Download Nutrition and Metabolism: Multiple Choice Questions and Answers and more Exams Transport economics in PDF only on Docsity!
FNDH 620 Exam 2 | 100% Correct | Verified |
2024 Version
What are the most prevalent saturated fatty acids in average US diet? A. palmitic and stearic acid B. oleic and linoleic C. linoleic and linolenic D. acetic and butyric - ✔✔Palmitic and stearic acid What is formed when fatty acids are oxidized in the mitochondria? A. glycerol; B. pyruvate; C. triacylglyceride; D. acetyl CoA; - ✔✔Acetyl CoA What is the normal product of the fatty acid synthase? A. Triacylglyceride; B. Palmitate; C.n-3 fatty acid; D.n-6 fatty acid; - ✔✔Palmitate Which fatty acid is considered essential and must be supplied by the diet? A. a-linolenic acid; B. Linoleic acid; C. y-linolenic acid; D.Arachidonic acid; E. A and B. - ✔✔A and B
Humans build about ____mg of cholesterol each day. A. 100 B. 300 C. 700 D. 2000 - ✔✔ 700 Cholesterol is the precursor of the following except: A. Estrogens and androgens; B. Glucocorticoids; C. Bile acids; D. Vitamin D; E. Phospholipids. - ✔✔Phospholipids What is the most active site of lipid digestion? A. stomach B. duodenum C. upper jejunum D. ileum - ✔✔Upper jejunum The main function of lipoproteins is A. To facilitate lipid digestion; B. To protect against CVD; C. To act as the carrier of lipids; D. To provide energy; E. All of the above. - ✔✔To act as the carrier of lipids The main component of a HDL molecule is protein. A. True B. False - ✔✔True
B. decrease; C. no change. - ✔✔Increase What is the legally intoxicated amount of alcohol in bloodstream? A. Less than 10 mg%; B. 11-24 mg%; C. 25-45 mg%; D. 50-100 mg%; E. None of the above. - ✔✔ 50 - 100 mg% About ______ of the dry weight of a typical human cell is protein. A. one-tenth B. one-fifth C. one-third D. one-half - ✔✔One-half Enzymes: A. decrease the free energy change of a reaction; B. increase the activation energy of a reaction; C. decrease transition energy; D. increase the equilibrium constant of a reaction; E. None of the above. - ✔✔Decrease transition energy Which of the following statements concerning collagen is not true? A. Collagen is a major connective tissue protein; B. Collagen is made up of tropocollagen; C. Tropocollagen consists of three peptide chains that are cross-linked triple helix; D. Collagen has a large amount of glycine and proline; E. Collagen contains unique hydroxyglycine and hydroxyproline. - ✔✔Collagen contains unique hydroxyglycine and hydroxyproline
For each function listed in Questions 1-4, select the most closely related plasma proteins: A. Albumin; B. a1-globulins; C. a2-globulins; D. b-globulins; E. y-globulins.
- Nonspecific transport protein for fatty acids.
- Inhibitor of elastase to protect against smoke induced obstructive lung disease.
- Antibodies.
- Major transport protein for copper - ✔✔ 1 - A 2 - B 3 - E 4 - C A deficiency in which of the following amino acids will result in Kwashiorkor, even through the diet may contain a large amount of protein. A. Serine; B. Glutamate; C. Tryptophan; D. Alanine; E. Asparagine. - ✔✔Tryptophan Which of the following immunity functions is associated with a significant uptake of intact protein occurred in small intestine? A. Passive immunity during infancy; B. IgG protects against infection in uteri during neonatal period; C. IgA secrets in milk; D. IgM responds first to a new antigen;
D. liver and kidneys - ✔✔Liver and kidneys The most branched-chain amino acids (i.g. valine, isoleucine, & leucine) are metabolized in the liver but not in the skeletal muscle. A. True; B. False. - ✔✔False Human body turns over the total body protein at about 10-20% (300-400 g) each day. A. True; B. False - ✔✔False A deficiency in which of the following amino acids will result in negative nitrogen balance, even though the diet may contain a large amount of protein. A. Serine B. Glutamate C. Trytophan D. Alanine E. Asparagine - ✔✔Tryptophan Pellagra-like symptom may be induced by which of the following conditions. A. Incomplete dietary protein such as corn protein; B. Inherited defects in neutral amino acid transporter; C. Niacin deficiency; D. All of the above; E. None of the above. - ✔✔All of the above How long does it take for a fasting state? A. Up to 12 hours after meal; B. Up to 24 hours;
C. Up to 48 hours; D. Up to 72 hours; E. Up to One week. - ✔✔Up to 48 hours How long do hepatic glycogen stores last before exhaustion is reached? A. within 12 hours B. within 24-36 hours C. within 1 week D. within 1 month - ✔✔Within 24-36 hours Amino acids from muscle breakdown provide the chief substance for which metabolic process during fasting state? A. glycolysis; B. gluconeogenesis; C. glycogenesis; D. glycogenolysis; E. Hexosemonophosphate shunt. - ✔✔Gluconeogenesis A protein-sparing shift in metabolism from gluconeogenesis to lipolysis occurs during the? A. Fed state; B. Early fasting state; C. Fasting state; D. Starvation state; E. All of the above. - ✔✔Starvation state During exercise, which the following contributes only minimally to the amount of ATP used by working muscles? A. amino acids; B. muscle glycogen;
To prevent overweight and benefit for health, you need to exercise regularly and make smart choices from: A. less fat diet B. less carbohydrate diet C. less protein diet D. less total calories - ✔✔Less total calories A deficiency in which of the following amino acids will result in negative nitrogen balance, even though the diet may contain a large amount of protein. A. Serine B. Glutamate C. Trytophan D. Alanine E. Asparagine - ✔✔
