Central Nervous System Concepts
Interactive Video
•
Science
•
8th Grade
•
Practice Problem
•
Easy
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8 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following correctly identifies the components of the Central Nervous System (CNS)?
Nerves throughout the body
Brain and spinal cord
Autonomic and somatic systems
Medulla, pons, and cerebellum
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which part of the brain is responsible for regulating breathing, blood pressure, and heart rate?
Cerebellum
Pons
Medulla
Forebrain
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
During a "fight or flight" response, which of the following changes occurs in the body?
Decreased heart rate and active digestion
Increased heart rate and active digestion
Decreased heart rate and inactive digestion
Increased heart rate and inactive digestion
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What part of a neuron typically receives signals from other cells?
Axon
Cell body
Dendrites
Synapse
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a primary role of glial cells in the nervous system?
Producing action potentials
Transmitting signals over long distances
Supporting and protecting neurons
Forming the central nervous system only
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How is the inside of a neuron charged compared to its surroundings when it is at rest?
More positive
More negative
Neutral
Constantly changing
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens to the electrical charge inside the axon during depolarization?
It becomes more negative
It becomes more positive
It stays the same
It rapidly switches between positive and negative
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