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The brain is most likely to compensate for a loss of neurons by


A) generating new neural cells in the brain.
B) increasing the speed of neural impulses.
C) inhibiting activity in the association areas.
D) decreasing the production of glial cells.

E) B) and C)
F) C) and D)

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When Mr.Valdez thought his 1-year-old daughter had fallen down the stairs,his heartbeat accelerated,his blood pressure rose,and he began to perspire heavily.Mr.Valdez's state of arousal was activated by his ________ nervous system.


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

E) A) and B)
F) All of the above

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Neurogenesis refers to


A) severing of the corpus callosum.
B) the formation of new neurons.
C) rewiring the brain.
D) stimulating neurons in the brain with implanted electrodes.

E) A) and D)
F) None of the above

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REM rebound involves the


A) tendency for REM sleep periods to become longer and more frequent as a normal night of sleep progresses.
B) increase in REM sleep that characteristically follows intense learning episodes or stressful daytime experiences.
C) unusual symptoms of tiredness and irritability that follow periods of REM sleep deprivation.
D) tendency for REM sleep to increase following REM sleep deprivation.

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

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Feelings of group togetherness and social trust are promoted by pituitary gland secretions of


A) acetylcholine.
B) epinephrine.
C) oxytocin.
D) dopamine.

E) A) and B)
F) A) and C)

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The benefits of brain plasticity are most clearly demonstrated in


A) children who have had a cerebral hemisphere surgically removed.
B) people paralyzed by a severed spinal cord.
C) individuals with Alzheimer's disease.
D) split-brain patients.

E) B) and D)
F) A) and B)

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


A) adrenal glands;pancreas
B) pituitary;endocrine glands
C) motor neurons;sensory neurons
D) somatic nervous system;autonomic nervous system

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

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Deaf people's enhanced peripheral and motion-detection vision has been attributed in part to


A) auditory hallucinations.
B) lateralization.
C) plasticity.
D) neurogenesis.

E) B) and C)
F) A) and B)

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A simple,automatic,inborn response to a sensory stimulus is called a(n)


A) neural network.
B) action potential.
C) neurotransmitter.
D) reflex.

E) A) and B)
F) None of the above

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During deep sleep,the ________ releases a hormone we need for muscle development.


A) adrenal gland
B) suprachiasmic nucleus
C) pituitary gland
D) thyroid gland

E) B) and D)
F) All of the above

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Reuptake refers to the


A) movement of neurotransmitter molecules across a synaptic gap.
B) release of hormones into the bloodstream.
C) resting pause that occurs after a neuron has fired.
D) reabsorption of excess neurotransmitter molecules by a sending neuron.

E) A) and D)
F) None of the above

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Stimulation of the reticular formation will cause a


A) sleeping cat to awaken.
B) hungry cat to stop eating.
C) violent cat to become passive.
D) thirsty cat to drink.

E) B) and C)
F) B) and D)

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Most people would not advocate pushing one person in front of a runaway train to save five others.But those with damage to the ________ often do.


A) hippocampus
B) corpus callosum
C) somatosensory cortex
D) frontal lobe association areas

E) B) and C)
F) B) and D)

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You suddenly become conscious that your own nose is in your line of vision when this is pointed out to you.This best illustrates the impact of


A) parallel processing.
B) change blindness.
C) neurogenesis.
D) selective attention.

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

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Jeremy spent several sleepless nights studying for final exams.During the first few days after the semester ended,he averaged nearly 12 hours of sleep.He then settled back to 7.5 to 9 hours of sleep a day.The unusually lengthy sleep time of the first few days after exams suggests that Jeremy ended the semester with


A) sleep apnea.
B) narcolepsy.
C) low melatonin levels.
D) a sleep debt.

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

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Sleep deprivation ________ levels of the hormone ghrelin and ________ levels of the hormone leptin.


A) increases;increases
B) decreases;decreases
C) increases;decreases
D) decreases;increases

E) B) and D)
F) All of the above

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The classic case of railroad worker Phineas Gage best illustrated that frontal lobe damage can


A) trigger muscle spasms.
B) enhance moral reasoning skills.
C) alter one's personality.
D) facilitate neurogenesis.

E) A) and B)
F) B) and D)

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People who suffer partial paralysis as a result of damage to the ________will sometimes obstinately claim they can move a paralyzed limb.


A) right cerebral hemisphere
B) corpus callosum
C) left cerebral hemisphere
D) occipital lobes

E) A) and D)
F) All of the above

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By applying mild electrical stimulation to parts of an animal's cortex,Gustav Fritsch and Eduard Hitzig triggered body movements.They discovered what is now called the


A) motor cortex.
B) visual cortex.
C) auditory cortex.
D) somatosensory cortex.

E) All of the above
F) B) and D)

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Which theory emphasizes that dreams simulate reality by drawing on our current understandings of reality?


A) wish-fulfillment theory
B) random neural activation theory
C) REM rebound theory
D) cognitive development theory

E) A) and D)
F) None of the above

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