Polysomnographic recording is used to help diagnose ______

After not having anything to drink for several hours, Marnie is motivated to seek a beverage and drink it in order to restore __________

a) intrinsic motives. b) homeostasis. c) drive level. d) arousal.

At the age of four months, Zach was excitable and fearful. His dad taped a colorful picture beside the changing table to entertain Zach during diaper changes. Zach overreacted to the picture and became agitated and nervous

Zach is most likely to be classified as a(n) ___________ child. a. introverted b. extroverted c. reactive d. nonreactive