What are the main components of the central nervous system?
An Introduction to the Nervous System: Structure and Function

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Biology, Health Sciences
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7 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Brain and spinal cord
Neurons and synapses
Sensory receptors and effectors
Motor neurons and relay neurons
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is a function of sensory receptors?
To release neurotransmitters
To link sensory and motor neurons
To detect stimuli and convert them into electrical impulses
To transmit impulses to effectors
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Where are relay neurons primarily located?
In the muscles and glands
In the sensory organs
In the peripheral nervous system
In the central nervous system
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the role of motor neurons in the nervous system?
To slow down neurotransmission
To detect changes in the environment
To carry impulses from the CNS to effectors
To link sensory neurons with relay neurons
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a synapse?
A neurotransmitter
A type of motor neuron
A gap between two neurons
A type of sensory receptor
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do synapses ensure the directionality of impulse transmission?
By allowing impulses to travel in both directions
By converting electrical impulses into chemical signals
By releasing neurotransmitters that diffuse across the synapse
By directly connecting neurons
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the correct sequence of information flow in the nervous system?
Receptor, stimulus, coordinator, effector, response
Stimulus, receptor, coordinator, effector, response
Effector, receptor, coordinator, stimulus, response
Coordinator, stimulus, receptor, effector, response
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