11. Which of the following best describes the mechanism of action of scopolamine ?
(a) Irreversible antagonist at nicotinic receptors
(b) Irreversible antagonist at muscarinic receptors
(c) Physiologic antagonist at muscarinic receptors
(d) Reversible antagonist at muscarinic receptors
(e) Reversible antagonist at nicotinic receptors
Ans: D
12. Accepted therapeutic indications for the use of antimuscarinic drugs include all of the following except
(a) Hypertension
(b) Motion sickness
(c) Parkinson’s disease
(d) Postoperative bladder spasm
(e) Traveler’s diarrhea
Ans: A
13. In male sex organs _______ system is responsible for erection.
(a) Sympathetic
(b) Parasympathetic
(c) Norepinephrine
(d) None of the above
Ans: B
14. A 7-years-old boy has a significant bedwetting problem. A long-acting indirect sympathomimetic agent sometimes used by the oral route for this and other
indications is
(a) Dobutamine
(b) Ephedrine
(c) Epinephrine
(d) Isoproterenol
(e) Phenylephrine
Ans: B
15. When pupillary dilation-but not cycloplegia-is desired, a good choice is
(a) Homatropine
(b) Isoproterenol
(c) Phenylephrine
(d) Pilocarpine
(e) Tropicamide
Ans: C
16. ‘Fight or flight’ state can be described as
(a) Sympathetic active; para-sympathetic quiescent
(b) Sympathetic active; para-sympathetic active
(c) Sympathetic quiescent; para-sympathetic active
Ans: A
17. Your patient is to receive a selective ß2 stimulant drug ß2 selective stimulant are often effective in
(a) Angina due to coronary insufficiency
(b) Asthma
(c) Chronic heart failure
(d) Delayed or insufficiently strong labor
(e) All of the above
Ans: B
18. Which of the following drugs is the drug of choice in anaphylaxis associated with bronchospasm and hypotension ?
(a) Cortisone
(b) Epinephrine
(c) Isoproterenol
(d) Norepinephrine
(e) Phenylephrine
Ans: B
19. Which of the following effects of epinephrine would be blocked by phentolamine but not by metoprolol ?
(a) Cardiac stimulation
(b) Contractionof radial smooth muscle in the iris
(c) Increase of camp in fat
(d) Relaxation of bronchial smooth muscle
(e) Relaxation of the uterus
Ans: B
20. Propranolol is useful in all of the following except
(a) Angina
(b) Familial tremor
(c) Hypertension
(d) Idiopathic hypertrophic subaortic cardiomyopathy
(e) Partial atrioverntricular heart block
Ans: E
(a) Irreversible antagonist at nicotinic receptors
(b) Irreversible antagonist at muscarinic receptors
(c) Physiologic antagonist at muscarinic receptors
(d) Reversible antagonist at muscarinic receptors
(e) Reversible antagonist at nicotinic receptors
Ans: D
12. Accepted therapeutic indications for the use of antimuscarinic drugs include all of the following except
(a) Hypertension
(b) Motion sickness
(c) Parkinson’s disease
(d) Postoperative bladder spasm
(e) Traveler’s diarrhea
Ans: A
13. In male sex organs _______ system is responsible for erection.
(a) Sympathetic
(b) Parasympathetic
(c) Norepinephrine
(d) None of the above
Ans: B
14. A 7-years-old boy has a significant bedwetting problem. A long-acting indirect sympathomimetic agent sometimes used by the oral route for this and other
indications is
(a) Dobutamine
(b) Ephedrine
(c) Epinephrine
(d) Isoproterenol
(e) Phenylephrine
Ans: B
15. When pupillary dilation-but not cycloplegia-is desired, a good choice is
(a) Homatropine
(b) Isoproterenol
(c) Phenylephrine
(d) Pilocarpine
(e) Tropicamide
Ans: C
16. ‘Fight or flight’ state can be described as
(a) Sympathetic active; para-sympathetic quiescent
(b) Sympathetic active; para-sympathetic active
(c) Sympathetic quiescent; para-sympathetic active
Ans: A
17. Your patient is to receive a selective ß2 stimulant drug ß2 selective stimulant are often effective in
(a) Angina due to coronary insufficiency
(b) Asthma
(c) Chronic heart failure
(d) Delayed or insufficiently strong labor
(e) All of the above
Ans: B
18. Which of the following drugs is the drug of choice in anaphylaxis associated with bronchospasm and hypotension ?
(a) Cortisone
(b) Epinephrine
(c) Isoproterenol
(d) Norepinephrine
(e) Phenylephrine
Ans: B
19. Which of the following effects of epinephrine would be blocked by phentolamine but not by metoprolol ?
(a) Cardiac stimulation
(b) Contractionof radial smooth muscle in the iris
(c) Increase of camp in fat
(d) Relaxation of bronchial smooth muscle
(e) Relaxation of the uterus
Ans: B
20. Propranolol is useful in all of the following except
(a) Angina
(b) Familial tremor
(c) Hypertension
(d) Idiopathic hypertrophic subaortic cardiomyopathy
(e) Partial atrioverntricular heart block
Ans: E
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