The body's biological clock is located in a tiny cluster of cells in the ___________ known as the suprachiasmatic nucleus

The most consistent withdrawal symptom after chronic caffeine use is

A. headache. B. drowsiness. C. nervousness. D. inability to sleep.

Which of the following, according to Freud's theory, would likely be the cause of starting harmful rumors about someone at work?

a) the ego ideal b) an unsuccessful resolution of the latency stage c) the death instinct d) the superego