A nurse should assess a patient taking a medication with anticholinergic properties for inhibited function of the:
a. parasympathetic nervous system
b. sympathetic nervous system
c. reticular activating system
d. medulla oblongata
ANS: A
Acetylcholine is the neurotransmitter found in high concentration in the parasympathetic nervous system. When acetylcholine action is inhibited by anticholinergic drugs, parasympathetic symptoms such as blurred vision, dry mouth, constipation, and urinary retention appear. The functions of the sympathetic nervous system, the reticular activating system, and the medulla oblongata are not affected by anticholinergic medications.
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