Cocaine selectively blocks Na+ (sodium) channels, which is the mechanism that leads to:
A. local anesthetic effects.
B. increased heart rate.
C. cocaine dependence.
D. CNS stimulation.
Answer: A
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Which of the following statements is true of the stability of African American families?
a. Single-parent African American families are necessarily deprived, while two-parent families are always secure and happy. b. The tradition of extended family among poverty stricken African Americans eases the burden of raising a child. c. The absence of a husband in single-parent African American households means that no one shares in childcare. d. In African American single-parent families, the absent parent is more often the mother.
________ involves the erotic stimulation of the woman's external sex organs
A) Cunnilingus B) Masturbation C) Fellatio D) Anal eroticism
Research suggests that standardized ability tests are somewhat capable of predicting future school performance for White men but do less well in predicting school performance for other groups.
Answer the following statement true (T) or false (F)
Considerable research supports the overall conclusion that growing up with married parents
a. has no effect on children b. is worse for children c. is better for children d. is so uncommon we have no data to analyze