Question 1

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) A) and D)
F) B) and C)

Question 2

The capacity of a brain area to reorganize in response to damage is known as brain

Accepted Answer

A)   tomography.
B)   lateralization.
C)   resonance.
D)   plasticity.E) B) and D)
F) B) and C)

Question 3

In transmitting sensory information to the brain, an electrical signal travels from the ________ of a single neuron.

Accepted Answer

A)   dendrites to the axon to the cell body
B)   axon to the cell body to the dendrites
C)   dendrites to the cell body to the axon
D)   axon to the dendrites to the cell bodyE) None of the above
F) B) and D)

Question 4

The gland that regulates body growth is the

Accepted Answer

A)   adrenal.
B)   thyroid.
C)   hypothalamus.
D)   pituitary.E) A) and B)
F) All of the above

Question 5

Neural stimulation that exceeds a threshold triggers

Accepted Answer

A)   lateralization.
B)   homeostasis.
C)   an action potential.
D)   neurogenesis.E) A) and D)
F) A) and B)

Question 6

When the effect of one factor depends on the presence of another factor, outcomes are said to reflect a(n)

Accepted Answer

A)   lateralization.
B)   interaction.
C)   plasticity.
D)   tomography.E) A) and B)
F) None of the above

Question 7

The hypothalamus influences the ________ to send messages to the ________.

Accepted Answer

A)   cerebellum; amygdala
B)   pituitary; endocrine glands
C)   motor neurons; sensory neurons
D)   thalamus; angular gyrusE) B) and C)
F) A) and B)

Question 8

Acetylcholine is a neurotransmitter that

Accepted Answer

A)   causes sleepiness.
B)   lessens physical pain.
C)   reduces depressed moods.
D)   triggers muscle contractions.E) A) and B)
F) A) and C)

Question 9

Dr. Hernandez is studying neurotransmitter abnormalities in depressed patients. She would most likely consider herself be a ________ psychologist.

Accepted Answer

A)   personality
B)   psychodynamic
C)   psychoanalytic
D)   biologicalE) A) and B)
F) C) and D)

Question 10

The corpus callosum is a wide band of axon fibers that

Accepted Answer

A)   enables the left hemisphere to control the right side of the body.
B)   transmits information between the cerebral hemispheres.
C)   controls the glands and muscles of the internal organs.
D)   transfers neural impulses from the CNS to the PNS.E) A) and B)
F) A) and C)

Question 11

The somatic nervous system is a component of the ________ nervous system.

Accepted Answer

A)   peripheral
B)   central
C)   sympathetic
D)   parasympatheticE) B) and C)
F) A) and D)

Question 12

MRI scans have revealed that some patients with schizophrenia have unusually enlarged

Accepted Answer

A)   glial cells.
B)   ventricles.
C)   sensory neurons.
D)   association areas.E) A) and B)
F) B) and C)

Question 13

Conscious information processing is LEAST likely to be required for the automatic physical survival functions regulated by the

Accepted Answer

A)   hippocampus.
B)   sensory cortex.
C)   brainstem.
D)   frontal lobes.E) B) and C)
F) A) and D)

Question 14

Sir Charles Sherrington observed that impulses took an unexpectedly long time to travel a neural pathway. His observation provided evidence for the existence of

Accepted Answer

A)   association areas.
B)   synaptic gaps.
C)   interneurons.
D)   genes.E) B) and C)
F) B) and D)

Question 15

Severing a cat's reticular formation from higher brain regions causes the cat to

Accepted Answer

A)   become violently aggressive.
B)   cower in fear.
C)   experience convulsive seizures.
D)   lapse into a coma.E) None of the above
F) A) and C)

Question 16

The sequence of brain regions from the evolutionarily oldest to newest is

Accepted Answer

A)   limbic system, brainstem, cerebral cortex.
B)   brainstem, cerebral cortex, limbic system.
C)   limbic system, cerebral cortex, brainstem.
D)   brainstem, limbic system, cerebral cortex.E) All of the above
F) C) and D)

Question 17

The depolarization of a neural membrane can create a(n)

Accepted Answer

A)   action potential.
B)   myelin sheath.
C)   neural network.
D)   interneuron.E) A) and D)
F) A) and B)

Question 18

Reuptake refers to the

Accepted Answer

A)   movement of neurotransmitter molecules across a synaptic gap.
B)   release of hormones into the bloodstream.
C)   inflow of positively charged ions through an axon membrane.
D)   reabsorption of excess neurotransmitter molecules by a sending neuron.E) A) and B)
F) A) and C)

Question 19

Messages are transmitted from your spinal cord to your heart muscles by the

Accepted Answer

A)   limbic system.
B)   somatic nervous system.
C)   central nervous system.
D)   autonomic nervous system.E) B) and C)
F) All of the above

Question 20

Surgical destruction of brain tissue is called a(n)

Accepted Answer

A)   EEG.
B)   synapse.
C)   lesion.
D)   MRI.E) A) and C)
F) All of the above

Exam 2: The Biology of Behavior

Conscious information processing is LEAST likely to be required for the automatic physical survival functions regulated by the

Correct AnswerverifiedShow Answer

The somatic nervous system is a component of the ________ nervous system.

Correct AnswerverifiedShow Answer

The sequence of brain regions from the evolutionarily oldest to newest is

Correct AnswerverifiedShow Answer

Sir Charles Sherrington observed that impulses took an unexpectedly long time to travel a neural pathway. His observation provided evidence for the existence of

Correct AnswerverifiedShow Answer

Dr. Hernandez is studying neurotransmitter abnormalities in depressed patients. She would most likely consider herself be a ________ psychologist.

Correct AnswerverifiedShow Answer

Severing a cat's reticular formation from higher brain regions causes the cat to

Correct AnswerverifiedShow Answer

An axon is

Correct AnswerverifiedShow Answer

Reuptake refers to the

Correct AnswerverifiedShow Answer

The hypothalamus influences the ________ to send messages to the ________.

Correct AnswerverifiedShow Answer

The depolarization of a neural membrane can create a(n)

Correct AnswerverifiedShow Answer

Surgical destruction of brain tissue is called a(n)

Correct AnswerverifiedShow Answer

The capacity of a brain area to reorganize in response to damage is known as brain

Correct AnswerverifiedShow Answer

The corpus callosum is a wide band of axon fibers that

Correct AnswerverifiedShow Answer

In transmitting sensory information to the brain, an electrical signal travels from the ________ of a single neuron.

Correct AnswerverifiedShow Answer

Neural stimulation that exceeds a threshold triggers

Correct AnswerverifiedShow Answer

MRI scans have revealed that some patients with schizophrenia have unusually enlarged

Correct AnswerverifiedShow Answer

When the effect of one factor depends on the presence of another factor, outcomes are said to reflect a(n)

Correct AnswerverifiedShow Answer

The gland that regulates body growth is the

Correct AnswerverifiedShow Answer

Messages are transmitted from your spinal cord to your heart muscles by the

Correct AnswerverifiedShow Answer

Acetylcholine is a neurotransmitter that

Correct AnswerverifiedShow Answer

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The hypothalamus influences the to send messages to the .

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