The patient is undergoing chronic stress and has a prolonged sympathetic response. What type of drug could this patient receive to reduce the sympathetic response? (Select all that apply.)
A) A drug that reduces sympathetic response
B) A drug that increases sympathetic response
C) A drug that reduces parasympathetic response
D) A drug that increases parasympathetic response
E) A drug that reduces central nervous system (CNS) response
A, D, E
Feedback:
Decreasing sympathetic response would reduce the stress response, whereas increasing parasympathetic response would have the same effect. Although not optional, a medication that slowed down the entire nervous system would also work. In many areas, the parasympathetic nervous system works in opposition to the sympathetic nervous system (SNS). This allows the autonomic system to maintain a fine control over internal homeostasis. For example, the SNS increases heart rate, whereas the parasympathetic nervous system decreases it. Thus, the autonomic nervous system can influence heart rate by increasing or decreasing sympathetic activity or by increasing or decreasing parasympathetic activity.
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