Test Bank for Discovering Psychology 8th Edition Hockenbury
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Discovering Psychology 8th Edition Hockenbury
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Discovering Psychology 8th Edition Hockenbury
Chapter 02: Multiple Choice
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1. The branch of science that is concerned with the study of the nervous system, especially the brain, is called:
a. interdisciplinary science.
b. neuroscience.
c. developmental psychology.
d. clinical psycho...
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Name: Class: Date:
Chapter 02: Multiple Choice
1. The branch of science that is concerned with the study of the nervous system, especially the brain, is called:
a. interdisciplinary science.
b. neuroscience.
c. developmental psychology.
d. clinical psychology.
ANSWER: b
2. The branch of psychology that is focused on understanding the internal physical events and processes that
correspond with our mental processes and behavior is called:
a. biological psychology.
b. clinical psychology.
c. cognitive physiology.
d. forensic psychology.
ANSWER: a
3. Psychologists are greatly interested in the biological bases of behavior. Which of the following questions
reflects this interest?
a. Why do people choose specific careers?
b. Why do you get hungry?
c. Why do some people use social media, while others dislike it?
d. Why do people from different cultures have different values?
ANSWER: b
4. Neurons are:
a. found in primates and humans, but not in other animals.
b. highly specialized cells that receive and transmit information from one area of the body to another.
c. found only in the spinal cord and bone marrow.
d. highly specialized cells that produce myelin.
ANSWER: b
5. How many neurons exist in the human brain?
a. 400,000 million
b. 600 million
c. roughly 1 billion
d. roughly 90 billion
ANSWER: d
6. Sarah is a training to be a neuroscientist. She is most likely studying which topic?
a. how conflict affects marital happiness
b. which psychological test would best predict job success
c. the age at which children understand abstract concepts
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Chapter 02: Multiple Choice
d. brain development during adolescence
ANSWER: d
7. The _____ tell muscles whether to relax or contract.
a. sensory neurons
b. glial cells
c. motor neurons
d. interneurons
ANSWER: c
8. Information from specialized cells in the sense organs is conveyed to the brain by:
a. sensory neurons.
b. glial cells.
c. motor neurons.
d. hormones.
ANSWER: a
9. The three basic types of neurons are:
a. glial cells, nodes of Ranvier, and myelin.
b. dendritic neurons, axonal neurons, and body neurons.
c. excitatory neurons, inhibitory neurons, and interneurons.
d. sensory neurons, motor neurons, and interneurons.
ANSWER: d
10. _____ convey information about the environment from the sense organs to the brain, and _____
communicate information to the muscles and glands.
a. Interneurons; glial cells
b. Excitatory neurons; inhibitory neurons
c. Sensory neurons; motor neurons
d. Motor neurons; sensory neurons
ANSWER: c
11. The type of specialized cell whose main function is to communicate between neurons is a(n):
a. interneuron.
b. glial cell.
c. motor neuron.
d. sensory neuron.
ANSWER: a
12. _____ are the most prevalent neurons in the human nervous system.
a. Interneurons
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Chapter 02: Multiple Choice
b. Motor neurons
c. Sensory neurons
d. Glial cells
ANSWER: a
13. Which of the following statements about the properties of neurons is TRUE?
a. All neurons are the same size and shape.
b. The size and shape of neurons vary a great deal, reflecting their specialized functions.
c. Sensory and motor neurons are the same size and shape, and interneurons are long and thin.
d. Motor neurons outnumber interneurons by almost 10 to 1.
ANSWER: b
14. Which term refers to a structure that provides the energy needed for the neuron to function?
a. cell body
b. myelin sheath
c. axon
d. dendrite
ANSWER: a
15. Most neurons have all of the following parts, EXCEPT:
a. association areas.
b. a cell body and nucleus.
c. dendrites.
d. an axon.
ANSWER: a
16. The amount of information that a neuron can receive increases with the number of _____ that the neuron
has.
a. axons
b. cell bodies
c. glial cells
d. dendrites and dendrite branches
ANSWER: d
17. Which part of the neuron receives messages from other neurons?
a. the axon
b. the nucleus
c. the dendrite
d. the sodium ion membrane
ANSWER: c
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Chapter 02: Multiple Choice
18. Which of the following is TRUE about axons?
a. Neurons that have a myelin sheath do not have an axon.
b. Axons often have branches near their tips called "axon terminals."
c. Axon terminals receive information from other neurons and from sensory receptor cells.
d. Unmyelinated axons fire 20 times faster than do neurons with myelin sheaths.
ANSWER: b
19. A neuron may have thousands of _____, but can have only one _____.
a. dendrites; axon
b. cell bodies; dendrite
c. axons; dendrite
d. nodes of Ranvier; synaptic vesicle
ANSWER: a
20. What is the function of a neuron's axon?
a. receive messages from other cells in the body
b. carry messages to other cells in the body
c. create energy for the cell
d. generate new cells
ANSWER: b
21. Along with neurons, the human nervous system is made up of _____ cells.
a. glial
b. Ranvier
c. dendritic
d. polarized
ANSWER: a
22. _____ are one of two types of glial cells that help to form the myelin sheath around axons.
a. Microglia
b. Astrocytes
c. Oligodendrocytes
d. Dendrites
ANSWER: c
23. Which of the following is TRUE of glial cells?
a. They assist neurons by providing nutrition and structural support, and by removing waste products.
b. They are neurons that specifically signal muscles to relax or contract.
c. They are neurons that are specialized for conveying information to the brain from receptor cells in
the sense organs and internal organs.
d. They are a type of neuron whose primary function is to communicate information from one neuron to
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