1. Which receptor is primarily stimulated by adrenaline in the heart?
A. α1 receptor
B. α2 receptor
C. β1 receptor
D. β2 receptor
Answer: C. β1 receptor
2. Atropine is classified as a:
A. Cholinergic agonist
B. Anticholinergic drug
C. Adrenergic blocker
D. Antihistamine
Answer: B. Anticholinergic drug
3. Which drug is used as an antidote in organophosphate poisoning?
A. Propranolol
B. Atropine
C. Diazepam
D. Digoxin
Answer: B. Atropine
4. Salbutamol acts mainly on:
A. α1 receptors
B. β1 receptors
C. β2 receptors
D. Muscarinic receptors
Answer: C. β2 receptors
5. Propranolol belongs to which class of drugs?
A. Beta blocker
B. ACE inhibitor
C. Calcium channel blocker
D. Diuretic
Answer: A. Beta blocker
6. Which diuretic is known as a loop diuretic?
A. Hydrochlorothiazide
B. Spironolactone
C. Furosemide
D. Mannitol
Answer: C. Furosemide
7. ACE inhibitors primarily inhibit the conversion of:
A. Renin to angiotensinogen
B. Angiotensin I to Angiotensin II
C. Angiotensin II to Angiotensin III
D. Aldosterone to renin
Answer: B. Angiotensin I to Angiotensin II
8. Which drug is commonly used in hypertension?
A. Enalapril
B. Aspirin
C. Paracetamol
D. Cetirizine
Answer: A. Enalapril
9. Aspirin acts by inhibiting:
A. Cyclooxygenase enzyme
B. Monoamine oxidase
C. Acetylcholinesterase
D. Carbonic anhydrase
Answer: A. Cyclooxygenase enzyme
10. Paracetamol is mainly used as:
A. Antihypertensive
B. Analgesic and antipyretic
C. Anticoagulant
D. Antidepressant
Answer: B. Analgesic and antipyretic
11. Which drug is a potent opioid analgesic?
A. Aspirin
B. Ibuprofen
C. Morphine
D. Diclofenac
Answer: C. Morphine
12. Diazepam belongs to which class?
A. Opioids
B. Benzodiazepines
C. Antipsychotics
D. Antidepressants
Answer: B. Benzodiazepines
13. Which drug is used in epilepsy?
A. Phenytoin
B. Atropine
C. Digoxin
D. Metformin
Answer: A. Phenytoin
14. Warfarin acts as:
A. Anticoagulant
B. Analgesic
C. Antacid
D. Antibiotic
Answer: A. Anticoagulant
15. Heparin is administered mainly by:
A. Oral route
B. Intravenous or subcutaneous route
C. Sublingual route
D. Inhalation route
Answer: B. Intravenous or subcutaneous route
16. Which drug is used in bronchial asthma?
A. Salbutamol
B. Digoxin
C. Aspirin
D. Omeprazole
Answer: A. Salbutamol
17. Omeprazole belongs to:
A. H2 blockers
B. Proton pump inhibitors
C. Antacids
D. Antihistamines
Answer: B. Proton pump inhibitors
18. Ranitidine is a:
A. H1 blocker
B. H2 blocker
C. Beta blocker
D. Alpha blocker
Answer: B. H2 blocker
19. Metformin is used in:
A. Hypertension
B. Diabetes mellitus
C. Asthma
D. Epilepsy
Answer: B. Diabetes mellitus
20. Insulin is indicated in:
A. Type 1 Diabetes Mellitus
B. Peptic ulcer
C. Hypertension
D. Asthma
Answer: A. Type 1 Diabetes Mellitus
21. Which antibiotic belongs to penicillin group?
A. Ciprofloxacin
B. Amoxicillin
C. Azithromycin
D. Doxycycline
Answer: B. Amoxicillin
22. Gentamicin belongs to:
A. Aminoglycosides
B. Macrolides
C. Tetracyclines
D. Sulfonamides
Answer: A. Aminoglycosides
23. Ciprofloxacin is a:
A. Macrolide
B. Fluoroquinolone
C. Penicillin
D. Cephalosporin
Answer: B. Fluoroquinolone
24. Which drug is used in tuberculosis?
A. Rifampicin
B. Aspirin
C. Cetirizine
D. Diazepam
Answer: A. Rifampicin
25. Isoniazid may cause deficiency of:
A. Vitamin A
B. Vitamin B6
C. Vitamin C
D. Vitamin D
Answer: B. Vitamin B6
26. Cetirizine is classified as:
A. Antihistamine
B. Antidepressant
C. Anticoagulant
D. Diuretic
Answer: A. Antihistamine
27. Digoxin is mainly used in:
A. Heart failure
B. Asthma
C. Epilepsy
D. Diabetes
Answer: A. Heart failure
28. Which drug is known as a potassium-sparing diuretic?
A. Furosemide
B. Hydrochlorothiazide
C. Mannitol
D. Spironolactone
Answer: D. Spironolactone
29. Naloxone is used as an antidote for:
A. Benzodiazepine overdose
B. Opioid overdose
C. Aspirin poisoning
D. Digoxin toxicity
Answer: B. Opioid overdose
30. The therapeutic index of a drug indicates:
A. Drug potency only
B. Drug safety margin
C. Drug absorption rate
D. Drug metabolism rate
Answer: B. Drug safety margin