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Stem cells can become other cells, such as blood cells, nerve cells, and brain cells.

A) True
B) False

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Axons __________.


A) may be up to a quarter of a mile long
B) carry messages away from a cell body
C) are primarily responsible for the hypothalamic functions of regulation and motivation of sexual functions
D) are contained within the cell nucleus

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

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One purpose of __________ is to speed up the neural message traveling down the axon.


A) the receptor site
B) axon terminals
C) myelin
D) a synaptic vesicle

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

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Assume that you are testing a split-brain human subject whose language center is in his left hemisphere. If you place a house key into his left hand, he will __________.


A) not be able to later select the object he was holding from a group of various objects
B) not be able to tell you what object he is presently holding
C) immediately be able to tell you what he is holding
D) be able to tell you what he is presently holding if allowed to think about it for several seconds

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

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How does the endocrine system influence behavior? Describe the functions of three glands and the hormones each secretes.

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The endocrine system influences behavior...

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The glands that secrete hormones directly into the bloodstream are called __________ glands.


A) lymph
B) exocrine
C) hippocampal
D) endocrine

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

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The site of many mental processes that are unique to humans (self-awareness, initiative, planning ability, and goal-directed behavior) is the __________ lobes.


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

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

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The cerebral cortex is severed in individuals who are considered to have a "split brain" in a surgery to stop epileptic seizures.

A) True
B) False

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Dendrites __________.


A) may be up to a quarter of a mile long
B) carry messages to cell bodies
C) are primarily responsible for the hypothalamic functions of regulation and motivation of sexual functions
D) are contained within the cell nucleus

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

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Individuals who have had their corpus callosum cut are said to have a __________.


A) split brain
B) disintegrating personality
C) cranial refraction
D) migraine headache

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

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Imani was in an automobile accident and suffered an injury to her brain, resulting in paralysis of her left arm. What part of Imani's brain was injured?


A) auditory association area
B) motor cortex
C) association areas
D) somatosensory cortex

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

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Ever since Trey suffered a brain injury by falling from a ladder, his wife has continued to tell his doctor that his personality has changed. He used to be fun loving and carefree, but he is now more critical and yells at his children for seemingly little reason. Trey is likely to have suffered damage to the __________ lobe of his cortex.


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

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

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Which of the following regions contains the primary visual cortex?


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

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

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Riley was driving through a rough part of town late at night when a stray bullet hit the front side of his head. Both the left and right sides of his prefrontal cortex were severely damaged. As a result of the accident, Riley most likely __________.


A) died from his injuries
B) suffered the loss of his arms and legs
C) lost his sense of hearing
D) suffered a change in personality

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

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Pavati is recovering from a blow to her head and finds that she has great difficulty maintaining her balance and coordinating her movements. Injury to which part of Pavati's brain is likely to be causing her difficulties?


A) cerebellum
B) medulla
C) cerebral cortex
D) thalamus

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

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Endocrine glands are glands that secrete __________.


A) excitory neurotransmitters
B) inhibitory neurotransmitters
C) hormones
D) enzymes

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

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The structure that connects the two hemispheres of the cerebral cortex is the __________.


A) corpus callosum
B) pineal gland
C) pons
D) reticular formation

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

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The two main divisions of the nervous system are the __________ and __________.


A) brain; spinal cord
B) autonomic nervous system; somatic nervous system
C) peripheral nervous system; central nervous system
D) glands; muscles

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

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The function of the neuron's axon is to __________.


A) carry messages to other cells
B) regulate the neuron's life processes
C) receive messages from neighboring neurons
D) insulate against leakage of electrical impulses

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

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Maria often sleeps soundly and rarely awakens to any outside noise. However, the cries of Maria's baby can awaken her immediately. What part of the brain is responsible for this reaction?


A) reticular formation
B) medulla
C) pons
D) cerebellum

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

Correct Answer

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