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81. Which of the following true of the neurotransmitter serotonin? A.

Question : 81. Which of the following true of the neurotransmitter serotonin? A. : 1411869

 

81. Which of the following is true of the neurotransmitter serotonin?

A. Its deficiency is responsible for Parkinson disease.

B. Its excess is responsible for depression.

C. It is involved in the regulation of mood and attention.

D. It is not involved in the regulation of sleep.

82. Dominic is a marathon runner. He admits that whenever he runs, he feels euphoric. He cannot begin his day without running for an hour. In the context of neurotransmitters, which of the following is most likely responsible for his feelings of pleasure from running?

A. The action of serotonin depletion during physical exertion

B. The extended “high” from GABA reuptake

C. The compensatory effects of acetylcholine

D. The release of endorphins

83. Which of the following best describes the function of endorphins?

A. They regulate sleep, wakefulness, mood, attention, and the process of learning.

B. They control alertness.

C. They control agitation.

D. They shield the body from pain and elevate feelings of pleasure.

84. Which of the following neurotransmitters is released in excess during the onset of lactation and breastfeeding in mothers who have just given birth?

A. Serotonin

B. Acetylcholine

C. Oxytocin

D. Dopamine

85. The release of which of the following hormones and neurotransmitters plays an important role in the experience of love and social bonding?

A. Dopamine

B. Acetylcholine

C. Serotonin

D. Oxytocin

86. Based on the provocative research that has linked oxytocin to stress, if Julia finds herself in a stressful situation she is most likely to:

A. run away from the situation.

B. stay and confront the stressor.

C. seek support from a friend.

D. react as if nothing is wrong.

87. Which of the following is a significance of the brain lesioning process?

A. It assesses the amount of glucose in the various brain regions.

B. It gives a three-dimensional view of various brain regions.

C. It gives a sense of the functions of the damaged brain regions.

D. It assesses the amount of radioactivity in several brain regions.

88. Harry has been diagnosed with epilepsy by his neurologist, Dr. Craig. Which of the following should Dr. Craig use to assess Harry’s epilepsy by studying his brain-wave activity?

A. Electrooculography

B. Electromyography

C. Electroencephalography

D. Electrocardiography

89. A(n) _____ records the brain’s electrical activity by placing electrodes on the scalp.

A. electroencephalograph (EEG)

B. echocardiogram (ECG)

C. computerized axial tomography (CAT scan)

D. positron-emission tomography (PET scan)

90. Sasha, a researcher, is working on a project on the human brain. Part of her research requires her to place electrodes on the scalps of her subjects to study their brain-wave activity. In this scenario, Sasha is most likely using _____.

A. an electroencephalograph (EEG)

B. positron-emission tomography (PET scan)

C. functional magnetic resonance imaging (fMRI)

D. an echocardiogram (ECG)

 

 

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