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Over the course of several months and for no apparent reason, Jennifer became progressively more despondent, withdrawn, and listless. Her doctor accurately diagnosed the problem as major depressive disorder and started Jennifer on an antidepressant drug called Prozac. Three weeks later, Jennifer showed much improvement. Like some other antidepressant drugs, Prozac works by _____ the availability of _____ in the brain.


A) increasing; serotonin
B) decreasing; dopamine
C) increasing; endorphins
D) decreasing; acetylcholine

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

Correct Answer

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Which letter points to the brain structure that controls vital life functions, such as breathing, heartbeat, and digestion? Which letter points to the brain structure that controls vital life functions, such as breathing, heartbeat, and digestion?   A) corpus callosum B) pons C) cerebellum D) medulla


A) corpus callosum
B) pons
C) cerebellum
D) medulla

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

Correct Answer

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What keeps an action potential continuing down an axon?


A) At each successive segment of the axon, the action potential is regenerated by depolarization and the movement of ions across the axon's membrane.
B) Neurotransmitters are constantly being released to generate the action potential at each successive segment of the axon.
C) Action potentials are conducted down the axon just as electricity is conducted through a wire.
D) Ion channels open and close at the nodes of Ranvier, allowing neurotransmitters to enter into the axon and regenerate an action potential at each node.

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

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The most common form of communication between neurons is:


A) chemical.
B) electrical.
C) magnetic.
D) hormonal.

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

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_____ provide connections between neurons and blood vessels.


A) Microglia
B) Astrocytes
C) Oligodendrocytes
D) Schwann cells

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

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Which of the following results have NOT been reported in rats that have been raised in an enriched environment as compared to rats raised in an impoverished environment?


A) increased number of synapses and synaptic connections
B) thicker myelin sheaths and an increased number of axons
C) increased length of dendrites and more dendritic branches
D) increase in the number of glial cells

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

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After too many drinks at a party, your friend awkwardly stumbles into a table, almost knocking it over. Your friend's coordination for simple actions, such as walking between two tables, is reduced because the alcohol has affected his:


A) medulla.
B) cerebellum.
C) thalamus.
D) somatosensory cortex.

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

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Which of the following brain structures is NOT a key component of the limbic system?


A) the reticular formation
B) the amygdala
C) the hippocampus
D) the hypothalamus

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

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Which of the following drugs mimics the neurotransmitter acetylcholine?


A) Prozac
B) L-dopa
C) nicotine
D) morphine

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

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Because it is an opioid _____, naloxone prevents or reverses the effects of opioid drugs and can be used to treat an overdose of heroin or similar drugs.


A) endorphin
B) SSRI
C) agonist
D) antagonist

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

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The signals for voluntary muscle movements originate in a band of tissue called the _____, which is located on the _____ lobe.


A) primary motor cortex; parietal
B) somatosensory cortex; parietal
C) primary motor cortex; frontal
D) association area; occipital

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

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While taking this test, you have probably paid little attention to ongoing body functions, such as breathing, heartbeat, and digestion. Such involuntary bodily functions are governed by the:


A) somatic nervous system.
B) cerebrospinal fluid.
C) spinal reflexes.
D) autonomic nervous system.

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

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Your pencil starts to roll off the desk and in a smooth, coordinated fashion you grab it just before it rolls off the edge. Your ability to perform this action MOSTLY involved which of the following brain areas?


A) the cerebellum
B) the hippocampus
C) the amygdala
D) Broca's area

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

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Based on research with split-brain patients, we know that the _____ hemisphere is specialized for _____.


A) left; emotional and nonverbal aspects of communication
B) right; visual perception tasks
C) right; language abilities
D) left; artistic and musical appreciation

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

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The popularity of phrenology triggered scientific interest in which of the following?


A) the idea that the brain's left hemisphere might be specialized for language functions
B) the development of medications to treat severe mental disorders
C) cutting the corpus callosum to reduce epileptic seizures
D) the idea that specific psychological and mental functions are located in specific brain areas

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

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Which letter points to the structure connecting the two cerebral hemispheres? Which letter points to the structure connecting the two cerebral hemispheres?   A) corpus callosum B) pons C) cerebellum D) medulla


A) corpus callosum
B) pons
C) cerebellum
D) medulla

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

Correct Answer

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After surgery, physicians may prescribe a medication to relieve pain. Such a medication would most likely mimic the effects of:


A) pepsin.
B) endorphins.
C) serotonin.
D) GABA.

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

Correct Answer

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Your roommate insists that the right hemisphere of the brain primarily contributes to creativity and intuition. Is your roommate correct?


A) No. There is no evidence that the right hemisphere is any more intuitive or creative than the left hemisphere.
B) Yes. Brain scans show that highly creative people have greater activation in the right hemisphere of the brain.
C) Yes and no. The right hemisphere of the brain is responsible for creativity, while the left hemisphere contributes to intuition.
D) Yes and no. The right hemisphere of the brain is responsible for intuition, while the left hemisphere contributes to creativity.

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

Correct Answer

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The chapter prologue described a young university professor named Asha who suffered a stroke. Following her stroke, Asha's ability to speak was not impaired, but she was unable to read and often had difficulty understanding what was said to her. Asha showed many of the symptoms that characterize:


A) right-hemisphere damage.
B) Broca's aphasia.
C) Parkinson's disease.
D) Wernicke's aphasia.

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

Correct Answer

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The physical arousal that accompanies the fight-or-flight response involves the activation of which of the following endocrine glands?


A) the testes in males and the ovaries in females
B) the pineal gland
C) the thyroid gland
D) the adrenal medulla

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

Correct Answer

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