Cholinergic and Anticholinergic agents 01

Topic: Pharmacology

Created on Saturday, October 18 2008 by jdmiles

Last modified on Saturday, October 18 2008.

 
        A) Mydriasis
 
        B) Myosis
 
        C) Urinary retention
 
        D) Anhydrosis
 
        E) Tachycardia
 

 

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This question was created on October 18, 2008 by jdmiles.
This question was last modified on October 18, 2008.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ANSWERS AND EXPLANATIONS

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A) mydriasis

This answer is incorrect.

Atropine and scopolomine are classic muscarinic antagonists. Effects of these agents include mydriasis, anhydrosis, constipation, dry mouth, increased intra-ocular pressure, tachycardia, relaxation of the ciliary muscles, difficulty focusing on near objects, and urinary retention. Anticholinergic agents are also sometimes used in the treatment of Parkinson disease, as they help reduce tremor and rigidity.  (See References)

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B) myosis

This answer is correct.

Atropine and scopolomine are classic muscarinic antagonists. Effects of these agents include mydriasis, anhydrosis, constipation, dry mouth, increased intra-ocular pressure, tachycardia, relaxation of the ciliary muscles, difficulty focusing on near objects, and urinary retention. Anticholinergic agents are also sometimes used in the treatment of Parkinson disease, as they help reduce tremor and rigidity.
Myosis is not an effect of these agents.  (See References)

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C) urinary retention

This answer is incorrect.

Atropine and scopolomine are classic muscarinic antagonists. Effects of these agents include mydriasis, anhydrosis, constipation, dry mouth, increased intra-ocular pressure, tachycardia, relaxation of the ciliary muscles, difficulty focusing on near objects, and urinary retention. Anticholinergic agents are also sometimes used in the treatment of Parkinson disease, as they help reduce tremor and rigidity.  (See References)

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D) anhydrosis

This answer is incorrect.

Atropine and scopolomine are classic muscarinic antagonists. Effects of these agents include mydriasis, anhydrosis, constipation, dry mouth, increased intra-ocular pressure, tachycardia, relaxation of the ciliary muscles, difficulty focusing on near objects, and urinary retention. Anticholinergic agents are also sometimes used in the treatment of Parkinson disease, as they help reduce tremor and rigidity.  (See References)

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E) tachycardia

This answer is incorrect.

Atropine and scopolomine are classic muscarinic antagonists. Effects of these agents include mydriasis, anhydrosis, constipation, dry mouth, increased intra-ocular pressure, tachycardia, relaxation of the ciliary muscles, difficulty focusing on near objects, and urinary retention. Anticholinergic agents are also sometimes used in the treatment of Parkinson disease, as they help reduce tremor and rigidity.  (See References)

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References:

1. Zygmunt L. Kruk and Christopher J. Pycock. . London ; Chapman and Hall, 1991. (ISBN:412361108)

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pharmacology
Cholinergic and Anticholinergic agents 01
Question ID: 101808161
Question written by J. Douglas Miles, (C) 2006-2009, all rights reserved.
Created: 10/18/2008
Modified: 10/18/2008
Estimated Permutations: 60480