Epling and Pierce's evolutionary explanation for activity anorexia is supported by the fact that _____ can often break the activity anorexia cycle.
A) exposure to a constant food supply
B) exposure to a dominant animal
C) placement in a danger-free zone
D) exposure to low-cholesterol foods
Question 2A tendency toward activity anorexia likely has survival value for animals in that it facilitates:
A) the establishment of a dominance hierarchy.
B) the lowering of cholesterol levels.
C) locating a reliable and adequate food supply.
D) avoiding predators.
Question 3A tendency toward activity anorexia may have survival value because it would facilitate:
A) escape from predators.
B) finding an appropriate mate.
C) the encountering of new food supplies.
D) the avoidance of poisonous food items.
Question 4If it has not progressed too far, the activity anorexia cycle in rats can most effectively be broken by:
A) feeding them for one 60-minute session per day.
B) providing them with unrestricted access to food.
C) providing them with continuous access to water.
D) feeding them only if they maintain a low activity level.
Question 5Which of the following would most likely temporarily reduce activity levels in a rat suffering from activity anorexia?
A) Intermittent delivery of small amounts of food throughout the day
B) Changing the rat's diet to nutritionally deficient food
C) Injection of an endorphin blocker
D) Injection of a stimulant
Question 6Evidence suggests that activity anorexia in rats and anorexia nervosa in humans may both be associated with:
A) an abnormal depletion of norepinephrine.
B) a serotonin high.
C) an endorphin high.
D) a high-protein diet.
Question 7There is some evidence that activity anorexia is maintained by the release of:
A) serotonin.
B) epinephrine.
C) norepinephrine.
D) endorphins.
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