What percentage of adults over the age of 75 has some degree of hearing loss?
A. 10 percent
B. 30 percent
C. 50 percent
D. 75 percent
Answer: C
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According to Freud, boys and girls differ in how they resolve their Oedipus complex because . . .
a. Boys have a penis b. Girls are less aggressive than boys c. Both of the above d. Neither of the above
Correlations allow us to
a. control behavior. b. explain behavior. c. predict behavior. d. establish causal relationships.
What term describes the difference in voltage that typically exists between the inside and the outside of a neuron?
A. Concentration gradient B. Generator potential C. Resting potential D. Shock gradient
The two organs involved in the process of spermatogenesis are the testicles and the ____
a. epididymis c. corpus spongiosum b. ejaculatory duct d. vas deferens