Question 1

Dendrites receive information from other neurons.

Accepted Answer

A) True 
 B)False

Question 2

In reading these test questions, you are primarily using your _____ to understand what you are reading.

Accepted Answer

A)   left hemisphere
B)   right hemisphere
C)   amygdala
D)   medullaE) A) and B)
F) None of the above

Question 3

A mentally stimulating, intellectually challenging environment is associated with enhanced cognitive functioning.

Accepted Answer

A) True 
 B)False

Question 4

Broca is to _____ as Wernicke is to _____.

Accepted Answer

A)   expressive aphasia; receptive aphasia
B)   left cerebral hemisphere; right cerebral hemisphere
C)   structural plasticity; functional plasticity
D)   receptive aphasia; expressive aphasiaE) A) and D)
F) A) and B)

Question 5

When neurotransmitters communicate an excitatory message to the postsynaptic neuron:

Accepted Answer

A)   the postsynaptic neuron is more likely to generate an action potential.
B)   the presynaptic neuron is more likely to generate an action potential.
C)   the action potential is canceled out.
D)   reuptake is inhibited.E) All of the above
F) A) and C)

Question 6

How do action potentials in a myelinated axon differ from action potentials in an unmyelinated axon?

Accepted Answer

A)   Action potentials are slower in myelinated axons because the myelin sheath interferes with the transfer of ions across the membrane.
B)   Action potentials jump from node to node in myelinated axons rather than progressing down the entire length of the axon.
C)   Action potentials have greater electrical charges in myelinated axons.
D)   Action potentials in myelinated axons operate according to the all-or-none law, but action potentials in unmyelinated axons do not.E) None of the above
F) B) and D)

Question 7

Define and give an example of an antagonist drug.

Accepted Answer

An antagonist drug is a type of medicati...

Question 8

The famous French surgeon Pierre Paul Broca developed the split-brain operation as a cure for epilepsy and aphasia.

Accepted Answer

A) True 
 B)False

Question 9

About 75 percent of left-handed people:

Accepted Answer

A)   are left-hemisphere dominant for language.
B)   are right-hemisphere dominant for language.
C)   are bilateral, using both hemispheres for language functions.
D)   are sometimes left-hemisphere dominant, sometimes right-hemisphere dominant, depending upon the nature of the speech or language task.E) A) and B)
F) A) and C)

Question 10

The primary communication link between the left and right cerebral hemispheres is called:

Accepted Answer

A)   the hypothalamus.
B)   the hippocampus.
C)   Broca's area.
D)   the corpus callosum.E) A) and B)
F) All of the above

Question 11

Research has shown that living in an enriched environment can affect the brain, but only in very young mammals.

Accepted Answer

A) True 
 B)False

Question 12

The brain's ability to physically change in response to learning, active practice, or environmental stimulation is called:

Accepted Answer

A)   lateralization of function.
B)   neurogenesis.
C)   structural plasticity.
D)   functional plasticity.E) A) and B)
F) A) and C)

Question 13

Psychologist Roger Sperry is best known for his:

Accepted Answer

A)   discovery of neurogenesis in the brains of rats.
B)   case studies of stroke patients with language difficulties.
C)   studies of rats that were raised in "impoverished" versus "enriched" environments.
D)   studies of split-brain patients.E) C) and D)
F) B) and D)

Question 14

What are endorphins, and what are their functions?

Accepted Answer

Endorphins are a group of peptide hormon...

Question 15

How does cocaine achieve its effects?

Accepted Answer

A)   It mimics dopamine.
B)   It interferes with the reuptake of dopamine.
C)   It mimics serotonin.
D)   It blocks the reuptake of endorphins.E) A) and D)
F) B) and C)

Question 16

The drug curare blocks acetylcholine receptor sites, causing virtually instantaneous paralysis. Thus, curare is an agonist.

Accepted Answer

A) True 
 B)False

Question 17

Which gland produces melatonin, a hormone that helps to regulate our sleep-wake cycle?

Accepted Answer

A)   the pineal gland
B)   the pituitary gland
C)   the pancreas
D)   the thyroid glandE) B) and D)
F) A) and B)

Question 18

Some simple forms of behavior, called spinal reflexes, occur without any involvement of the brain.

Accepted Answer

A) True 
 B)False

Question 19

The book refers to the axon membrane as a "gatekeeper." This means that the membrane:

Accepted Answer

A)   determines whether an action potential will pass through the axon.
B)   controls the balance of positive and negative ions in the interior and the exterior of the axon.
C)   operates in an all-or-none fashion: if it opens, neurotransmitters may pass through, and if it does not open, they may not.
D)   uses the nodes of Ranvier to allow some ions to move out of the axon and neurotransmitters to move into the axon.E) C) and D)
F) A) and B)

Question 20

Animal studies have shown that electrical stimulation of the amygdala produces:

Accepted Answer

A)   an almost instantaneous onset of sleep.
B)   awkward, clumsy behavior.
C)   grooming or mating behavior.
D)   feelings of fear.E) C) and D)
F) A) and B)

Exam 2: Neuroscience and Behavior

Animal studies have shown that electrical stimulation of the amygdala produces:

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What are endorphins, and what are their functions?

Correct AnswerAnswered by ExamLex AIEndorphins are a group of peptide hormon...View AnswerShow Answer

Psychologist Roger Sperry is best known for his:

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In reading these test questions, you are primarily using your _____ to understand what you are reading.

Correct AnswerverifiedShow Answer

The famous French surgeon Pierre Paul Broca developed the split-brain operation as a cure for epilepsy and aphasia.

Correct AnswerverifiedShow Answer

When neurotransmitters communicate an excitatory message to the postsynaptic neuron:

Correct AnswerverifiedShow Answer

Define and give an example of an antagonist drug.

Correct AnswerAnswered by ExamLex AIAn antagonist drug is a type of medicati...View AnswerShow Answer

How do action potentials in a myelinated axon differ from action potentials in an unmyelinated axon?

Correct AnswerverifiedShow Answer

How does cocaine achieve its effects?

Correct AnswerverifiedShow Answer

About 75 percent of left-handed people:

Correct AnswerverifiedShow Answer

The brain's ability to physically change in response to learning, active practice, or environmental stimulation is called:

Correct AnswerverifiedShow Answer

Research has shown that living in an enriched environment can affect the brain, but only in very young mammals.

Correct AnswerverifiedShow Answer

The primary communication link between the left and right cerebral hemispheres is called:

Correct AnswerverifiedShow Answer

A mentally stimulating, intellectually challenging environment is associated with enhanced cognitive functioning.

Correct AnswerverifiedShow Answer

The book refers to the axon membrane as a "gatekeeper." This means that the membrane:

Correct AnswerverifiedShow Answer

Which gland produces melatonin, a hormone that helps to regulate our sleep-wake cycle?

Correct AnswerverifiedShow Answer

Some simple forms of behavior, called spinal reflexes, occur without any involvement of the brain.

Correct AnswerverifiedShow Answer

The drug curare blocks acetylcholine receptor sites, causing virtually instantaneous paralysis. Thus, curare is an agonist.

Correct AnswerverifiedShow Answer

Dendrites receive information from other neurons.

Correct AnswerverifiedShow Answer

Broca is to _____ as Wernicke is to _____.

Correct AnswerverifiedShow Answer

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Endorphins are a group of peptide hormon...
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An antagonist drug is a type of medicati...
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Broca is to _ as Wernicke is to _.

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