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Multiple Choice
Which of the following best describes the parasympathetic division of the autonomic nervous system?
A
It is responsible for the 'fight or flight' response.
B
It promotes 'rest and digest' activities.
C
It primarily uses the neurotransmitter norepinephrine.
D
It increases heart rate and blood pressure.
Verified step by step guidance
1
Understand the role of the autonomic nervous system (ANS), which is divided into the sympathetic and parasympathetic divisions.
Recognize that the sympathetic division is responsible for the 'fight or flight' response, which prepares the body for stressful situations by increasing heart rate, blood pressure, and energy availability.
Identify that the parasympathetic division is responsible for 'rest and digest' activities, which promote relaxation, digestion, and energy conservation.
Note that the parasympathetic division primarily uses the neurotransmitter acetylcholine, whereas the sympathetic division primarily uses norepinephrine.
Conclude that the statement 'It promotes 'rest and digest' activities' best describes the parasympathetic division of the autonomic nervous system.