CHAPTER 7 METABOLISM 选择题 A1型题 1.In the body,metabolism of 10g of protein would produce approximately A.1 kcal B.41 kcal C.410 kcal D.4100 kcal E.41 cal [答案]B 2.A man with a respiratory quotient (RQ)of 70 A.has been eating a high-fat diet B.has been eating a high-protein diet C.has been fasting for 24 hours D.has eaten nothing but carbohydrates for 24 hours E.is dehydrated [答案]A 3.Which of the following daily intakes (in grams)of carbohydrates (C), protein (P),and fat (F)would be best for a healthy 80-kg male construction worker? A.C:420;P:80;F:125 B.C:420;P:130;F:100 C.C:325;P:80;F:65 D.C:550,P:80:F:65
CHAPTER 7 METABOLISM 选择题 A1 型题 1. In the body, metabolism of 10 g of protein would produce approximately A. 1 kcal B. 41 kcal C. 410 kcal D. 4100 kcal E. 41 cal [答案] B 2. A man with a respiratory quotient (RQ) of 70 A. has been eating a high-fat diet B. has been eating a high-protein diet C. has been fasting for 24 hours D. has eaten nothing but carbohydrates for 24 hours E. is dehydrated [答案] A 3. Which of the following daily intakes (in grams) of carbohydrates (C), protein (P), and fat (F) would be best for a healthy 80-kg male construction worker? A. C: 420; P: 80; F: 125 B. C: 420; P: l30; F: l00 C. C: 325; P: 80; F: 65 D. C: 550, P: 80; F: 65
E.C:340:P:50;F:65 [答案]D 4.The major lipoprotein source of the cholesterol used in cells is A.chylomicrons B.intermediate-density lipoproteins (IDL) C.albumin-bound free fatty acids D.LDL E.HDL [答案]D 5.Which of the following produces the most high-energy phosphate compounds? A.Aerobic metabolism of 1 mol of glucose B.Anaerobic metabolism of 1 mol of glucose C.Metabolism of 1 mol of galactose D.Metabolism of 1 mol of amino acid E.Metabolism of 1 mol of long-chain fatty acid [答案]E 6.Which of the following produces the most glucose when metabolized in the body? A.1 mol of serotonin B.1 mol of alanine C.1 mol of oleic acid D.1 mol of thyroxine (T4) E.1 mol of acetoacetic acid [答案]B
E. C: 340; P: 50; F: 65 [答案] D 4. The major lipoprotein source of the cholesterol used in cells is A. chylomicrons B. intermediate-density lipoproteins (IDL) C. a1bumin-bound free fatty acids D. LDL E. HDL [答案] D 5. Which of the following produces the most high-energy phosphate compounds? A. Aerobic metabolism of l mol of glucose B. Anaerobic metabolism of l mol of glucose C. Metabolism of l mol of galactose D. Metabolism of l mol of amino acid E. Metabolism of l mol of long-chain fatty acid [答案] E 6. Which of the following produces the most glucose when metabolized in the body? A. 1 mol of serotonin B. 1 mol of alanine C. 1 mol of oleic acid D. 1 mol of thyroxine (T4) E. 1 mol of acetoacetic acid [答案] B
7.Which of the following would not produce an increase in the plasma level of free fatty acids? A.A drug that increases the level of intracellular cAMP B.A drug that activates 3-adrenergic receptors C.A drug that inhibits hormone-sensitive lipase D.A drug that decreases the metabolic clearance of glucagon E.A drug that inhibits phosphodiesterase [答案]C 8.When LDL enters cells by receptor-mediated endocytosis,which of the following does not occur? A.Decrease in the formation of cholesterol from mevalonic acid B.Increase in the intracellular concentration of cholesteryl esters C.Increase in the transfer of cholesterol from the cell to HDL D.Decrease in the rate of synthesis of LDL receptors E.Decrease in the cholesterol in endosomes [答案]E 9. Which of the following does not increase the output of glucose from the liver? A.Induction of phosphorylase B.Insulin C.Glucagon D.Increased intracellular protein kinase A E.Epinephrine [答案]B
7. Which of the following would not produce an increase in the plasma level of free fatty acids? A. A drug that increases the level of intracellular cAMP B. A drug that activates 3-adrenergic receptors C. A drug that inhibits hormone-sensitive lipase D. A drug that decreases the metabolic clearance of glucagon E. A drug that inhibits phosphodiesterase [答案] C 8. When LDL enters cells by receptor-mediated endocytosis, which of the following does not occur? A. Decrease in the formation of cholesterol from mevalonic acid B. Increase in the intracellular concentration of cholesteryl esters C. Increase in the transfer of cholesterol from the cell to HDL D. Decrease in the rate of synthesis of LDL receptors E. Decrease in the cholesterol in endosomes [答案] E 9. Which of the following does not increase the output of glucose from the liver? A. Induction of phosphorylase B. Insulin C. Glucagon D. Increased intracellular protein kinase A E. Epinephrine [答案] B
