Question 1

Undifferentiated precursor cells that, under the right conditions, can give rise to any specialized cell in the body are called ________ cells.

Accepted Answer

A)   stem
B)   receptor
C)   glial
D)   T-cells

Question 2

Macroelectrode techniques are used to ________.

Accepted Answer

A)   observe neural activity as it reacts to sensory stimuli
B)   study single neurons
C)   study overall activity in particular regions of the brain
D)   map structures in the living brain

Question 3

Which hemisphere of the cerebral cortex is usually dominant in language tasks?

Accepted Answer

A)   the front hemisphere
B)   the right hemisphere
C)   the rear hemisphere
D)   the left hemisphere

Question 4

The term "gray matter" refers to ________.

Accepted Answer

A)   interneurons
B)   myelinated axons
C)   unmyelinated axons
D)   glial cells

Question 5

A frog muscle is stimulated with an electric current but the muscle doesn't twitch. This probably happens because ________.

Accepted Answer

A)   ionic balance has been restored
B)   the synapses are underactive
C)   the threshold of excitation was not reached
D)   the graded potential is too great

Question 6

Pairs of tiny threadlike bodies that carry genes are ________.

Accepted Answer

A)   riboplasts
B)   vesicles
C)   proteins
D)   chromosomes

Question 7

A person with schizophrenia is most likely to have a problem with which of the following neurotransmitters?

Accepted Answer

A)   dopamine
B)   serotonin
C)   acetylcholine
D)   norepinephrine

Question 8

Describe the location and functioning of the medulla, cerebellum, thalamus, hypothalamus, and cerebral cortex.

Accepted Answer

The answer of Describe the location and functioning of the...

Question 9

Both CT scanning and MRI provide pictures of brain activity.

Accepted Answer

A) True 
 B)False

Question 10

In many important psychological characteristics, a number of genes make a small contribution to the trait in question. This process is known as ________.

Accepted Answer

A)   polygenic inheritance
B)   cumulative inheritance
C)   genetic dominance
D)   natural selection

Question 11

Describe the basic functions of the endocrine system, including the specific functions of the thyroid gland, pancreas, pituitary gland, gonads, and adrenal glands.

Accepted Answer

The answer of Describe the basic functions of the endocrine...

Question 12

The hormone that causes the anterior pituitary gland to release hormones that prolong responses to stress, thus causing you to remain aroused for some time after extreme emotional excitement is ________.

Accepted Answer

A)   epinephrine
B)   acetylcholine
C)   norepinephrine
D)   dopamine

Question 13

When a neuron is polarized, ________.

Accepted Answer

A)   both positive and negative ions are concentrated inside the neural membrane
B)   positive ions are concentrated outside the neural membrane while negative ions are concentrated inside the membrane
C)   negative ions are concentrated outside the neural membrane while positive ions are concentrated inside the membrane
D)   both positive and negative ions are concentrated outside the neural membrane

Question 14

Phineas Gage suffered personality changes as a result of damage to his temporal lobes.

Accepted Answer

A) True 
 B)False

Question 15

In regards to the brain, the term "plasticity" refers to ________.

Accepted Answer

A)   easily broken or "cracked"
B)   ability to adapt to new conditions
C)   level of complexity
D)   brittleness, or rigidity

Question 16

Afferent neurons carry messages from the central nervous system.

Accepted Answer

A) True 
 B)False

Question 17

Simply put, Broca's area is important for ________, and Wernicke's area is important for ________.

Accepted Answer

A)   talking; listening
B)   listening; talking
C)   listening; listening
D)   talking; talking

Question 18

Despite its dangers, a young man continues to take cocaine because of the feelings of euphoria it produces for him. This powerful arousal of his nervous system is probably due to cocaine's ability to ________.

Accepted Answer

A)   inhibit enzymes that break down neurotransmitters
B)   block the receptor sites for neurotransmitters
C)   increase the release of dopamine
D)   allow excess amounts of dopamine to accumulate in the synapses

Question 19

The branch of the autonomic nervous system that prepares the body for quick action in an emergency is the ________ division.

Accepted Answer

A)   sympathetic
B)   central
C)   secondary
D)   parasympathetic

Question 20

Corey was in an automobile accident that resulted in an injury to her brain. She now has difficulty reading road maps and telling other people how to get somewhere. She has most likely suffered an injury to her ________ lobe.

Accepted Answer

A)   occipital
B)   temporal
C)   frontal
D)   parietal

Exam 2: The Biological Basis of Behavior

Both CT scanning and MRI provide pictures of brain activity.

Correct AnswerverifiedShow Answer

Describe the location and functioning of the medulla, cerebellum, thalamus, hypothalamus, and cerebral cortex.

Correct AnswerverifiedShow Answer

A person with schizophrenia is most likely to have a problem with which of the following neurotransmitters?

Correct AnswerverifiedShow Answer

Corey was in an automobile accident that resulted in an injury to her brain. She now has difficulty reading road maps and telling other people how to get somewhere. She has most likely suffered an injury to her ________ lobe.

Correct AnswerverifiedShow Answer

Undifferentiated precursor cells that, under the right conditions, can give rise to any specialized cell in the body are called ________ cells.

Correct AnswerverifiedShow Answer

The branch of the autonomic nervous system that prepares the body for quick action in an emergency is the ________ division.

Correct AnswerverifiedShow Answer

Macroelectrode techniques are used to ________.

Correct AnswerverifiedShow Answer

Simply put, Broca's area is important for ________, and Wernicke's area is important for ________.

Correct AnswerverifiedShow Answer

The term "gray matter" refers to ________.

Correct AnswerverifiedShow Answer

Phineas Gage suffered personality changes as a result of damage to his temporal lobes.

Correct AnswerverifiedShow Answer

In many important psychological characteristics, a number of genes make a small contribution to the trait in question. This process is known as ________.

Correct AnswerverifiedShow Answer

The hormone that causes the anterior pituitary gland to release hormones that prolong responses to stress, thus causing you to remain aroused for some time after extreme emotional excitement is ________.

Correct AnswerverifiedShow Answer

Describe the basic functions of the endocrine system, including the specific functions of the thyroid gland, pancreas, pituitary gland, gonads, and adrenal glands.

Correct AnswerverifiedShow Answer

Afferent neurons carry messages from the central nervous system.

Correct AnswerverifiedShow Answer

Which hemisphere of the cerebral cortex is usually dominant in language tasks?

Correct AnswerverifiedShow Answer

When a neuron is polarized, ________.

Correct AnswerverifiedShow Answer

Pairs of tiny threadlike bodies that carry genes are ________.

Correct AnswerverifiedShow Answer

Despite its dangers, a young man continues to take cocaine because of the feelings of euphoria it produces for him. This powerful arousal of his nervous system is probably due to cocaine's ability to ________.

Correct AnswerverifiedShow Answer

A frog muscle is stimulated with an electric current but the muscle doesn't twitch. This probably happens because ________.

Correct AnswerverifiedShow Answer

In regards to the brain, the term "plasticity" refers to ________.

Correct AnswerverifiedShow Answer

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Simply put, Broca's area is important for , and Wernicke's area is important for .

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