The number of Cesarean deliveries has soared in the United States. According to the textbook, which of the following is a contributor to the rapid rise in Cesarean deliveries?

Regarding how emotions are expressed in other cultures, which of the following statements is TRUE?

a. Some facial expressions are shaped by learning and may be found only in specific cultures, while others like the smile appear to be universal. b. Expressing anger in public is universally expected and accepted in all cultures. c. The facial expression of sticking out one's tongue is interpreted as an insult in every country. d. In America, positive feelings are most often linked with membership in a group.

Gina is studying how blood flows through the brain when people listen to different kinds of music. Which sort of research tool is she most likely using in her study?

a. Electroencephalogram b. Positron emission tomography c. Functional magnetic resonance imaging d. Synaptic pruning