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When allowed to sleep 9 hours a night on a regular basis,college students are most likely to


A) experience REM rebound.
B) study more effectively.
C) show signs of sleep apnea.
D) demonstrate apathy and loss of energy.

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Signal reception is to ________ as signal transmission is to ________.


A) dopamine;serotonin
B) dendrite;axon
C) neurotransmitter;hormone
D) sympathetic nervous system;parasympathetic nervous system

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Attention to her long-term educational goals enables Alicia to avoid thoughtlessly skipping difficult class assignments.This best illustrates the adaptive value of


A) change blindness.
B) consciousness.
C) the circadian rhythm.
D) REM rebound.

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Margie insists that she never dreams,but her roommate feels she can prove otherwise.To prove that Margie does dream,the roommate should


A) feed Margie lots of rich food just before bedtime.
B) make an all-night audio recording of the sounds Margie makes while sleeping.
C) wake Margie after she has been asleep for about 5 minutes and ask her what she's dreaming.
D) wake Margie after 5 minutes of REM sleep and ask her what she's dreaming.

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Acetylcholine is a neurotransmitter that


A) causes sleepiness.
B) lessons physical pain.
C) reduces depressed moods.
D) enables muscle action.

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The vast majority of neurons in the body's information system are


A) glial cells.
B) interneurons.
C) motor neurons.
D) sensory neurons.

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The release of hormones by the adrenal glands is most likely to trigger


A) depression.
B) the fight-or-flight response.
C) the pain reflex.
D) a refractory period.

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A biological psychologist would be most interested in conducting research on the relationship between


A) neurotransmitters and depression.
B) age and bone density.
C) self-esteem and popularity.
D) genetics and eye color.

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Three hours after she goes to sleep,Shoshanna's heart rate increases,her breathing becomes more rapid,and her eyes move rapidly under her closed lids.Research suggests that Shoshanna is


A) dreaming.
B) emitting delta waves.
C) about to sleepwalk.
D) experiencing a night terror.

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Which of the following is an opiate that elevates mood and eases pain?


A) GABA
B) acetylcholine
C) morphine
D) glutamate

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The reuptake of a neurotransmitter such as serotonin would involve the reabsorption of serotonin into a(n)


A) axon terminal.
B) dendrite.
C) myelin sheath.
D) glial cell.

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Evidence that dreams reflect the brain maturation and style of thinking associated with a dreamer's age and life experience would best support the ________ theory of dream content.


A) wish-fulfillment
B) REM rebound
C) memory consolidation
D) cognitive development

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


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

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The reticular formation is a nerve network that travels through the ________ into the thalamus.


A) brainstem
B) amygdala
C) hypothalamus
D) cerebellum

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


A) axons.
B) synapses.
C) dendrites.
D) neurotransmitters.

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The impact of circadian rhythms is best illustrated by


A) the differing musical preferences of younger and older persons.
B) fluctuations in energy level and alertness across the span of a day.
C) the different study habits of men and women.
D) the different personalities of people born during different months of the year.

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The parietal lobes are to ________ as the occipital lobes are to ________.


A) hearing;speaking
B) sensing touch;seeing
C) tasting;smelling
D) speaking;seeing

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To excite or inhibit an action potential in a receiving neuron,a neurotransmitter must cross the


A) axon.
B) synaptic gap.
C) myelin sheath.
D) endocrine glands.

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Activation of the sympathetic nervous system ________ blood sugar levels and ________ the pupils of the eyes.


A) lowers;dilates
B) raises;contracts
C) lowers;contracts
D) raises;dilates

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The medulla is to the control of ________ as the cerebellum is to the control of ________.


A) eating;sleeping
B) breathing;walking
C) emotion;motivation
D) memory;attention

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