Multiple Choice
The sympathetic and parasympathetic nervous systems are divisions of which system?
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14. The Autonomic Nervous System
Sympathetic Nervous System
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Which of the following is true of the sympathetic nervous system?
A
It primarily uses acetylcholine as its neurotransmitter.
B
It prepares the body for 'fight or flight' responses.
C
It is responsible for the 'rest and digest' response.
D
It decreases heart rate and promotes digestion.
Verified step by step guidance1
Understand the role of the sympathetic nervous system: It is part of the autonomic nervous system, which controls involuntary body functions.
Recognize the primary function of the sympathetic nervous system: It prepares the body for 'fight or flight' responses, which are reactions to stress or danger.
Identify the neurotransmitter used by the sympathetic nervous system: While acetylcholine is used at the ganglionic synapse, norepinephrine is primarily used at the target organ synapse.
Differentiate between sympathetic and parasympathetic nervous systems: The parasympathetic nervous system is responsible for 'rest and digest' responses, which are opposite to the sympathetic system's functions.
Consider physiological effects: The sympathetic nervous system increases heart rate and inhibits digestion, preparing the body for rapid action.
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