PHARMACOLOGY QUIZZES 15 | Multiple Choice Questions| Medical Exam Preparations

01. Which one of the following drugs belongs to Platelet inhibitors?
A. Warfarin 
B. Folic acid 
C. Hydroxyurea
D. Clopidogrel 
E. Enoxaparin

Answer: D. Clopidogrel 

02. Which one of the following drugs is an anticoagulant?
A. Protamine sulfate
B. Streptokinase
C. Cyanocobalamin
D. Enoxaparin
E. Vitamin K

Answer: D. Enoxaparin

03. Which one of the following drugs belongs to the alkylating agent?
A. Gemcitabine
B. Capreomycin
C. Lamivudine 
D. Cyclophosphamide 
E. Indanyl carbenicillin 

Answer: D. Cyclophosphamide  

04. Which of the following drugs is used for respiratory virus infections?
A. Ibandronate
B. Zanamivir 
C. Capecitabine
D. Miconazole
E. Naftifine

Answer: B. Zanamivir

05. A drug that is used to treat Cutaneous mycoses is one of the following?

A. Clofazimine
B. Griseofulvin  
C. Magnesium hydroxide  
D. Etidronate
E. A & B

Answer: B. Griseofulvin 

06. Which one of the following drugs belongs to drugs for obesity?
A. Aluminium hydroxide 
B. Diethylpropion
C. Nizatidine 
D. Ezetimibe
E. Indanyl carbenicillin 

Answer: B. Diethylpropion

07. Voriconazole belongs to the class of following drugs?
A. Antiviral 
B. Antipyretic 
C. Antiprotozoal
D. Antifungal  
E. Anti-malaria 

Answer: D. Antifungal

08. Which of the following drug is a part of drugs for osteoporosis?
A. Raloxifene
B. Rabeprazole
C. Acetazolamide 
D. Furosemide 
E. A & B

Answer: A. Raloxifene

09. Terconazole belongs to the class of following drugs?
A. Antiviral 
B. Antipyretic 
C. Antiprotozoal
D. Antibiotics 
E. Antifungal  

Answer: E. Antifungal

10. A drug that acts as the bone remodeling is one of the following?
A. Bumetanide
B. Furosemide 
C. Magnesium hydroxide  
D. Pamidronate
E. A & B

Answer: D. Pamidronate

13. A 75-year-old male is taking digoxin for the last few years. The adverse effect of this drug, that his physician will least think of is:
a. Bigeminy
b. Hypokalemia
c. Nausea and vomiting
d. Premature ventricular beats
e. Visual disturbances 


Answer: b. Hypokalemia

15. Which of the following non-steroidal anti-inflammatory drug irreversibly blocks Cyclo-0xygenase-I & II.
a. Aspirin
b. Diclofenac
c. Diflunisal 
d. Ibuprofen
e. Naproxen


Answer: a. Aspirin

16. A drug that produces first dose hypertension by blocking Alpha-1 receptors?
A. Verapamil 
B. Prazosin
C. Nifedipine 
D. Atenolol 
E. Hydrochlorothiazide

Answer: B. Prazosin

17. Rebound congestion is the adverse effect of the following drug?
A. Clonidine 
B. Imidazoline
C. Epinephrine 
D. Dobutamine
E. Hydralazine

Answer: B. Imidazoline

18. Dinoproston also called?
A. PGI2
B. PGE2
C. PGF2
D. PGE1

Answer: B. PGE2


19. Half-life of Nadolol is following?
A. 10 minutes 
B. 3-4 hours 
C. 4-6 hours 
D. 7-10 hours 
E. 14- 24 hours 


Answer: E. 14- 24 hours 

20. Which one of the following drugs inhibits the dipeptidyl peptidase-IV enzyme?
A. Pioglitazone
B. Sitagliptin
C. Acarbose
D. Metformin


Answer: B. Sitagliptin


21. The concentration of serum albumin is substantially decreased in the bloodstream what happens to the drug?
A. Free drug conc. increased 
B. Free drug conc. decreased 
C. Drugs ionized freely 
D. Drug bind with capillaries 
E. Absorption slowed 


Answer: A. Free drug conc. increased

22. Esmolol has a half-life of following?
A. 10 minutes 
B. 3-4 hours 
C. 4-6 hours 
D. 7-10 hours 
E. 14- 24 hours


Answer: A. 10 minutes 

23. Which one of the following classes inhibits the synthesis of prostaglandin resulting in a reduction of bicarbonate and mucus secretion leading to mucosal damage?
A. Proton pump inhibitor
B. NSAIDs 
C. H² antagonist
D. A & B 
E. B & C 

Answer: B. NSAIDs

24. Every 4 hours dose of Aspirin for children of 2-4 years is following?

A. 160 mg
B. 400 to 480 mg
C. 325 to 650 mg
D. 650 to 1000 mg
E.  1600 mg

Answer: A. 160 mg

25. Which one of the following drugs reduces 70% gastric acid secretion at a daily total dose of 300mg?
A. Cimetidine
B. Ranitidine
C. Famotidine
D. Nizatidine


Answer: B. Ranitidine

26. Which of the following Direct acting cholinergic drug is a naturally occurring alkaloid?
A. Carbachol
B. Bethanechol 
C. Acetylcholine
D. Pilocarpine
E. Neostigmine

Answer: D. Pilocarpine

27. Which vitamin deficiency leads to night blindness?
A. Vitamin B3 (Niacin)
B. Vitamin C (Ascorbic Acid)
C. Vitamin D (Cholecalciferol)
D. Vitamin A (Retinol)
E. Vitamin B6 (pyridoxine)

Answer: D. Vitamin A (Retinol)

Vit. A has a role in vision care. High doses cause diplopia, vertigo, headache, also teratogenic effects.

28. Which one of the following statements about the use of colchicine is incorrect?
A. Inhibit mobility of agranulocytes
B. Block cell division by binding to mitotic spindles
C. Inhibit synthesis & release of leukotrienes
D. It's a analgesic & uricosuric agent

Answer:. D. It's an analgesic & uricosuric agent

29. Scurvy and gum swelling is caused by deficiency of one of the following vitamins?
A. Vitamin B3
B. Vitamin A
C. Vitamin E
D. Vitamin C
E. Vitamin B12

Answer: D. Vitamin C (Vit. C use to produce collagen, an important component in connective tissue's. It's deficiency causes these symptoms)

• Has antioxidant properties. 
•      Toxicity: 01. high doses predispose patients to kidney stones (nephrolithiasis) 
•        02. Hemolysis in patients with glucose-6-Phosphate dehydrogenase deficiency.

11. Succinylcholine is a depolarizing neuromuscular blocking drug, rapidly destroyed by Acetylcholinesterase. This drug causes prolonged apnea in patients because of one of the following reasons?
A. Deficiency of plasma cholinesterase
B. Deficiency of Monoamine oxidases
C. Due to rapid hydrolysis of cholinesterase
D. when adjunct with halothane
E. Due to blocking the Ca²+ release

Answer: A. Deficiency of plasma cholinesterase

12. Which one of the following drugs with rapid onset of action is Aminosteroid Compound?
A. Rocuronium
B. Succinylcholine
C. Dantrolene
D. Tubocurarine
E. Trimethaphan

Answer: A. Rocuronium

14. A chain smoker suffering from chronic gastritis recently diagnosed osteoarthritis which of the following NSAIDs would be safest in this patient.
a. Aspirin
b. Celecoxib
c. Diclofenac
d. Indomethacin
e. Piroxicam


Answer: B. Celecoxib