Milgram asked a sample of psychiatrists to guess what percentage of subjects would give the highest level of shock. The psychiatrists' prediction was

Carla is excited because her son, Ethan, just demonstrated the rooting reflex. Ethan just

A) cried when she left the room. B) reacted to a loud noise or fall. C) turned when his cheek was stroked. D) grasped an object placed in his hand.

Skin becomes looser and muscle mass decreases during young adulthood and beyond because _______________________

a. there is a substantial decrease in iron and vitamin D b. there is a decrease in the production of vitamin K c. there is a decrease in growth hormones d. there is a decrease in calcium