What is the general trend in the number of taste buds across the lifespan?
a) Taste buds are completely developed at age 8, reach a total of 5,000, and begin declining in number around age 25.
b) Throughout childhood, taste buds increase to a maximum of about 7,500, then they decline in number starting around age 40.
c) Throughout childhood, taste buds develop until they reach a maximum of 5,000; at around age 60 they decline rapidly in number.
d) Taste buds develop continuously throughout the lifespan, but they begin to decline rapidly at around age 50 when the number can be cut in half to as little as 1,000.
ANS: b
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Which of the following statements regarding suicide is TRUE?
A) Native Americans have the highest suicide rate of any racial group in the United States. B) The suicide rate for whites in the United States is the same as that for blacks. C) Married people are more likely to commit suicide than adults who are single. D) Men are more likely to attempt suicide than women.
Sir Francis Galton wrote the book Hereditary Genius, started the eugenics movement, and suggested a number of controversial ideas concerning the nature of intelligence
a. true b. false