Thursday 29 October 2015

Cardiovascular Drugs Objective Type Questions And Answers

11. A drug lacking vasodilator properties that is useful in angina is
(a) Isosorbide dinitrate
(b) Metoprolol
(c) NIfedipine
(d) Nitroglycerin
(e) Verapamil
Ans: B

12. Aldosterone release is stimulated by
(a) Angiotensin I
(b) Angiotensin
(c) Angiotensin III
(d) Both (b) and (c)
Ans: D

13. Which one of the following drugs is used in the treatment of male impotence and activates prostaglandin E1 receptors?
(a) Alprostadil
(b) Fluoxetine
(c) Mifepristone
(d) Sildenafil
(e) Zafirlukast
Ans: A

14. A treatment of angina that consistently decreases the heart rate and can prevent vasospastic angina attacks is
(a) Isosorbide dinitrate
(b) NIFedipine
(c) Nitroglycerin
(d) Propranolol
(e) Verapamil
Ans: E

15. In a patient receiving digoxin for congestive heart failure, condition that may facilitate the appearance of toxicity include
(a) Hyperkalemia
(b) Hypernatremia
(c) Hypocalcemia
(d) Hypomagnesemia
(e) All of the above
Ans: D

16. Activation of endothelin receptor ETA, leads to
(a) Vasoconstriction
(b) Bronchoconstriction
(c) Aldosterone release
(d) All of the above
Ans: D

17. Methylxanthine drugs such as aminophylline cause which one of the following?
(a) Vasoconstriction in many vascular beds
(b) Decrease in the amount of cAMP in mast cells
(c) Bronchodilation
(d) Activation of the enzyme phosphodiesterase
(e) Sedation
Ans: C

18. Drugs used in asthma that often cause tachycardia and tremor include
(a) Beclomethasone
(b) Cromolyn sodium
(c) Ipratropium
(d) Metaproterenol
(e) All of the above
Ans: D

19. Following potassium sparing diuretic inhibits action of aldosterone
(a) Amiloride
(b) Triamterene
(c) Spironolactone
(d) All of the above
Ans: C

20. In patients with chronic granulomatous disease which of the following agents increases the synthesis of tumor necrosis factor, leading to activation of phagocytosis?
(a) Aldesleukin
(b) Cyclosporine
(c) Filgrastim
(d) Infliximab
(e) Interferon gamma
Ans: E


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