Senility affects ___ % of the aged population.
A) 20%
B) 40%
C) 30%
D) 10%
Ans: D) 10%
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Cindy abuses barbiturates and she continually increases her doses. What is the likely outcome of this practice for Cindy's health? a. She is not at risk of overdose, because her body continually increases its tolerance to match her intake. b. She is very likely to overdose, because some barbiturate effects show tolerance while others do not
c. She is not at risk of overdose, because barbiturates do not have life-threatening effects, even at high doses. d. She is very likely to overdose, because barbiturates do not produce tolerance.
High school students from middle- and high-SES homes are more likely than those from low-SES homes to
A) drop out before finishing high school. B) complete fewer years of schooling. C) earn, on average, lower grades. D) score higher on achievement tests.
When people, especially adolescents, select friends that share interests this is called similarity hypothesis
A. True B. False
A human cell normally contains __________ chromosomes, arranged in __________ pairs.
A. 23; 23 B. 46; 23 C. 70; 35 D. 92; 46