iClicker Questions for Psychology, Seventh Edition by Peter Gray Chapter 6: Mechanisms of Motivation and Emotion
According to Canon, what is the process by which the body works to maintain the constancy of internal conditions called? Regulation Homeostasis Stabilization Equalization Answer: b
Fat cells in mammals secrete a hormone, called _______, at a rate that is directly proportional to the amount of fat that is in the cells. neuropeptide Y leptin estrogen testosterone Answer: b
Which of the following statements best represents the advice given by researchers who study metabolism to those who want to lose weight? The best way to lose weight is to do it rapidly by reducing calorie intake dramatically. Instead of reducing food intake to a level that leaves you hungry, change your eating habits and lose weight over a long period of time. The best way to lose weight is to adopt a radical, low-calorie diet. It could be dangerous in the long run to keep your present weight if you are obese. Lose the weight rapidly and risk the possibility of gaining it back. Answer: b
When Olds and Milner tested rats to see if they would stimulate their own brains by pressing a lever, what did they find? The rats were uninterested and did not learn to press the lever. The rats learned very quickly to press the lever and pressed it for many hours without stopping. The rats never learned to press the lever because the implantation of the electrodes damaged critical parts of their brains. The rats learned to press the lever but did so only once or twice. Answer: b
When a person concentrates on an external stimulus, tries to solve a problem, or becomes excited, the EEG pattern changes to: alpha waves. delta waves. beta waves. gamma waves. Answer: c
The technical term for any rhythmic change that continues at close to a 24-hour cycle in the absence of external 24-hour cues is: circadian rhythm. sleep pattern. diurnal rhythm. nocturnal rhythm. Answer: a
Alex complains of chronic insomnia Alex complains of chronic insomnia. He has had a medical check-up and is healthy, yet he has difficulty falling asleep. What is the best advice you can give in this situation? Have a glass of wine right before bedtime. Go to the doctor and get a prescription for sleeping pills. Go to bed at the same time every evening and wake up at the same time in the morning. Do some strenuous exercise right before going to bed. Answer: c
People who sleep far less than most of us and yet do not feel tired during the day are called ___________. insomniacs. nonsomniacs. polysomniacs. asomniacs. Answer: b
Your friend insists that she rarely has dreams Your friend insists that she rarely has dreams. What is the most likely explanation for this situation? She probably has dreams every night, but only rarely remembers her dreams. She probably uses barbiturates to help her sleep every night. This is normal; most people never dream. She stays up too late at night and gets up too early in the morning. Answer: a