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Unit 1 AP Practice Multiple Choice Questions

1. Jay is an evolutionary psychologist. He seeks to understand 7. To accurately identify the two parts of the central nervous
how traits and behavioral tendencies have been shaped by system in an oral exam, what should Kitab say?
a. natural selection. a. Sensory and motor neurons
b. psychophysics. b. The somatic and autonomic nervous systems
c. prenatal nutrition. c. The brain and the spinal cord
d. parallel processing. d. The sympathetic and parasympathetic nervous
systems
2. Torin believes in nature’s influence on behavior, while
Kyla believes in nurture’s influence. Which aligns with 8. What does the figure below illustrate?
Torin’s view and Kyla’s view, respectively?
a. Genetic factors; environmental factors
b. Heredity; genetic factors
Copyright © Bedford, Freeman & Worth Publishers.
c. Epigenetics; environmental factors
d. Environmental factors; heredity
3. Rather than acting as blueprints that lead to the same
result no matter the context, genes react to the environ-
ment. The gene–environment interaction is the basic
tenet of which of the following?
a. Evolutionary psychology a. A glial cell
b. Epigenetics b. A hormone
c. Heredity c. A neuron
d. Parallel processing
d. A neurotransmitter
4. Why do researchers find the study of fraternal twins 9. What is the purpose of the myelin sheath?
important? Distributed by Bedford, Freeman & Worth Publishers. Not for redistribution.
a. To make the transfer of information across a synapse
a. They share similar environments and the same more efficient
genetic code. b. To increase the amount of neurotransmitter available
b. Their environments differ based on their individual traits. in the synapse
c. They are usually raised in similar environments, but c. To reduce the antagonistic effect of certain drugs
they do not have the same genetic code. d. To speed up the transmission of information within a
d. They are typically raised in less similar environments neuron
than nontwin siblings.
10. When Janice’s finger touches a candle flame, her hand
5. Why do researchers use adoption studies in an effort to jerks away before her brain receives and responds to the
reveal genetic influences on personality?
information that causes her to feel pain. This is due to
a. To compare adopted children with nonadopted which of the following?
children a. The reflex arc
b. To study the effect of prior neglect on adopted children b. The all-or-none process
c. To study the effect of a child’s age at adoption c. Reuptake
d. To evaluate whether adopted children more closely d. Endorphins
resemble their adoptive parents or their biological
parents 11. Jessika wants to do research that examines the electrical
impulses that travel down axons to better understand
6. What should Ezra say if he was asked to describe the main
function of the peripheral nervous system? a. the refractory period.
b. the action potential.
a. It connects the brain and spinal cord to the rest of the c. the threshold.
body. d. the all-or-none process.
b. It calms the body after an emergency.
c. It prepares the body for action.
d. It focuses on thinking and feeling.

160 Unit 1 Biological Bases of Behavior

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