MEDICOLOGY: PHARMACOLOGY QUIZZES 29 | Multiple Choice Questions| Medical Exam Preparations

Sunday, January 30, 2022

PHARMACOLOGY QUIZZES 29 | Multiple Choice Questions| Medical Exam Preparations

01. Which of the following drug is penicillin?
A. Dicloxacillin
B. Amiodarone 
C. Amiloride
D. Spironolactone 
E. Cefadroxil 

Answer: A. Dicloxacillin

02. A drug that belongs to Cephalosporins is one of the following?
A. Niacin
B. Chlorthalidone
C. Ampicillin 
D. Mannitol
E. Cephalexin

Answer: E. Cephalexin

03. A drug that belongs to Carbapenems is one of the following?
A. Meropenem
B. Furosemide 
C. Cefazolin 
D. Torsemide
E. Cephalexin 

Answer: A. Meropenem

04. The antimuscarinic agent is following?
A. Pralidoxime
B. Darifenacin
C. Physostigmine
D. Tacrine
E. Neostigmine

Answer: B. Darifenacin

05. Which one of the following is an antimuscarinic agent?
A. Neostigmine
B. Echothiophate
C. Benztropine
D. Tacrine
E. Pralidoxime

Answer: C. Benztropine

06. Cefaclor belongs to the class of following drugs?
A. Antiviral 
B. Antipyretic 
C. Antiprotozoal
D. Antibiotics 
E. Anti-malaria 

Answer: D. Antibiotics

08. A decrease in peripheral resistance causes one of the following issues?
A. Low Blood pressure 
B. Fever 
C. Aids
D. Headache 


Answer: A. Low Blood pressure 

09. Tyrosine hydroxylase is needed for the hydroxylation of tyrosine into DOPA. DOPA is decarboxylated to dopamine. This Hydroxylation of tyrosine by tyrosine hydroxylase enzyme is inhibited by?
A. Metyrosine
B. Reserpine
C. Hemicholinium
D. Vesamicol
E. Guanethidine

Answer: A. Metyrosine

10. Inflammation causes one of the following issues?
A. High Blood pressure 
B. Fever 
C. Aids
D. Headache 

Answer: B. Fever  


11. Which one of the following drugs is a non-systemic ulcer protective drug?
A. Omeprazole
B. Sucralfate
C. Ranitidine
D. Metronidazole
E. Sodium Bicarbonate

Answer: B. Sucralfate


12. The hormone primarily responsible for the development of ovarian follicles prior to ovulation is?
a) Chorionic gonadotropin
b) Estradiol
c) Follicle-stimulating hormone
d) Leutinizing hormone
e) Progesterone


Answer: c) Follicle-stimulating hormone


13. Which drug is antagonistic at histamine, serotonin, and muscarinic receptors?
a. promethazine
b. terfenadine
c. cyproheptadine
d. hydroxyzine

Answer: c. cyproheptadine

14. A drug that prevents the returning of bile acid from enterohepatic circulation to the liver is following?
A. Fluvastatin
B. Fenofibrate
C. Lovastatin
D. Cholestyramine
E. Niacin 

Answer: D. Cholestyramine 

15. Which of the following drugs are used as bronchodilators in asthma or obstructive pulmonary disease?
A. Albuterol,
B. Terbutaline
C. Metaproterenol
D. A & B
E. All of the above 

Answer: E. All of the above 

16. A physical process by which a weak acid becomes less water-soluble and more lipid-soluble at low PH is?
A. Distribution 
B. Elimination 
C. First-pass effect 
D. Permeation 
E. Protonation


Answer: Protonation


17. Receptors that communicate their activation by activating an intracellular enzyme attached to the intracellular domain of the receptor are called?
A. Cytokine receptors 
B. G-protein linked receptors 
C. Ion channel linked receptors 
D. Intracellular receptors 
E. Tyrosine kinase receptors 


Answer: E. Tyrosine kinase receptors

18. Isoniazid Antidote is the following drug?
A. Pyridoxine
B. Sodium bicarbonate
C. Physostigmine
D. A & B
E. All of the above


Answer: D. A & B
Pyridoxine is used to reverse the Isoniazid-induced seizures while sodium carbonate to correct the acidosis.

19. Every 4 hours dose of Aspirin for adults should be administered as needed is following?
A. 160 mg
B. 400 to 480 mg
C. 325 to 650 mg
D. 650 to 1000 mg
E.  1600 mg

Answer: C. 325 to 650 mg

20. What is the antidote to acetaminophen?
A. Pyridostigmine
B. N acetylcysteine
C. Vitamin K
D. Deferoxamine


Answer: B. N acetylcysteine


21. Risk of Reye's syndrome is increased when given during viral infection?
A. Aspirin   
B. Acetylsalicylic acid  
C. Diflunisal  
D. A & B 
E. All of the above 

Answer: E. All of the above 
Because Salicylates increase Reye's syndrome that causes damage to the liver and brain so it must be avoided in children and teenagers with varicella (chickenpox) or influenza to prevent Reye's syndrome.

22. Thrombocytopenia and hyponatremia are the adverse effects of one of the following drugs?
A. Glyburide
B. Glipizide
C. Tolbutamide
D. Glimepiride 
E. A & B 

Answer: C. Tolbutamide
Because tolbutamide is the first-generation sulfonylurea and is associated with these adverse effects. that's why 1st generation sulfonylurea is not prescribed.


23. Which one of the following drugs causes gout attack?
A. Furosemide
B. Hydrochlorothiazide
C. Spironolactone
D. Triamterene

Answer: B. Hydrochlorothiazide
Because hydrochlorothiazide also inhibits the excretion of uric acid leading to accumulation of resulting in a gout attack.

24. Kernicterus is the adverse effect of one of the following antibacterial classes?
A. Fluoroquinolone
B. Trimethoprim
C. Sulfonamides
D. Cotrimoxazole


Answer: C. Sulfonamides

25. Indicate a beta1-selective receptor antagonist, which has a very long duration of action?
a) Betaxolol
b) Sotalol
c) Nadolol
d) Metoprolol

Answer: a) Betaxolol

26. Which one of the following hypertensive drugs precipitates a hypertensive crisis after abrupt cessation of therapy?
A. Clonidine
B. Diltiazem
C. Enalapril
D. Losartan


Answer: A. Clonidine

27. Intrinsic sympathomimetic activity is linked with which one of the following drugs?
A. Propranolol
B. Timolol
C. Nadolol
D. Atenolol
E. Pindolol

Answer: E. Pindolol

28. Which one of the following drugs is an effective drug against MRSA?
A. Ampicillin
B. Cefazolin
C. Vancomycin
D. Imipenem/cilastatin


Answer: C. Vancomycin

29. One of the following statements about the use of Nadolol & Timolol is wrong?
A. Non-selective Beta antagonist
B. Nadolol has a very long duration of action
C. Aqueous humor production is reduced by Timolol
D. Both drugs have intrinsic sympathomimetic activity
E. More potent than propranolol

Answer: D. Both drugs have intrinsic sympathomimetic activity

30. A neurotransmitter causes hyperpolarization by increasing the Cl– flux into the postsynaptic neuron is one of the following?
A. Substance P
B. Met-enkephalins
C. Glutamate
D. Glycine
E. Serotonin

Answer: D. Glycine


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