The disorder multiple sclerosis results in destruction of myelin. Why do people with this disorder experience motor and sensory disturbances?

A. Their nerve cells die off.
B. Their axons are too thin.
C. Their neurons lose the ability to send signals.
D. Their nodes of Ranvier become enlarged.


Answer: C

Psychology

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The doctrine that natural processes are mechanically determined and capable of explanation by the laws of physics and chemistry is ____.?

a. ?reductionism b. ?materialism c. ?mechanism d. ?empiricism e. ?positivism

Psychology

Apolipoprotein E4 appears to play a role in a. depression

b. transient ischemic attack. c. Alzeimer's disease. d. Parkinson's disease.

Psychology

Which decision by the Supreme Court permitted traumatized children to testify via television rather than in the courtroom?

A. Bowers v. Hardwick B. Maryland v. Craig C. Jenkins v. United States D. Ballew v. Georgia

Psychology

Snarey (1995) conducted a cross-cultural study of Kohlberg's stages among cultural groups that are less technologically advanced and more rural, and found that

A) the same overall pattern of development emerged as in more advanced and urban cultures. B) people in these cultures develop in a different sequence of stages. C) people in these cultures move more slowly through the stages and achieve a lower end stage. D) people in these cultures develop more quickly through the stages.

Psychology