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Exam 4: The Brain and Nervous System

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Question 101

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_______________ is a procedure used by researchers as a "virtual" and temporary method to lesion the brain that temporarily inactivates neural circuits.

A) Transcranial magnetic stimulation
B) Functional magnetic resonance imaging
C) Electroencephalogram
D) Positron-emission tomography

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Question 102

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The central nervous system consists of the:

A) parasympathetic and sympathetic divisions.
B) brain and the spinal cord.
C) muscles and glands.
D) sense organs and sensory neurons.

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Question 103

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A functional magnetic resonance imaging technique can capture brain changes:

Which of the following is a possible effect of sex hormones?

Suppose you come across an article on a news website. According to the article, a new study has found anatomical differences between the male and female brain that explain why men and women "don't see eye-to-eye on so many topics." What are some reasons why you should be skeptical of this type of claim?

Glutamate is the major excitatory neurotransmitter in the brain.

Each brain hemisphere receives information from the eyes about the opposite side of the visual field.

Which of the following lobes of the brain is involved in the ability to do a series of tasks in proper sequence and then to stop doing these tasks at the proper time?

Sex differences in the brain could be the result rather than the cause of behavioral differences between men and women.

The cerebral cortex in humans is less crumbled than in other mammals.

The autonomic nervous system controls skeletal muscles.

Most recreational drugs produce their effects by:

The only sense that completely bypasses the thalamus in the brain is touch.

Chemical substances in the nervous system that are similar in structure and in action to opiates-such as heroin and morphine-are:

Generally speaking, the _______________ hemisphere in the brain is in charge of the left side of the body.

What does fMRI tell us that structural MRI does not?

Adrenal hormones are produced by the glands:

Many axons, especially the larger ones, are insulated with a myelin sheath. Write an essay on the importance of the myelin sheath, making sure to incorporate the following information: -What kind of cells make up the myelin sheath? -What does the myelin sheath look like? -What are two purposes of the myelin sheath? -What happens when a person experiences the loss of myelin?

The _______________ receives, processes, interprets, and stores incoming information from the senses and also sends out messages destined for muscles, glands, and internal organs.

What are the names and roles of the four lobes of the cerebral cortex?