Multiple Choice
In the parasympathetic nervous system, preganglionic fibers are ________ and postganglionic fibers are __________.
14. The Autonomic Nervous System
Parasympathetic Nervous System
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Which of the following would NOT occur when the parasympathetic system is active?
A
low normal blood pressure
B
gastrointestinal activity
C
elimination of urine
D
constricted pupils
E
cold, sweaty skin
Verified step by step guidance1
Understand the role of the parasympathetic nervous system: It is part of the autonomic nervous system responsible for 'rest and digest' functions, promoting relaxation and recovery.
Identify the typical effects of parasympathetic activation: These include lowering heart rate and blood pressure, stimulating digestive processes, promoting urination, and constricting pupils.
Analyze each option: Consider whether each option aligns with the 'rest and digest' functions of the parasympathetic system.
Evaluate 'cold, sweaty skin': This is typically associated with the sympathetic nervous system, which is responsible for 'fight or flight' responses, not the parasympathetic system.
Conclude that 'cold, sweaty skin' would NOT occur when the parasympathetic system is active, as it is a response more aligned with sympathetic activation.
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