The point in the retina where the optic nerve exits the eye produces:
a. a fovea
b. a blind spot
c. transduction
d. the optic chiasm
B
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If people with Down syndrome live long enough, they almost invariably develop ____
a. Korsakoff's syndrome b. Parkinson's disease c. Huntington's disease d. Alzheimer's disease
An astronaut orbiting earth experiences 45-minute periods of daylight alternating with 45-minutes periods of darkness. What is likely to happen? a. The alternating patterns allow for normal rhythm development. b. They are fully alert during wakeful periods
c. They are able to sleep during rest periods. d. They sleep poorly during rest periods.
Which child is best described as an "average child"?
a. Georgi, who is well liked by most of her classmates b. Natalya, who has some classmates that like her somewhat and others that dislike her somewhat c. Yuri, who is ignored by his classmates d. Donald, who is disliked by most all of his classmates
Cross-cultural research indicates that, due at least in part to appalling social and economic conditions, the prevalence of major depression is extremely high among a. African Americans. b. African Americans. c. Asian Americans
d. Native Americans