As she walks out of the living room, Gloriann turns out the light. In this example, Gloriann's __________ nervous system is active
A) sympathetic
B) parasympathetic
C) autonomic
D) somatic
Answer: D
Rationale: The somatic nervous system controls skeletal muscles, which are responsible for voluntary and reflexive movement. In this example, the voluntary action of turning out the light would require the somatic nervous system. In contrast, the autonomic nervous system (composed of the sympathetic and parasympathetic nervous systems) is responsible for controlling organs and glands.
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