01
True or false
1 point
True or false: Glia are supporting cells that protect, nourish, and support neurons.
Free Practice Quiz Question List
06 The Nervous System Online Quiz Questions
Use this free practice quiz with 20 questions to review 06 The Nervous System, test your knowledge, and prepare for your next test or exam.
20 questions
02
Choose one
1 point
A nerve and a ganglion are located outside the brain and spinal cord. To which major nervous-system division do they belong?
- A
The peripheral nervous system (PNS)
- B
The central nervous system (CNS)
- C
The enteric nervous system
- D
The autonomic nervous system
03
Written response
1 point
Which brain region would be especially important for coordinating balance while a person walks across uneven ground?
04
Fill in the blank
1 point
A pathway carries information from a skin receptor toward the CNS. It is a pathway.
05
Choose one
1 point
Which statement correctly compares gray matter and white matter in the spinal cord?
- A
Gray matter contains bundles of pathway axons; white matter contains most neuron cell bodies and synapses.
- B
Gray matter contains many neuron cell bodies and synapses; white matter contains bundles of axons.
- C
Both gray and white matter consist only of neuron cell bodies.
- D
Gray matter is outside the spinal cord, while white matter is inside it.
06
True or false
1 point
True or false: The spinal cord serves both as a communication route and as a processing center.
- A
True
- B
False
07
Fill in the blank
1 point
At most neuron-to-neuron synapses, an arriving signal prompts the release of chemical messengers called .
08
Choose one
1 point
A brain injury disrupts regulation of breathing and cardiovascular activity. Which region is most directly associated with these essential functions?
- A
Cerebellum
- B
Cerebrum
- C
Brainstem
- D
Thalamus
09
Written response
1 point
Which nervous-system division includes motor neurons that control skeletal muscle?
10
Choose all
1 point
Select all statements that correctly describe the autonomic nervous system and its divisions.
- A
The autonomic nervous system regulates functions such as heart activity, digestion, and pupil size.
- B
The sympathetic division can help coordinate responses to challenge or increased demand.
- C
The parasympathetic division supports functions such as digestion and recovery.
- D
The autonomic nervous system is the division whose motor neurons control skeletal muscle.
11
True or false
1 point
True or false: A withdrawal reflex cannot begin until the brain has consciously registered pain.
- A
True
- B
False
12
Choose all
1 point
Select all statements that correctly describe the pathway and timing of a spinal withdrawal reflex.
- A
A sensory neuron carries information from the receptor into the spinal cord.
- B
Spinal circuits can activate motor neurons that cause muscles to pull the body part away.
- C
The brain must consciously register pain before the spinal response can begin.
- D
The brain also receives information about the stimulus.
13
Choose one
1 point
A person’s regulation of thirst and body temperature is being considered. Which brain region is especially involved in regulating these internal conditions?
- A
Cerebellum
- B
Brainstem
- C
Cerebrum
- D
Hypothalamus
14
Open ended
1 point
Explain how motor commands and sensory feedback work together to help adjust a voluntary movement as it happens.
15
Choose one
1 point
A skin receptor detects pressure, and the signal travels toward the spinal cord. Which neuron role carries this information?
- A
A motor neuron carries a command from the CNS to a muscle.
- B
A sensory neuron carries information from a receptor toward the CNS.
- C
An interneuron carries information from a muscle to a sensory receptor.
- D
A motor neuron carries sensory information from a receptor toward the CNS.
16
Choose one
1 point
A signal is moving from a neuron's cell body toward another cell. Which structure carries it away from the cell body?
- A
Dendrites carry signals away from the cell body, while the axon receives incoming signals.
- B
The cell body carries signals away from the cell, while glia receive incoming signals.
- C
The axon carries signals away from the cell body, while dendrites receive incoming signals.
- D
Glia carry signals away from the cell body, while the axon maintains the cell.
17
Written response
1 point
What type of neuron connects and processes signals within the central nervous system?
18
Choose one
1 point
A person can initiate a voluntary movement but has difficulty coordinating it and maintaining balance. Which brain region is most directly associated with these functions?
- A
The brainstem
- B
The cerebrum
- C
The hypothalamus
- D
The cerebellum
19
Written response
1 point
At most neuron-to-neuron synapses, what chemical messengers are released and bind to receptors on a neighboring cell?
20
Choose one
1 point
Which description correctly distinguishes gray matter from white matter in the spinal cord?
- A
Gray matter contains many neuron cell bodies and synapses; white matter contains bundles of axons.
- B
Gray matter contains bundles of axons; white matter contains most neuron cell bodies and synapses.
- C
Gray matter contains sensory receptors; white matter contains only motor neuron cell bodies.
- D
Gray matter carries commands toward the body; white matter carries sensory signals toward the brain.