Patients suffering from congenital insensitivity to pain frequently die due to injuries they did not know they had or perform risky behaviors that would severely hurt other people. This disease can be caused by ______.

A. mutated, nonfunctioning sodium channels in pain neurons
B. depleted endorphin levels
C. mutation of a gene, which results in significant loss of myelinated neurons
D. decreased levels of opioids


Answer: A

Psychology

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According to the discussion of older women as grandmothers,

a. stereotypes about older women tend to be reasonably accurate in their representation of grandmothers. b. grandmothers and grandfathers tend to be equally involved in their grandchildren's lives. c. in Black and Native American families, grandmothers may be expected to provide support and advice to their grandchildren. d. researchers have conducted far more studies on the grandmother role than on any other component of older women's lives.

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A histogram can be described as a type of

a. bar graph. b. polygon. c. frequency mode. d. class interval.

Psychology

What would Sternberg call sexual attraction?

a. passion. c. intimacy. b. decision. d. whimsical.

Psychology

A(n) _______________ is a habitual way of behaving, thinking, and feeling

a. personality b. trait c. archetype d. temperament

Psychology