PHARMACOLOGY QUIZZES 16 | 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. Dipyridamole 
E. Enoxaparin

Answer: D. Dipyridamole 

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

Answer: D. Fondaparinus

03. A drug that is used to treat Cutaneous mycoses is one of the following?
A. Cladribine
B. Naftifine
C. Flucytosine
D. Etidronate
E. Itraconazole

Answer: B. Naftifine

04. A drug that is used to treat Cutaneous mycoses is one of the following?
A. Cladribine
B. Nystatin
C. Flucytosine
D. Etidronate
E. Itraconazole

Answer: B. Nystatin

05. Which one of the following drugs is a monobactam drug?
A. Imipenem
B. Cilastatin
C. Aztreonam
D. Cefaclor


Answer:  C. Aztreonam

06. Which one of the following drugs is a carbapenem drug?
A. Cilastatin
B. Aztreonam
C. Imipenem
D. Cefaclor

Answer: C. Imipenem

(High dose of Beta lactams especially imipenem causes seizures)

07. Which one of the following drugs is not an analog of purine and pyrimidine?
A. Acyclovir 
B. Fomivirsen
C. Cidofovir
D. Gencyclovir
E. Penciclovir

Answer: B. Fomivirsen

08. Which one of the following drugs is used for the treatment of asthma?
A. Ipratropium
B. Atropine
C. Tropicamide
D. Cyclopentolate
E. Physostigmine

Answer:  A. Ipratropium

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

Answer: A. Antiviral

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

Answer: D. Antibiotics

11. Following  is characterized by airflow limitation that is not fully reversible with bronchodilator treatment?
A. pulmonary fibrosis
B. COPD
C. asthma
D. respiratory edema 

Answer: B. COPD

12. Hypertrichosis is the adverse effect of one of the following drugs?
A. Hydralazine
B. Alpha-methyldopa
C. Minoxidil
D. Clonidine

Answer: C. Minoxidil

The growth of body hair is called hypertrichosis caused by the treatment of minoxidil. Nowadays, it's used topically to treat male pattern baldness. 

13. Which one of the following drugs is a Nondepolarizing neuromuscular blocking drug with quality of rapid recovery from blockage, interacts with the Nicotinic receptors to prevent the binding of Acetylcholine?
A. Cisatracurium
B. Succinylcholine
C. Mivacurium
D. Doxacurium
E. Tubocurarine

Answer: C. Mivacurium

14. Which one of the following statements about COX-2 inhibitors is wrong?
A. Decrease platelets function
B. Causes renal vasoconstriction
C. Increase risk of myocardial infarction
D. Have anti-inflammatory activity 


Answer: A. Decrease platelets function

15. Which one of the following drugs inhibits the mRNA synthesis by suppressing the initiation step?
A. Rifampin 
B. Pyrazinamide
C. Ethambutol 
D. Isoniazid

Answer: A. Rifampin

16. One of the following statements about the catecholamines is wrong?
A. Longer duration of action
B. Rapid duration of action
C. Not administered orally
D. Do not penetrate the blood-brain barrier
E. Isoproterenol is a synthetic catecholamine

Answer: A. Longer duration of action

17. When an action potential arrives at the nerve junction, it activates an influx of calcium ions into the cytoplasm of the neuron causing the vesicle to expel neurotransmitters into the synapse. This release of vesicle content is blocked by?
A. Reserpine
B. Guanethidine
C. Aspirin 
D. Imipramine

Answer: B. Guanethidine

18. Where are Muscarinic 3 receptors found? 
A. GIT
B. Myocardium
C. Neuromuscular junction
D. Bladder 

Answer: D. Bladder 

19. M1 receptors are found on?
A. Cardiac cells 
B. Bladder 
C. Gastric parietal cells 
D. Exocrine glands 

Answer: C. Gastric parietal cells 

20. Which vitamin deficiency causes  Paresthesia?
A. Vitamin B12
B. Vitamin C
C. Vitamin B3
D. Vitamin B5
E. both A & D

Answer:  E. both A & D

21. When a high dose of the following drug is used it causes lupus-like syndrome?
A. Minoxidil
B. Clonidine
C. Hydralazine
D. Labetalol


Answer: C. Hydralazine

22. Which of the following has the longest half-life?
A. Esmolol 
B. Metoprolol 
C. Timolol
D. Nadolol
E. Pindolol

Answer: D. Nadolol

23. The following drugs are Selective H2 Agonists Except?
A. Impromidine
B. Impromidine
C. Betahistine
D. Dimaprit
E. 4-methylHistamine

Answer: C.  Betahistine

24. Side effects of metoprolol are one of the following?
A. Dry cough 
B. First dose hypotension 
C. Decrease exercise tolerance 
D. Bleeding 
E. Constipation 

Answer: C. Decrease exercise tolerance 


25. Bradycardia, hypotension, sedation, and dry mouth are associated with the following drugs upon systemic administration?
A. Phenylephrine 
B. Clonidine 
C. Imidazoline 
D. Dobutamine
E. None of these 

Answer: B. Clonidine 


26. Which vitamin deficiency causes Pellagra?
A. Vitamin A
B. Vitamin B12
C. Vitamin C
D. Vitamin B3
E. Vitamin B5

Answer: D. Vitamin B3

27. Inflammation of the rectum is called?

A. Pancolitis 
B. Proctosigmoiditis 
C. Proctitis
D. Crohn's colitis


Answer: C. Proctitis

28.  Acarbose belongs to one of the following classes of Oral hypoglycemic agents?
A. Alpha-Glucosidase inhibitor
B. DPP-IV
C. Thiazolidinediones
D. Biguanide


Answer: A. Alpha-Glucosidase inhibitor 


29. Which one of the following drugs delays the digestion of carbohydrates leading to a decrease in postprandial glucose levels?
A. Sitagliptin
B. Pioglitazone 
C. Acarbose
D. Sitagliptin


Answer: C. Acarbose

30. A non-depolarizing agent having a rapid onset of action as compared to others used for tracheal intubation of gastric contents in patients is following?

A. Rocuronium
B. Succinylcholine
C. Pancuronium
D. Metocurine
E. Trimethaphan

Answer: A. Rocuronium

31. A drug causes Blockage of the M2 protein ion channel and its ability to modulate intracellular PH?
A. Rimantadine 
B. Vidarabine 
C. Zanamivir 
D. Acyclovir 
E. Lamivudine 

Answer: A. Rimantadine

32. The drug involved in the inhibition of the amine transporter system that transports dopamine into the synaptic vesicle is the following?
A. Guanethidine
B. Bretylium
C. Reserpine
D. Imipramine

Answer: C. Reserpine

33. Which one of the following drugs undergoes cleavage by a dehydropeptidase enzyme?
A. Cilastatin
B. Meropenem
C. Imipenem
D. Vancomycin


Answer: C. Imipenem