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Old 04-14-2013
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Drug Difficult Pharmacology Q?

A 69-year-old man with benign prostatic hyperplasia develops urinary retention 1 day after undergoing removal of a melanoma. After catheterization, a drug is
administered that increases phosphoinositide turnover in the smooth muscle cells of the bladder fundus but has no effect on nicotinic synapses. This drug is most likely
which of the following?

A) Atropine
B) Bethanechol
C) Neostigmine
D) Succinylcholine
E) Trimethaphan
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Old 04-14-2013
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Bethanechol
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Old 04-14-2013
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Quote:
Originally Posted by Evergreen View Post
A 69-year-old man with benign prostatic hyperplasia develops urinary retention 1 day after undergoing removal of a melanoma. After catheterization, a drug is
administered that increases phosphoinositide turnover in the smooth muscle cells of the bladder fundus but has no effect on nicotinic synapses. This drug is most likely
which of the following?

A) Atropine
B) Bethanechol
C) Neostigmine
D) Succinylcholine
E) Trimethaphan

Its Benthanechol.
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Old 04-14-2013
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Its B ... call bethany from FA
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Old 04-14-2013
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My answer is Bethanechol
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Old 04-15-2013
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A 69-year-old man with benign prostatic hyperplasia develops urinary retention 1 day after undergoing removal of a melanoma (postoperative urinary retention ). After catheterization, a drug is
administered that increases phosphoinositide turnover in the smooth muscle cells of the bladder fundus but has no effect on nicotinic synapses. This drug is most likely
which of the following?


B) Bethanechol
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Old 04-15-2013
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Quote:
Originally Posted by Evergreen View Post
A 69-year-old man with benign prostatic hyperplasia develops urinary retention 1 day after undergoing removal of a melanoma. After catheterization, a drug is
administered that increases phosphoinositide turnover in the smooth muscle cells of the bladder fundus but has no effect on nicotinic synapses. This drug is most likely
which of the following?

A) Atropine
B) Bethanechol
C) Neostigmine
D) Succinylcholine
E) Trimethaphan
Bethanechol would be right answer. It has effect only on Muscarinic receptors and its action is Gq coupled (increases phosphoinositide).
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Old 11-10-2016
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Quote:
Originally Posted by ehtisham View Post
Its B ... call bethany from FA


Why cant it be neostigmine?
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