3
QuizMultiple Choice

The Peripheral Nervous System

Question 3 • Biology - SC3209 IC

Which statement explains the difference between a nerve that is connected to the skin and a nerve that is connected to a muscle?

Answer
A
The nerve that is connected to skin is a motor neuron; the nerve that is connected to a muscle is a sensory neuron.
B
The nerve that is connected to skin receives stimuli information from the external environment; the nerve that is connected to a muscle receives processed stimuli information from the brain.
C
The nerve that is connected to skin is part of the central nervous system; the nerve that is connected to a muscle is part of the peripheral nervous system.
D
The nerve that is connected to skin helps the body maintain homeostasis; the nerve that is connected to a muscle supports the body so it can stand upright and move from place to place.

Explanation

A nerve connected to the skin carries sensory information, such as touch or temperature, from the external environment toward the nervous system. A nerve connected to a muscle carries motor commands from the brain or spinal cord so the muscle can respond. Therefore, the statement about skin receiving stimulus information and muscle receiving processed information is correct; choice A reverses sensory and motor roles.

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