Question 1

After ingesting a poisonous substance,Alex experienced a temporary muscular paralysis.The poison most likely interfered with the normal functioning of the neurotransmitter

Accepted Answer

A)   serotonin.
B)   dopamine.
C)   acetylcholine.
D)   norepinephrine.E) All of the above
F) None of the above

Question 2

Which of the following is a major source of genetic diversity?

Accepted Answer

A)   mutations
B)   epigenetic marks
C)   adaptive flexibility
D)   free-floating stress hormonesE) B) and D)
F) B) and C)

Question 3

The ability to recognize faces with the right hemisphere but not with the left hemisphere best illustrates

Accepted Answer

A)   brain fissures.
B)   neurogenesis.
C)   plasticity.
D)   lateralization.E) None of the above
F) B) and D)

Question 4

Chromosomes are located within human

Accepted Answer

A)   bone cells.
B)   genes.
C)   neurotransmitters.
D)   DNA.E) All of the above
F) B) and C)

Question 5

A loss of physical coordination and balance is most likely to result from damage to the

Accepted Answer

A)   hypothalamus.
B)   cerebellum.
C)   hippocampus.
D)   amygdala.E) A) and B)
F) A) and C)

Question 6

An axon is

Accepted Answer

A)   a cell that serves as the basic building block of the nervous system.
B)   a layer of fatty tissue that encases the fibers of many neurons.
C)   a molecule that blocks neurotransmitter receptor sites.
D)   the extension of a neuron that carries messages away from the cell body.E) B) and C)
F) A) and B)

Question 7

Some researchers believe that a reward deficiency syndrome contributes to

Accepted Answer

A)   schizophrenia.
B)   amygdala lesions.
C)   muscular paralysis.
D)   substance use disorders.E) None of the above
F) All of the above

Question 8

The branching extensions of nerve cells that receive incoming signals from sensory receptors or from other neurons are called the

Accepted Answer

A)   axons.
B)   synapses.
C)   dendrites.
D)   neurotransmitters.E) A) and B)
F) B) and C)

Question 9

James Olds and Peter Milner located reward centers in the brain structure known as the

Accepted Answer

A)   hypothalamus.
B)   cerebellum.
C)   medulla.
D)   amygdala.E) B) and C)
F) A) and B)

Question 10

An electrically charged atom is called a(n)

Accepted Answer

A)   antagonist.
B)   ion.
C)   action potential.
D)   radioactive tracer.E) A) and B)
F) A) and C)

Question 11

While listening to operatic solos,musicians process the lyrics and the tunes in separate brain areas.This most clearly illustrates the functioning of different

Accepted Answer

A)   neurotransmitters.
B)   parathyroids.
C)   neural networks.
D)   reflex systems.E) A) and B)
F) A) and C)

Question 12

Neurons are surrounded by ________,which guide neural connections and mop up ions and neurotransmitters.

Accepted Answer

A)   endorphins
B)   glial cells
C)   hormones
D)   agonistsE) A) and C)
F) B) and C)

Question 13

Excitatory signals to a neuron must exceed inhibitory signals by a minimum intensity in order to trigger

Accepted Answer

A)   reuptake.
B)   a refractory period.
C)   an action potential.
D)   selective permeability.E) All of the above
F) A) and B)

Question 14

The resting potential of an axon results from the fact that an axon membrane is

Accepted Answer

A)   encased by a myelin sheath.
B)   selectively permeable.
C)   sensitive to neurotransmitter molecules.
D)   part of a larger neural network.E) A) and B)
F) None of the above

Question 15

Neurotransmitters are released from knob-like terminals at the end of the

Accepted Answer

A)   dendrites.
B)   cell body.
C)   axon.
D)   myelin sheath.E) None of the above
F) All of the above

Question 16

Depressed mood states are linked to ________ levels of serotonin and ________ levels of norepinephrine.

Accepted Answer

A)   low;low
B)   high;high
C)   low;high
D)   high;lowE) A) and B)
F) B) and C)

Question 17

The study of how our behavior and mind have changed in adaptive ways over time due to natural selection is called

Accepted Answer

A)   epigenetics.
B)   evolutionary psychology.
C)   behavior genetics.
D)   genome research.E) A) and D)
F) B) and C)

Question 18

The brain's information-processing capacities are most clearly enhanced by

Accepted Answer

A)   neural networks.
B)   ACh agonists.
C)   endorphins.
D)   reflexes.E) None of the above
F) A) and B)

Question 19

Applying mild electrical stimulation to parts of an animal's cortex,Gustav Fritsch and Edward Hitzig discovered what is now called the

Accepted Answer

A)   motor cortex.
B)   visual cortex.
C)   auditory cortex.
D)   somatosensory cortex.E) All of the above
F) B) and C)

Question 20

When confronted by a large and potentially dangerous snake,Alissa experienced a surge of energy triggered by the release of ________ into her bloodstream.

Accepted Answer

A)   epinephrine
B)   oxytocin
C)   endorphins
D)   serotoninE) A) and D)
F) A) and C)

Exam 2: The Biology of Behavior

The resting potential of an axon results from the fact that an axon membrane is

Correct AnswerverifiedShow Answer

Some researchers believe that a reward deficiency syndrome contributes to

Correct AnswerverifiedShow Answer

A loss of physical coordination and balance is most likely to result from damage to the

Correct AnswerverifiedShow Answer

When confronted by a large and potentially dangerous snake,Alissa experienced a surge of energy triggered by the release of ________ into her bloodstream.

Correct AnswerverifiedShow Answer

Applying mild electrical stimulation to parts of an animal's cortex,Gustav Fritsch and Edward Hitzig discovered what is now called the

Correct AnswerverifiedShow Answer

Excitatory signals to a neuron must exceed inhibitory signals by a minimum intensity in order to trigger

Correct AnswerverifiedShow Answer

An electrically charged atom is called a(n)

Correct AnswerverifiedShow Answer

After ingesting a poisonous substance,Alex experienced a temporary muscular paralysis.The poison most likely interfered with the normal functioning of the neurotransmitter

Correct AnswerverifiedShow Answer

While listening to operatic solos,musicians process the lyrics and the tunes in separate brain areas.This most clearly illustrates the functioning of different

Correct AnswerverifiedShow Answer

Neurons are surrounded by ________,which guide neural connections and mop up ions and neurotransmitters.

Correct AnswerverifiedShow Answer

Depressed mood states are linked to ________ levels of serotonin and ________ levels of norepinephrine.

Correct AnswerverifiedShow Answer

Which of the following is a major source of genetic diversity?

Correct AnswerverifiedShow Answer

The ability to recognize faces with the right hemisphere but not with the left hemisphere best illustrates

Correct AnswerverifiedShow Answer

The branching extensions of nerve cells that receive incoming signals from sensory receptors or from other neurons are called the

Correct AnswerverifiedShow Answer

Neurotransmitters are released from knob-like terminals at the end of the

Correct AnswerverifiedShow Answer

Chromosomes are located within human

Correct AnswerverifiedShow Answer

An axon is

Correct AnswerverifiedShow Answer

The study of how our behavior and mind have changed in adaptive ways over time due to natural selection is called

Correct AnswerverifiedShow Answer

The brain's information-processing capacities are most clearly enhanced by

Correct AnswerverifiedShow Answer

James Olds and Peter Milner located reward centers in the brain structure known as the

Correct AnswerverifiedShow Answer

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Depressed mood states are linked to levels of serotonin and levels of norepinephrine.

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