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Multiple Choice
Which of the following statements concerning the autonomic nervous system is NOT true?
A
The autonomic nervous system primarily innervates skeletal muscles.
B
The autonomic nervous system is divided into the sympathetic and parasympathetic divisions.
C
The autonomic nervous system regulates heart rate and digestion.
D
The autonomic nervous system controls involuntary bodily functions.
Verified step by step guidance
1
Understand the role of the autonomic nervous system (ANS): The ANS is responsible for regulating involuntary bodily functions such as heart rate, digestion, respiratory rate, pupillary response, urination, and sexual arousal.
Identify the divisions of the ANS: The ANS is divided into two main branches, the sympathetic and parasympathetic nervous systems. The sympathetic division is often associated with the 'fight or flight' response, while the parasympathetic division is associated with 'rest and digest' activities.
Recognize the types of muscles innervated by the ANS: The ANS primarily innervates smooth muscles, cardiac muscles, and glands, not skeletal muscles. Skeletal muscles are controlled by the somatic nervous system, which is responsible for voluntary movements.
Evaluate the statement about skeletal muscles: The statement 'The autonomic nervous system primarily innervates skeletal muscles' is incorrect because skeletal muscles are controlled by the somatic nervous system, not the autonomic nervous system.
Review the other statements: Ensure that the other statements correctly describe the functions and divisions of the autonomic nervous system, such as regulating heart rate and digestion, and controlling involuntary bodily functions.