AnswersCMS 2026-2027 Psychology INITIAL CREDITThe Neuron

Structures of the Nervous System Answers

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1
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Which of the following best describes the function of nerves?

A
They send information around to different cells of the body.
B
They connect the brain to the body.
C
They carry messages from the muscles.
D
They carry sensory and motor impulses.
2
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What are the two main components of the nervous system?

A
the brain nervous system and the spinal cord nervous system
B
the parasympathetic nervous system and the brain nervous system
C
the cranial nervous system and the parasympathetic nervous system
D
the central nervous system and the peripheral nervous system
3

Which of the following best describes the function of the parasympathetic nervous system?

A
It calms the body and conserves energy.
B
It maintains internal equilibrium of the body.
C
It arouses the body and expends energy.
D
It conducts energy around the body.
4

The nerves of the somatic nervous system connects to which two parts of the body?

A
motor muscles and chemical receptors
B
heart muscles and sensory receptors
C
cranial muscles and motor receptors
D
skeletal muscles and sensory receptors
5

The nerves that make up the spinal cord carry commands between the __________ and the brain.

A
peripheral nerves
B
spinal nerves
C
motor nerves
D
cranial nerves
6

Both the sympathetic and parasympathetic divisions can be found in the __________ nervous system.

A
central
B
autonomic
C
somatic
D
primitive
7

Which system consists of nerves that initiate communication?

A
the central nervous system
B
the somatic nervous system
C
the parasympathetic nervous system
D
the peripheral nervous system
8

All of the following physical reactions occur when our fight-or-flight response is triggered except __________.

A
dilating pupils
B
increasing heartbeat
C
increasing digestion
D
increasing perspiration
9

Which nervous system is comprised of the somatic and autonomic nervous systems?

A
the central nervous system
B
the peripheral nervous system
C
the sympathetic nervous system
D
the parasympathetic nervous system
10

What are the two divisions of the autonomic nervous system?

A
sympathetic and central nervous systems
B
central and somatic nervous systems
C
sympathetic and parasympathetic nervous systems
D
parasympathetic and somatic nervous systems

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