21. Fasting or starvation accelerates
(A) gluconeogenesis.
(B) ketone body production.
(C) body protein breakdown.
(D) body fat breakdown.
(E) All of these choices are accurate.

17. Fatty acids cannot be converted to glucose because (A) they lack sufficient energy. (B) as acetyl-CoA they enter the citric acid cycle and can never reform pyruvate. (C) acetyl-CoA can be synthesized only from amino acid skeletons, not fatty acid skeletons. (D) they enter the citric acid cycle as propionyl-CoA.

18. Wemicke-Korsakoff Syndrome is the_deficiency disease that results from severe alcohol abuse. (A) vitamin A (B) thiamin (C) niacin (D) vitamin B-12

19. The electron transport chain is a series of biochemical reactions that transfers the energy in NADH and FADH2 to (A) ADP + Pi to form ATP. (B)H2O (C) iron and copper. (D) oxygen.

20. When muscle tissue is exercising under anaerobic conditions, the production of_is important because it assures a continuous supply of NAD (A) Glucose-6-phosphate (B) Pyruvate (C) Lactate (D) Glycogen

22. Basal energy needs include energy for (A) respiration, circulation, and digestion. (B) respiration, activity, and the thermic effect of food. (C) circulation, maintenance of muscle tone, and digestion. (D) respiration, circulation, and maintenance of body temperature.

23. Control of satiety is located in a part of the brain (A) called the pituitary. (B) called the cortex. (C) called the hypothalamus. (D) designated the "appetite center."

24. The major goal for weight reduction in the treatment of obesity is the loss of (A) weight. (B) body fat. (C) body water. (D) body protein.

25. The essential difference between anorexia and bulimia (A) is age of onset. Bulimia begins in early childhood. (B) is gender. Men are far more likely to suffer from anorexia nervosa when they enter their teens, (C) is that anorexia patients are much more secretive, while bulimia patients are much more open about their eating disorder. (D) is that the bulimic turns to food during a crisis or problem whereas the anorexic turns away from food.

26. The current RDA for vitamin A is expressed in (A) International Units (IU). (B) Retinol Activity Equivalents (RAE). (C) Alpha-Tocopherol Equivalents (ATE). (D) none of these answers are correct.

27. The disadvantage of anaerobic glycolysis in high intensity muscle contractions is that (A) the heart muscle "soaks" up most of the lactic acid for its energy needs. (B) ATP production cannot be sustained for long events. (C) the production of excessive amounts of CO2 and H2O interferes with exercise. (D) ATP is needed for digestion,