91. While undergoing a surgical procedure a patient develops hypotension. Which of the following drugs can be injected intramuscularly to raise his BP
(a) Noradrenaline
(b) Isoprenaline
(c) Mephentermine
(d) Isoxsuprine
Ans: C
92. Vasoconstrictors should not be used in
(a) Neurogenic shock
(b) Haemorrhagic shock
(c) Secondary shock
(d) Hypotension due to spinal anaesthesia
Ans: C
93. Guanethidine inhibits
(a) Synthesis of transmitter
(b) Metabolism of transmitter
(c) Release of transmitter
(d) Displacement of transmitter from axonal terminal
Ans: C
94. The drug which produces vasoconstriction despite being an a adrenergic blocker is
(a) Phenoxybenzamine
(b) Ergotamine
(c) Dihydroergotoxine
(d) Tolazoline
Ans: B
95. Prazosin is an effective antihypertensive while nonselective a adrenergic blockers are not because
(a) It is the only orally active a blocker
(b) It improves plasma lipid profile
(c) It does not concurrently enhance noradrenaline release
(d) It improves urine flow in males with prostatic hypertrophy
Ans: C
96. Which of the following is true of sildenafil
(a) It enhances sexul enjoyment in normal men
(b) It delays ejaculation
(c) It is indicated only for treatment of erectile dysfunction in men
(d) It blocks cavernosal a2 adrenoceptors
Ans: C
97. The ß-adrenergic blocker which possesses both ß1 selectivity as well as intrinsic sympathomimetic activity is
(a) Alprenolol
(b) Atenolol
(c) Acebutolol
(d) Metoprolol
Ans: C
98. Propanolol can be used to allay anxiety associated with
(a) Chronic neurotic disorer
(b) Schizopherenia
(c) Short-term stressful situation
(d) Endogenous depression
Ans: C
99. Propranolol does not block the following action of adrenaline
(a) Bronchodilation
(b) Lipolysis
(c) Muscle tremor
(d) Mydriasis
Ans: D
100. Phenylephrine
(a) Mimics the transmitter at post-synaptic receptors
(b) Displaces transmitter from axonal terminal
(c) Inhibits synthesis of transmitter
(d) None of the above
Ans: A
(a) Noradrenaline
(b) Isoprenaline
(c) Mephentermine
(d) Isoxsuprine
Ans: C
92. Vasoconstrictors should not be used in
(a) Neurogenic shock
(b) Haemorrhagic shock
(c) Secondary shock
(d) Hypotension due to spinal anaesthesia
Ans: C
93. Guanethidine inhibits
(a) Synthesis of transmitter
(b) Metabolism of transmitter
(c) Release of transmitter
(d) Displacement of transmitter from axonal terminal
Ans: C
94. The drug which produces vasoconstriction despite being an a adrenergic blocker is
(a) Phenoxybenzamine
(b) Ergotamine
(c) Dihydroergotoxine
(d) Tolazoline
Ans: B
95. Prazosin is an effective antihypertensive while nonselective a adrenergic blockers are not because
(a) It is the only orally active a blocker
(b) It improves plasma lipid profile
(c) It does not concurrently enhance noradrenaline release
(d) It improves urine flow in males with prostatic hypertrophy
Ans: C
96. Which of the following is true of sildenafil
(a) It enhances sexul enjoyment in normal men
(b) It delays ejaculation
(c) It is indicated only for treatment of erectile dysfunction in men
(d) It blocks cavernosal a2 adrenoceptors
Ans: C
97. The ß-adrenergic blocker which possesses both ß1 selectivity as well as intrinsic sympathomimetic activity is
(a) Alprenolol
(b) Atenolol
(c) Acebutolol
(d) Metoprolol
Ans: C
98. Propanolol can be used to allay anxiety associated with
(a) Chronic neurotic disorer
(b) Schizopherenia
(c) Short-term stressful situation
(d) Endogenous depression
Ans: C
99. Propranolol does not block the following action of adrenaline
(a) Bronchodilation
(b) Lipolysis
(c) Muscle tremor
(d) Mydriasis
Ans: D
100. Phenylephrine
(a) Mimics the transmitter at post-synaptic receptors
(b) Displaces transmitter from axonal terminal
(c) Inhibits synthesis of transmitter
(d) None of the above
Ans: A
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