Question 1

Londra and Sondra are identical twins who have been raised together in the same home. Londra has developed a psychological disorder, but Sondra does not appear to have the same disorder. This information could be used as evidence to suggest that

Accepted Answer

A)   genetic factors have more influence than environmental factors in this disorder.
B)   environmental factors have more influence than genetic factors in this disorder.
C)   both genetic and environmental factors contribute equally to this disorder.
D)   neither genetic nor environmental factors contribute to this disorder.

Question 2

The result of the fertilization of an egg by a sperm is a

Accepted Answer

A)   chromosome.
B)   zygote.
C)   gene.
D)   fetus.

Question 3

Nadine had a stroke that was confined to the right side of her brain. Based on hemispheric lateralization studies you might expect that Nadine would have the most problems with tasks that require

Accepted Answer

A)   spatial skills, such as fitting together puzzle pieces.
B)   language and communication.
C)   fine motor coordination.
D)   mathematics and logical reasoning skills.

Question 4

Which of the following statements about Charles Darwin and the theory of evolution is NOT accurate?

Accepted Answer

A)   He was the first person to describe the process of evolution.
B)   He identified natural selection as the mechanism that orchestrates the process of evolution.
C)   He noted that some of the characteristics of organisms are passed down from one generation to the next.
D)   He suggested that variations in hereditary traits might affect organisms' ability to obtain resources.

Question 5

Some theorists believe that a sort of "executive control system," which is responsible for monitoring, directing, and organizing thought processes, is housed in the

Accepted Answer

A)   corpus callosum.
B)   prefrontal cortex.
C)   hindbrain.
D)   medial forebrain bundle.

Question 6

Which of the following statements is MOST accurate?

Accepted Answer

A)   Human beings begin life with an insufficient number of synapses.
B)   Human beings begin life with an overabundance of synapses.
C)   Synaptic density is associated with intelligence.
D)   Brain development is only malleable during the first 3 years of life.

Question 7

The seat of emotion is to be found in the

Accepted Answer

A)   reticular formation.
B)   hindbrain.
C)   limbic system.
D)   forebrain.

Question 8

The observable characteristics of an individual are referred to as that person's

Accepted Answer

A)   phenotype.
B)   zygotype.
C)   genotype.
D)   heritability.

Question 9

In order to best study the functional specialization of the two sides of the brain,

Accepted Answer

A)   one side is temporarily paralyzed.
B)   the two sides must be surgically disconnected.
C)   the subject must be ambidextrous.
D)   information must be sent to only one eye and one ear, both on the same side of the body.

Question 10

An inherited characteristic that, through natural selection, increases in a population because it helps to solve a survival problem at the time it emerges, is called

Accepted Answer

A)   an adaptation.
B)   a genetic mutation.
C)   a dominant gene.
D)   a homozygous pairing.

Question 11

Which part of the neuron has the responsibility for receiving information from other neurons?

Accepted Answer

A)   the cell body
B)   the soma
C)   the axon
D)   the dendrites

Question 12

In samples of older adults, higher levels of testosterone are associated with higher scores on all of the following EXCEPT

Accepted Answer

A)   measures of memory
B)   verbal comprehension
C)   information-processing speed
D)   spatial abilities

Question 13

An interdisciplinary field that studies the influence of genetic factors on behavioral traits is

Accepted Answer

A)   evolutionary psychology.
B)   evoutionary genetics.
C)   genetic psychology.
D)   behavioral genetics.

Question 14

Darwin believed that a trait contributed to evolution by providing

Accepted Answer

A)   a reproductive advantage.
B)   a survival advantage.
C)   both a reproductive and a survival advantage.
D)   either a reproductive or survival advantage.

Question 15

The chemicals released into the bloodstream by the endocrine glands are

Accepted Answer

A)   hormones.
B)   neurotransmitters.
C)   gonads.
D)   circulatory transmitters.

Question 16

If Tom is heterozygous for a specific gene pair, which of the following must be true?

