Pharmacology (Green PACOP)
Questions and Answers | Latest
Version | 2025/2026 | Correct & Verified
Which type of drug blocks the action of histamine at H1 receptors?
A. Proton pump inhibitor
B. H2 receptor antagonist
✔✔C. H1 antihistamine
D. Beta-blocker
What is the primary action of loop diuretics?
A. Reabsorb sodium in the distal tubule
✔✔B. Inhibit sodium and chloride reabsorption in the loop of Henle
C. Increase potassium reabsorption
D. Block calcium channels
Which drug class reduces platelet aggregation by inhibiting COX-1?
A. Statins
✔✔B. Non-selective NSAIDs (like aspirin)
1
,C. Beta-blockers
D. ACE inhibitors
Which medication is a selective serotonin reuptake inhibitor (SSRI)?
A. Amitriptyline
✔✔B. Fluoxetine
C. Diazepam
D. Haloperidol
What is the antidote for acetaminophen overdose?
A. Atropine
✔✔B. N-acetylcysteine
C. Naloxone
D. Vitamin K
Which class of drugs is primarily used to treat hypertension by blocking angiotensin II effects?
A. Calcium channel blockers
✔✔B. ACE inhibitors
2
,C. Beta-agonists
D. Loop diuretics
Which medication is commonly used as a proton pump inhibitor?
A. Ranitidine
B. Famotidine
✔✔C. Omeprazole
D. Cimetidine
What is the main action of beta-blockers on the heart?
A. Increase heart rate
✔✔B. Decrease heart rate and contractility
C. Vasoconstriction
D. Increase renin secretion
Which drug is used to reverse opioid overdose?
A. Flumazenil
✔✔B. Naloxone
3
, C. N-acetylcysteine
D. Atropine
Which class of drugs blocks sodium channels in cardiac cells?
A. Beta-blockers
✔✔B. Class I antiarrhythmics
C. ACE inhibitors
D. Calcium channel blockers
What is the primary use of metformin?
A. Lower cholesterol
✔✔B. Lower blood glucose in type 2 diabetes
C. Treat hypertension
D. Reduce inflammation
Which antibiotic inhibits bacterial cell wall synthesis?
A. Tetracycline
B. Macrolide
4
Questions and Answers | Latest
Version | 2025/2026 | Correct & Verified
Which type of drug blocks the action of histamine at H1 receptors?
A. Proton pump inhibitor
B. H2 receptor antagonist
✔✔C. H1 antihistamine
D. Beta-blocker
What is the primary action of loop diuretics?
A. Reabsorb sodium in the distal tubule
✔✔B. Inhibit sodium and chloride reabsorption in the loop of Henle
C. Increase potassium reabsorption
D. Block calcium channels
Which drug class reduces platelet aggregation by inhibiting COX-1?
A. Statins
✔✔B. Non-selective NSAIDs (like aspirin)
1
,C. Beta-blockers
D. ACE inhibitors
Which medication is a selective serotonin reuptake inhibitor (SSRI)?
A. Amitriptyline
✔✔B. Fluoxetine
C. Diazepam
D. Haloperidol
What is the antidote for acetaminophen overdose?
A. Atropine
✔✔B. N-acetylcysteine
C. Naloxone
D. Vitamin K
Which class of drugs is primarily used to treat hypertension by blocking angiotensin II effects?
A. Calcium channel blockers
✔✔B. ACE inhibitors
2
,C. Beta-agonists
D. Loop diuretics
Which medication is commonly used as a proton pump inhibitor?
A. Ranitidine
B. Famotidine
✔✔C. Omeprazole
D. Cimetidine
What is the main action of beta-blockers on the heart?
A. Increase heart rate
✔✔B. Decrease heart rate and contractility
C. Vasoconstriction
D. Increase renin secretion
Which drug is used to reverse opioid overdose?
A. Flumazenil
✔✔B. Naloxone
3
, C. N-acetylcysteine
D. Atropine
Which class of drugs blocks sodium channels in cardiac cells?
A. Beta-blockers
✔✔B. Class I antiarrhythmics
C. ACE inhibitors
D. Calcium channel blockers
What is the primary use of metformin?
A. Lower cholesterol
✔✔B. Lower blood glucose in type 2 diabetes
C. Treat hypertension
D. Reduce inflammation
Which antibiotic inhibits bacterial cell wall synthesis?
A. Tetracycline
B. Macrolide
4
