
B. INR
C. Platelet count
D. Hemoglobin
Correct Answer: B. INR
Rationale: Warfarin therapy is monitored using INR (International
Normalized Ratio) to ensure the blood is within the therapeutic
anticoagulation range and to prevent bleeding or clotting complications.
2. Which medication is used as an antidote for acetaminophen overdose?
A. Naloxone
B. Acetylcysteine
C. Vitamin K
D. Flumazenil
Correct Answer: B. Acetylcysteine
Rationale: Acetylcysteine replenishes glutathione stores in the liver,
helping detoxify toxic metabolites of acetaminophen and preventing liver
damage.
,3. A patient taking digoxin reports nausea, vomiting, and visual halos. What is
the priority action?
A. Administer another dose
B. Hold the medication and notify provider
C. Give antiemetic
D. Encourage fluids
Correct Answer: B. Hold the medication and notify provider
Rationale: These are signs of digoxin toxicity, which can be life-
threatening. The medication must be held immediately and serum levels
checked.
4. Which drug classification does furosemide belong to?
A. ACE inhibitor
B. Loop diuretic
C. Beta blocker
D. Thiazide diuretic
Correct Answer: B. Loop diuretic
Rationale: Furosemide is a loop diuretic that promotes excretion of sodium
and water by acting on the loop of Henle in the kidney.
5. What is the antidote for heparin overdose?
A. Vitamin K
B. Protamine sulfate
C. Atropine
D. Naloxone
Correct Answer: B. Protamine sulfate
Rationale: Protamine sulfate binds to heparin and neutralizes its
anticoagulant effects.
, 6. A patient is taking lisinopril. Which side effect requires immediate
attention?
A. Dry cough
B. Hypotension
C. Angioedema
D. Headache
Correct Answer: C. Angioedema
Rationale: Angioedema can cause airway obstruction and is a life-
threatening reaction to ACE inhibitors like lisinopril.
7. Which insulin has the fastest onset?
A. NPH
B. Glargine
C. Regular insulin
D. Lispro
Correct Answer: D. Lispro
Rationale: Rapid-acting insulins like lispro have the fastest onset and are
used for mealtime glucose control.
8. Which medication is used to treat hypothyroidism?
A. Methimazole
B. Levothyroxine
C. Propylthiouracil
D. Liothyronine
Correct Answer: B. Levothyroxine
Rationale: Levothyroxine replaces deficient thyroid hormone in
hypothyroidism.
9. What is a common side effect of opioid medications?
A. Hypertension
