Which of the following statements is true about the autonomic nervous system?
I) It is a division of the central nervous system.
II) It primarily innervates organs, glands, and vessels.
III) It controls involuntary movement.

• A. I & II only.
• B. I & III only.
• C. II & III only.
• D. I, II, & III.

Answer: (C)

Verified step by step guidance

1. Understand the structure of the nervous system: The nervous system is divided into the central nervous system (CNS) and the peripheral nervous system (PNS). The autonomic nervous system (ANS) is a part of the PNS, not the CNS.
2. Identify the role of the autonomic nervous system: The ANS primarily innervates organs, glands, and blood vessels, which aligns with statement II.
3. Recognize the function of the autonomic nervous system: The ANS controls involuntary movements such as heart rate, digestion, and respiratory rate, which aligns with statement III.
4. Evaluate statement I: Since the ANS is part of the peripheral nervous system, statement I is incorrect.
5. Conclude which statements are true: Based on the analysis, statements II and III are true about the autonomic nervous system.