Accepted Answer

A)   Tom's two genes in the specific gene pair are both dominant.
B)   Tom's two genes in the specific gene pair are both recessive.
C)   Tom's two genes in the specific gene pair are different.
D)   Tom's two genes in the specific gene pair are the same.

Question 17

If you have difficulty understanding the meaning of someone's speech, you may suspect damage to

Accepted Answer

A)   the pituitary gland.
B)   Wernicke's area.
C)   the corpus callosum.
D)   Korsakoff's area.

Question 18

The correct order in which a nervous system message "to walk" is transmitted from your brain to the muscles in your legs is

Accepted Answer

A)   motor cortex-thalamus-cerebellum-efferent nerves.
B)   somatosensory cortex-midbrain-cerebellum-afferent nerves.
C)   motor cortex-midbrain-cerebellum-efferent nerves.
D)   motor cortex-midbrain-cerebrum-afferent nerves.

Question 19

Describe the three methods used by behavioral geneticists to attempt to investigate the effects of genetics and experience on behavior.

Accepted Answer

Psychologists use Family studies, adopti...

Question 20

Compare and contrast lesioning and electrical stimulation of the brain.

Accepted Answer

Both are methods of studying brain funct...

Exam 6: The Biological Bases of Behavior Part 2

Which part of the neuron has the responsibility for receiving information from other neurons?

Correct AnswerverifiedShow Answer

Compare and contrast lesioning and electrical stimulation of the brain.

Correct AnswerverifiedBoth are methods of studying brain funct...View AnswerShow Answer

In order to best study the functional specialization of the two sides of the brain,

Correct AnswerverifiedShow Answer

Which of the following statements about Charles Darwin and the theory of evolution is NOT accurate?

Correct AnswerverifiedShow Answer

Which of the following statements is MOST accurate?

Correct AnswerverifiedShow Answer

Describe the three methods used by behavioral geneticists to attempt to investigate the effects of genetics and experience on behavior.

Correct AnswerverifiedPsychologists use Family studies, adopti...View AnswerShow Answer

Londra and Sondra are identical twins who have been raised together in the same home. Londra has developed a psychological disorder, but Sondra does not appear to have the same disorder. This information could be used as evidence to suggest that

Correct AnswerverifiedShow Answer

The correct order in which a nervous system message "to walk" is transmitted from your brain to the muscles in your legs is

Correct AnswerverifiedShow Answer

The observable characteristics of an individual are referred to as that person's

Correct AnswerverifiedShow Answer

Darwin believed that a trait contributed to evolution by providing

Correct AnswerverifiedShow Answer

Nadine had a stroke that was confined to the right side of her brain. Based on hemispheric lateralization studies you might expect that Nadine would have the most problems with tasks that require

Correct AnswerverifiedShow Answer

If Tom is heterozygous for a specific gene pair, which of the following must be true?

Correct AnswerverifiedShow Answer

Some theorists believe that a sort of "executive control system," which is responsible for monitoring, directing, and organizing thought processes, is housed in the

Correct AnswerverifiedShow Answer

If you have difficulty understanding the meaning of someone's speech, you may suspect damage to

Correct AnswerverifiedShow Answer

An interdisciplinary field that studies the influence of genetic factors on behavioral traits is

Correct AnswerverifiedShow Answer

The chemicals released into the bloodstream by the endocrine glands are

Correct AnswerverifiedShow Answer

The seat of emotion is to be found in the

Correct AnswerverifiedShow Answer

An inherited characteristic that, through natural selection, increases in a population because it helps to solve a survival problem at the time it emerges, is called

Correct AnswerverifiedShow Answer

The result of the fertilization of an egg by a sperm is a

Correct AnswerverifiedShow Answer

In samples of older adults, higher levels of testosterone are associated with higher scores on all of the following EXCEPT

Correct AnswerverifiedShow Answer

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Both are methods of studying brain funct...
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Psychologists use Family studies, adopti...
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