Test Bank For What is Psychology: Foundations, Applications, and Integration, 4th Edition
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Chapter 02
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1. What brain structure is involved in the formation
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Test Bank For What is Psychology: Foundations, Applications, and Integration, 4th Edition
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-
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Chapter 02
Copyright Cengage Learning. Powered by Cognero. Page 1
1. What brain structure is involved in the formation of myelin?
a. Neurons
b. Glia cells
c. Dendrites
d. Synapses
ANSWER: b
2. Reflexive activity, such as jerking your hand away from a hot stove, is governed by the ____.
a. rescue system
b. endocrine system
c. nervous system
d. parasympathetic system
ANSWER: c
3. The action of tying your shoes is most likely to involve the ____ system.
a. endocrine
b. exocrine
c. nervous
d. parasympathetic
ANSWER: c
4. The information-carrying cells of the nervous system are called ____.
a. Neurons
b. glia cells
c. Hormones
d. Glands
ANSWER: a
5. Glia cells are responsible for ____.
a. forming myelin
b. directing the activity of hormones
c. providing very little benefit to the brain
d. occasionally functioning as neurotransmitters
ANSWER: a
6. Which of the following statements is TRUE regarding neurons and glia cells in the adult human brain?
a. Neurons are far more numerous than glia cells.
b. Neurons are more concentrated in the brainstem than glia cells.
c. Neurons and glia cells are similar in number.
d. Neurons are far less numerous than glia cells.
ANSWER: c
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7. Myelin ____.
a. is a type of neurotransmitter
b. disrupts neurological activity
c. is produced by the action potential
d. speeds up neural signals
ANSWER: d
8. Symptoms of multiple sclerosis include ____.
a. difficulty with movement
b. digestive ailments
c. high fever
d. skin rash
ANSWER: a
9. Without glia cells, your brain would ____.
a. experience no change in function
b. be forced to communicate more often through the endocrine system
c. repair itself more rapidly than normal in the case of an injury
d. send information more slowly
ANSWER: d
10. Which disease is associated with myelin loss, causing neural impulses to travel around the brain without reaching its
destination?
a. Depression
b. Multiple sclerosis
c. Parkinson’s disease
d. Alzheimer’s disease
ANSWER: b
11. Francisco has a disease that is destroying the myelin on his neurons. What effect will this disease most likely have on
Francisco?
a. His brain and spinal cord will completely cease to function.
b. He will be paralyzed on one side of his body but not the other.
c. His neural signals will slow down.
d. His neural signals will speed up.
ANSWER: c
12. The part of the neuron that receives incoming signals from other neurons is called the ____.
a. axon
b. dendrite
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c. cell body
d. synaptic cleft
ANSWER: b
13. Dr. Adelman is biological psychologist who is most interested in studying the part of the neuron that receives input
from other neurons. He is most likely to focus on which of the following?
a. Myelin
b. Axon bulbs
c. Dendrites
d. Glia
ANSWER: c
14. Within a single neuron, dendrites are ____ and axon bulbs ____.
a. active in communication; active in cell metabolism
b. myelinated; unmyelinated
c. on the head; at the tail
d. much smaller; much larger
ANSWER: c
15. A neuron’s axon ____.
a. is nearly always less than two millimeters in length
b. is usually completely covered in myelin from end-to-end
c. can either by myelinated or unmyelinated
d. usually ends in one “bulb,” which physically connects to the next neuron
ANSWER: c
16. Axons on neurons in the brain are typically ____.
a. longer than those in the peripheral nervous system
b. shorter than those in the peripheral nervous system
c. about the same size as those in the peripheral nervous system
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