Sildenafil (Viagra) works by ____
a. increasing sensitivity to female's pheromones
b. increasing release of nitric oxide in the hypothalamus and penis
c. decreasing dopamine release in the hypothalamus
d. blocking pain receptors in the spinal cord
b
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According to the article Attachment in Separation concerning divorced or separated mothers' interactions with their children, does attachment and the associated behaviors require what is technically known as a sensitive or critical period:
(a) yes, because early experience had irreversible effects (b) yes, because if it does not happen early, it does not happen at all (c) no, because it depends upon continuity of care (d) no, because children may attach to fathers and other people
Orson is 13 years old and classified as overweight. Which statement is most likely to be true? a. Orson is unpopular with his peers
b. Orson has high self-esteem. c. Orson has little risk for medical problems. d. Orson has a faster-than-normal basal metabolic rate.