Ellen is within 15 pounds of her ideal body weight, yet she constantly worries about becoming obese. Usually, she eats a reasonable diet. When her self-control falters, she binge-eats, indulging herself in a dozen donuts at one sitting. She makes up for these lapses by forcing herself to regurgitate the food. Ellen probably suffers from:

In a recent study, college students either played a very violent, difficult, highly competitive, fast-paced video game (Mortal Kombat) or an easier,

less competitive, nonviolent, slower-paced game (PGA Tournament Golf) and then competed with another student (actually an actor) in a task that allowed aggression and retaliation to take place. Which of the following students were more likely to aggress by punishing their competitor? a. the college students who played Mortal Kombat b. the college students who played PGA Tournament Golf c. both groups of college students (Mortal Kombat players and PGA Tournament Golf players) d. neither group of college students (Mortal Kombat players nor PGA Tournament Golf players)

Acetylcholine is inactivated by the enzyme acetylcholinesterase

Indicate whether the statement is true or false.