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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) glial cell.
D) endocrine glands.

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

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

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Motor neurons transmit signals to


A) glands.
B) interneurons.
C) sensory neurons.
D) all of these parts.

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

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An action potential refers to a


A) neural impulse.
B) synaptic gap.
C) neurotransmitter.
D) reflex.

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

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Dr. Hernandez is studying neurotransmitter abnormalities in depressed patients. She would most likely be working from a ________ perspective.


A) personality
B) phrenologist
C) psychoanalyst
D) biological

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

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A slap on the back is more painful than a pat on the back because a slap triggers


A) the release of endorphins.
B) more intense neural impulses.
C) the release of GABA.
D) more neurons to fire, and to fire more often.

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

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


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

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

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Some researchers believe that addictive disorders such as alcohol dependence may be linked to


A) neurogenesis.
B) hemispherectomy.
C) ACh antagonists.
D) a reward deficiency syndrome.

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

Correct Answer

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After he suffered a stroke, Mr. Santore's physical coordination skills and responsiveness to sensory stimulation quickly returned to normal. Unfortunately, however, he could no longer figure out how to find his way around his neighborhood. It is most likely that Mr. Santore suffered damage to his


A) cerebellum.
B) thalamus.
C) hypothalamus.
D) association areas.

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

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Research participants preferred specific vacation destinations they had simply imagined themselves experiencing if the imagination process followed consumption of a drug that increased levels of


A) cortisol.
B) dopamine.
C) ACh.
D) GABA.

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

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People's moral judgments are most likely to seem unrestrained by normal emotions if they have suffered damage to their


A) cerebellum.
B) sensory cortex.
C) corpus callosum.
D) frontal cortex.

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

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In a clinical trial of a brain-computer interface with paralyzed humans, a 25-year-old man constructed shapes on a computer screen by activating neurons in his


A) hypothalamus.
B) cerebellum.
C) motor cortex.
D) amygdala.

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

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In Roger Sperry's view, the brain creates and controls the mind, which in turn influences the brain. Sperry understands the mind and brain as a


A) cognitive neural prosthetic.
B) holistic system.
C) reward center.
D) complex machine.

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

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The best way to detect enlarged fluid-filled brain regions in some patients who have schizophrenia is to use a(n)


A) EEG.
B) MRI.
C) PET scan.
D) brain lesion.

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

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Some neurons enable you to grasp objects by relaying outgoing messages to the muscles in your arms and hands. These neurons are called


A) glial cells.
B) sensory neurons.
C) neural prosthetics.
D) motor neurons.

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

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Cortisol is a stress hormone released by the


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

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

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Neurons that function within the brain and spinal cord are called


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

E) None of the above
F) All of the above

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Which lobe of the cerebral cortex is most directly involved in speaking?


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

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

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One function of glial cells is to


A) control heartbeat and breathing.
B) mimic the effects of neurotransmitters.
C) provide nutrients to interneurons.
D) stimulate the production of hormones.

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

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Information from higher brain regions is transmitted to the medulla through the


A) corpus callosum.
B) hippocampus.
C) amygdala.
D) thalamus.

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

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