Multiple Choice
Which cranial nerve is not involved in the parasympathetic nervous system?
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14. The Autonomic Nervous System
Introduction to the Autonomic Nervous System
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Which organ system is primarily responsible for regulating mood and behavior, including anxiety and fear responses?
A
Respiratory system
B
Digestive system
C
Nervous system
D
Integumentary system
Verified step by step guidance1
Begin by identifying the primary functions of each organ system listed in the problem.
The respiratory system is responsible for gas exchange, primarily oxygen and carbon dioxide, and does not regulate mood or behavior.
The digestive system is involved in the breakdown and absorption of nutrients, and while it can influence mood through gut-brain interactions, it is not primarily responsible for mood regulation.
The integumentary system, which includes the skin, hair, and nails, serves as a protective barrier and is involved in sensation but does not regulate mood or behavior.
The nervous system, consisting of the brain, spinal cord, and nerves, is primarily responsible for regulating mood and behavior, including anxiety and fear responses, through complex neural networks and neurotransmitter activity.
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