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Multiple Choice
Which of the following is true regarding the autonomic nervous system?
A
It controls voluntary muscle movements.
B
It regulates involuntary functions such as heart rate and digestion.
C
It is part of the somatic nervous system.
D
It only consists of the sympathetic division.
Verified step by step guidance
1
Begin by understanding the autonomic nervous system (ANS). The ANS is a component of the peripheral nervous system that regulates involuntary physiological functions.
Recognize that the ANS is responsible for controlling functions such as heart rate, digestion, respiratory rate, pupillary response, urination, and sexual arousal.
Differentiate between the autonomic nervous system and the somatic nervous system. The somatic nervous system controls voluntary muscle movements, whereas the ANS manages involuntary actions.
Identify the divisions of the autonomic nervous system: the sympathetic division, which prepares the body for 'fight or flight' responses, and the parasympathetic division, which promotes 'rest and digest' activities.
Conclude that the statement 'It regulates involuntary functions such as heart rate and digestion' is true regarding the autonomic nervous system, as it accurately describes its primary function.