PHARMACOLOGY QUIZZES 25 | Multiple Choice Questions| Medical Exam Preparations

01. Which of the following drug is an HMG COA REDUCTASE INHIBITORS (STATINS)?
A. Niacin
B. Pitavastatin
C. Fenofibrate
D. Ezetimibe
E. Colestipol

Answer: B. Pitavastatin

02. A drug that belongs to BILE ACID SEQUESTRANTS is one of the following?
A. Niacin
B. Fluvastatin
C. Fenofibrate
D. Ezetimibe
E. Colesevelam 

Answer: E. Colesevelam

03. A drug that belongs to CLASS II?
A. Propafenone (IC)
B. Metoprolol
C. Amiodarone
D. Verapamil

Answer: B. Metoprolol

04. A drug that belongs to CLASS II?
A. Quinidine (IA)
B. Propranolol
C. Amiodarone
D. Verapamil

Answer: B. Propranolol

05. Which of the following drugs is used for hepatic viral infections?
A. Ibandronate
B. Oseltamivir  
C. Capecitabine
D. Adefovir
E. Naftifine

Answer: D. Adefovir    

06. A drug that is used to treat leprosy is one of the following?
A. Dapsone 
B. Clofazimine
C. Magnesium hydroxide  
D. Etidronate
E. A & B

Answer: E. A & B

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

Answer: A. Ibandronate

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

Answer: D. Etidronate

09. CLASS I drugs of the Antiarrhythmic drugs interfere with one of the following options?

A. Beta adrenoceptors Blockers
B. K+ channel blockers
C. Ca+ channel blockers
D. Na+ channel blockers

Answer: D. Na+ channel blockers

10. A patient with bronchial asthma is administered a neuromuscular blocker just before surgery. However soon after the anesthetist notices the patient is in severe respiratory distress and lifesaving drugs and supportive measures are given immediately. Which neuromuscular blocker is MOST likely to cause such a severe reaction? 
a) Cisatracurium
b) Rocuronium
c) Succinylcholine
d) Tubocurarine
e) Vecuronium

Answer: d) Tubocurarine

11. Which one of the following drugs is an inhibitor of folate reduction?
A. Trimethoprim
B. Pyrimethamine
C. Methenamine
D. A & B 
E. All of the above


Answer: D. A & B 

13. Which of the following drug has a high affinity for ACE along with the incidence of skin rash and dysgeusia?
A. Lisinopril
B. Enalapril
C. Ramipril
D. Quinapril
E. Captopril


Answer: 5. Captopril

14. A premature infant is born with a patent ductus arteriosus. Its closure can be stimulated by administration of:
a) Alprostadil
b) Estrogen
c) Anti-estrogen compounds
d) Prostaglandin inhibitors
e) Aspirin


Answer: e) Aspirin

15. Which one of the following drugs is injected subcutaneously or intramuscularly three times weekly to treat Hepatitis B?
A. Interferon-alpha-2a
B. Interferon alpha-2b
C. Peginterferon-alpha-2a
D. A & B
E. All of these 

Answer: B. Interferon-alpha-2b

16. Which one of the following statements about dobutamine is incorrect?
A. Negative inotropic effect   
B. 𝛃1 receptor stimulator 
C. Treat acute heart failure 
D. Increase myocardial cAMP 
E. Increase contractility 

Answer: A. Negative inotropic effect 

17. Which one of the following drugs is effective only for the influenza A virus?
A. Zanamivir 
B. Amantadine
C. Oseltamivir
D. A & B
E. None of these 

Answer: B. Amantadine

18. A rare disorder that causes difficulty for food and liquid to pass into the stomach is called?

A. Acid reflux
B. Achalasia
C. GERD 
D. Albinism

Answer: B. Achalasia
Achalasia is a rare disorder that makes it difficult for food and liquid to pass into your stomach.

19. Maximum daily dose of Naproxen for no longer than 10 days for pain is following?
A. 660 mg
B. 1200 mg
C. 2000 mg
D. 4000 mg
E. 6000 mg

Answer: A. 660mg

20. Which one of the following statements about the use of Angiotensin II-receptor blockers is wrong?
A. Block AT1 receptor
B. Produce arterial dilation
C. Block aldosterone secretion
D. Increase bradykinin level


Answer: D. Increase bradykinin level
ARBs do not increase bradykinin levels. only ACE inhibitors Increase bradykinin level leading to dry cough as an adverse effect.


21. A drug that interferes with uric acid synthesis is one of the following?
A. Probenecid
B. Sulfinpyrazone
C. Colchicine
D. Allopurinol


Answer: D. Allopurinol

22. A drug that elevates bronchial smooth muscle cAMP leads to decreased intracellular calcium and prompt bronchodilation.
A. Epinephrine 
B. Clonidine 
C. Phenylephrine
D. Metaproterenol
E. Dipivefrin 

Answer: D. Metaproterenol  
Metaproterenol is a selective beta2 adrenergic agonist.

23. Antidotal therapy with N-acetyl-cysteine is indicated for patients with toxic levels of one of the following drugs?
A. Ethylene glycol
B. Atropine
C. Paracetamol
D. Clopidogrel


Answer: C. Paracetamol

24. Which one of the following insulin absorption sites is fastest?
A. Thigh 
B. Buttocks
C. Abdomen
D. Arm 

Answer: C. Abdomen

25. Which of the following statements about the functions of neurotransmitters on postsynaptic neurons is wrong?
A. GABA is an inhibitory neurotransmitter
B. Glycine increase influx of Na+
C. Glutamate Increase Cl– flux
D. Serotonin has both excitatory and inhibitory effect
E. Both B & C

Answer: E. Both B & C

27. Which one of the following statements about the functions of Levodopa is wrong?
A. Levodopa should be taken soon before eating something
B. Has a very short half-life (1 to 2 hours)
C. Restore dopaminergic transmission
D. it may cause Hypotension
E. Both B & D

Answer: A. Levodopa should be taken soon before eating something

28. A neuropeptide neurotransmitter that mediates pain (Nociception) within the spinal cord is one of the following?
A. Substance P
B. Met-enkephalins
C. Glutamate
D. GABA
E. Serotonin

Answer: A. Substance P

29. A drug that has strong anti-inflammatory and analgesic effects but no antipyretic activity?
A. Aspirin 
B. Diflunisal 
C. Acetaminophen 
D. Tolmetin 
E. None of these 

Answer: B. Diflunisal 

30. Which of the following is the role of Angiotensin-Converting Enzyme?

A. Conversion of Levodopa to Dopamine
B. Activation of the vasoactive peptide bradykinin
C. Conversion of Angiotensin 1 to Engiotensin 2
D. Increase activity of Pacemaker cells
E. Decrease Heart rate by inhibiting Renin secretion

Answer: 3. Conversion of Angiotensin 1 to Engiotensin 2

31. Cyclic pattern of apnea and varied breathing?

A. Hyperpnea

B. Kussmaul breathing 

C. Ataxic respiration 

D. Cheyne-stroke respiration 

Answer: D. Cheyne-stroke respiration 

Hyperpnea: rapid breathing, hyperventilation 

Kussmaul breathing: regular breathing with rate slow, normal or fast

Ataxic respiration: unpredictably irregular breathing 

12. Which of the following is also the role of Angiotensin-Converting Enzyme?

A. Conversion of Levodopa to Dopamine

B. Inactivation of the vasoactive peptide bradykinin

C. Increase immunity in Lungs

D. Increase activity of Pacemaker cells

E. Decrease Heart rate by inhibiting Renin secretion

Answer:  B. Inactivation of the vasoactive peptide bradykinin