Your professor announces a quiz on this chapter. As you hear the news, your mind begins to conjure up images of failure and the impact of your poor performance on your chosen career as a psychologist. These thoughts persist despite your overall record of academic success. In the context of an anxiety-related response, what would you label your reaction to the announcement?

Why does cultural-familial mental disability occur more frequently among the poor?

a. Poor nutrition causes PKU. b. Impoverished environments can be less intellectually stimulating. c. Chromosomal abnormalities are more common in the lower classes. d. Sexually transmitted diseases are more common in the lower classes.

Heartbeat, digestion, respiration, and elimination of wastes are carried out by organ systems close to the central axis. These functions, close to the center of the body, operate or are ready to operate when the child is born. What principle of development does this represent?

a. Cephalocaudal b. Differentiation c. Proximodistal d. Ventromedial