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Which neural center in the limbic system plays a central role in emotions such as aggression and fear?


A) amygdala
B) thalamus
C) cerebellum
D) medulla

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

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An axon is


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) an antagonist molecule that blocks neurotransmitter receptor sites.
D) the extension of a neuron that carries messages away from the cell body.

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

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A football quarterback can simultaneously make calculations of receiver distances, player movements, and gravitational forces. This best illustrates the activity of multiple


A) endocrine glands.
B) endorphin agonists.
C) neural networks.
D) reticular formations.

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

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Epinephrine and norepinephrine are released by the


A) thyroid gland.
B) pituitary gland.
C) adrenal glands.
D) pancreas.

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

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José has just played a long, bruising football game but feels little fatigue or discomfort. His lack of pain is most likely caused by the release of


A) glutamate.
B) dopamine.
C) acetylcholine.
D) endorphins.

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

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The sensory cortex is located in the ________ lobes.


A) parietal
B) temporal
C) frontal
D) occipital

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

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Surgical destruction of brain tissue is called a(n)


A) EEG.
B) synapse.
C) lesion.
D) MRI.

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

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The brain research technique that involves monitoring the brain's usage of glucose is called (in abbreviated form) the


A) PET scan.
B) fMRI.
C) EEG.
D) MRI.

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

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


A) become violently aggressive.
B) cower in fear.
C) experience convulsive seizures.
D) lapse into a coma.

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

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The minimum level of stimulation required to trigger a neural impulse is called the


A) reflex.
B) threshold.
C) synapse.
D) action potential.

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

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Dr. Wolski conducts research on the potential relationship between neurotransmitter deficiencies and mood states. Dr. Wolski's research focus is most characteristic of


A) phrenology.
B) the biological perspective.
C) psychoanalysis.
D) social psychology.

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

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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

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

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The thalamus serves as a


A) memory bank.
B) reward center.
C) sensory switchboard.
D) master gland.

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

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When Jenny saw that a large barking dog was enclosed by a very high fence, her racing heartbeat began to slow. The slowed heartbeat was most directly regulated by her


A) angular gyrus.
B) parasympathetic nervous system.
C) somatic nervous system.
D) sympathetic nervous system.

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

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The reabsorption of excess neurotransmitter molecules by a sending neuron is called


A) an action potential.
B) neurogenesis.
C) plasticity.
D) reuptake.

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

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The parasympathetic nervous system is a division of the ________ nervous system.


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

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

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The selective permeability of a neural membrane creates a


A) myelin sheath.
B) resting potential.
C) neural network.
D) lesion.

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

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Addictive disorders may stem from malfunctioning reward centers in the


A) thalamus.
B) cerebellum.
C) reticular formation.
D) limbic system.

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

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The cortical regions that are NOT directly involved in sensory or motor functions are known as


A) the limbic system.
B) frontal lobes.
C) association areas.
D) parietal lobes.

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

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The parasympathetic nervous system


A) stimulates digestion and slows heartbeat.
B) inhibits digestion and accelerates heartbeat.
C) stimulates digestion and accelerates heartbeat.
D) inhibits digestion and slows heartbeat.

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

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