Which receptor cells produce color sensations and fine details, work best in bright light, and lie mainly at the center of the eye?
a. phosphenes
b. rods
c. cones
d. stereocilia
ANSWER: c
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Cannon and Washburn (1912) proposed that hunger is caused by
a. lack of food. b. stomach contractions. c. low blood sugar. d. changes in leptin levels.
The sense of responsibility to care for one's aging parents is called
a. social isolation. b. filial obligation. c. stagnation. d. guilt.
How are intellectual disabilities diagnosed and subdivided? What are the principle causes of intellectual disabilities?
What will be an ideal response?
Jenny has an intense interest in food but eats sparingly and with disgust. She has an intense fear of becoming obese, and even though she looks emaciated, she still claims she "feels fat" and refuses to eat enough to maintain even a minimal normal body weight for her frame. She is most likely suffering from __________
a) anorexia nervosa. b) bulimia. c) hormone under secretion. d) leptin reduction.