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Reading Chapter 28

 

Multiple Choice

Identify the letter of the choice that best completes the statement or answers the question.

 

____    1.   What is the smallest structural and functional unit of the nervous system?

a.

nerve

b.

neuron

c.

brain

d.

spinal cord

 

 

____    2.   When an action potential reaches the end of a neuron at a chemical synapse, it triggers the release of

a.

neurotransmitters.

b.

sodium ions.

c.

dendrites.

d.

receptors.

 

 

____    3.   What is the function of neurotransmitters?

a.

to transmit nerve impulses through dendrites

b.

to stimulate the production of epinephrine

c.

to transmit nerve impulses across synaptic clefts

d.

none of the above

 

 

____    4.   The region of the brain that regulates hunger is the

a.

brainstem.

b.

medulla oblongata.

c.

hypothalamus.

d.

thalamus.

 

 

____    5.   Which of the following general categories of sensory receptors are located everywhere in the body except the brain?

a.

thermoreceptors

b.

mechanoreceptors

c.

photoreceptors

d.

pain receptors

 

Exploring Life - Reading Homework Quiz

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Class Period 
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Question 1
A B C D E F G H

Question 2
A B C D E F G H

Question 3
A B C D E F G H

Question 4
A B C D E F G H

Question 5
A B C D E F G H

Question 6
A B C D E F G H

Question 7
A B C D E F G H

Question 8
A B C D E F G H

Question 9
A B C D E F G H

Question 10
A B C D E F G H
 

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