The _______ regulates the pituitary gland

Ebbinghaus's research suggests that__________

a) cramming for a test is a waste of time. b) one should do at least some cramming on the day of a test. c) one should space memorization tasks so not more than three items a day need to be mastered. d) most forgetting occurs after 48 hours has passed.

Which is true of the AIDS virus?

a. Once infected, blood tests will always show a positive result. b. Symptoms always occur quickly upon becoming infected. c. The virus can only be spread when the carrier is symptomatic. d. Common infections can become lethal to a person living with AIDS.