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The largest and most complex part of the human brain is the ​


A) medulla.
B) cerebrum.
C) cerebellum.
D) limbic system.

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

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Patients with damage to Wernicke's area have sustained damage to the _____ lobe and will have trouble understanding speech.

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Imagine taking a bite of a pizza. Briefly discuss the role that each part of the brain plays in this simple act.

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If inhibitory postsynaptic potentials did not exist, ​


A) it would be "easier" for a neuron to fire its action potential.
B) it would be "harder" for a neuron to fire its action potential.
C) there would not be any effect on the ease at which a neuron fires its action potential.
D) it would be impossible for neural impulses to travel across the synapse.

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

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If electrical stimulation of a brain structure results in an animal's eating constantly and gaining weight rapidly, the structure stimulated MOST likely is the ​


A) frontal lobe.
B) thalamus.
C) hypothalamus.
D) limbic system.

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

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Some theorists believe that a sort of "executive control system," which is responsible for monitoring, directing, and organizing thought processes, is housed in the ​


A) corpus callosum.
B) prefrontal cortex.
C) hindbrain.
D) medial forebrain bundle.

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

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B

The neurotransmitter(s) released by motor neurons that results in movement of the voluntary muscles is(are) ​


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

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

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Synaptic vesicles are structures that ​


A) control the speed with which a neuron fires.
B) manufacture myelin.
C) store neurotransmitters.
D) provide energy for a neuron's activity.

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

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C

Sigourney's doctors think she might have a tumor, and they would like to use a brain-imaging technique that will provide them with an accurate image of her brain structure.  They are MOST likely to use


A) a positron emission tomography (PET) scan.
B) a computerized tomography (CT) scan.
C) electrical stimulation of the brain (ESB) .
D) an electroencephalograph (EEG) recording.

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

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B

Which of the following kinds of studies can truly demonstrate that specific traits are indeed inherited?


A) Family studies
B) T win studies
C) Adoption studies
D) No studies have yet provided definitive information on inheritance.

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

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Theodore suffered a stroke recently, and now he constantly hears a buzzing sound in his ears. The stroke likely occurred in Theodore's _____ lobe(s) .


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

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

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_____ nerves transmit information to the central nervous system, while _____ nerves carry out instructions from the central nervous system. ​


A) Afferent; efferent
B) Motor; sensory
C) Somatic; autonomic
D) Autonomic; skeletal

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

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Cells found in the nervous system that support neurons by removing waste products are known as


A) neurotransmitters.
B) myelin sheaths.
C) glia.
D) synapses.

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

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When you are walking, the brain sends messages to the skeletal muscles in the legs by way of _____ fibers.


A) efferent
B) sensory
C) afferent
D) central

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

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Which of the following brain structures is MOST closely associated with the regulation of emotion?


A) Cerebellum
B) R eticular formation
C) B rainstem
D) L imbic system

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

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Peggy smells a very strong odor; Harry smells an odor that is barely detectable. Based on what is known about neural transmission, you could predict that the action potentials will


A) travel more quickly in Peggy's system because the stimulus is more intense.
B) be weaker in Harry's system because the stimulus is less intense.
C) travel a shorter distance in Peggy's system because the stimulus is more intense.
D) fire more rapidly in Peggy's system because of the stronger stimulus.

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

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Elizabeth just caught sight of a red hummingbird. The neural impulses from her eye will eventually travel to her occipital lobe, but first they must pass through the


A) hypothalamus.
B) thalamus.
C) reticular formation.
D) amygdale.

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

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Which of the following parts of the brain is MOST likely to play a major role in the work of artists, architects, and engineers, who must rely heavily on visual-spatial skills?


A) R ight hemisphere
B) Left hemisphere
C) C erebellum
D) C orpus callosum

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

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People sometimes report a feeling of euphoria following a period of vigorous exercise. This is MOST likely due to the effects of ​


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

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

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You are about to give your first speech and are nervous. As you anticipate getting up in front of your speech class, you begin to feel butterflies in your stomach and a pounding in your chest. Explain how the sympathetic and parasympathetic divisions of the autonomic nervous system would work together to help your body react to this situation.

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As you prepare to go to class, the auton...

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