Nutrition > QUESTIONS & ANSWERS > FNDH 620 Exam 2/Pop Quizzes 2022 – COMPLETE SOLUTION (212 Questions with 100% Correct Answers) (All)

FNDH 620 Exam 2/Pop Quizzes 2022 – COMPLETE SOLUTION (212 Questions with 100% Correct Answers)

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FNDH 620 Exam 2/Pop Quizzes 2022 – COMPLETE SOLUTION (212 Questions with 100% Correct Answers) What are the most prevalent saturated fatty acids in the average US diet? A. palmitic and stearic a... cid B. oleic and linoleic C. linoleic and linolenic D. acetic and butyric - ✔✔A. palmitic and stearic acid What is formed when fatty acids are oxidized in the mitochondria? A. glycerol B. pyruvate C. triacylglyceride D. acetyl CoA - ✔✔D. Acetyl CoA What is the normal product of fatty acid synthase? A. Triacylglyceride B. Palmitate C. n-3 fatty acid D. n-6 fatty acid - ✔✔B. 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 - ✔✔E. a-linolenic acid and linoleic acid Humans build about ____mg of cholesterol each day. A. 100 B. 300 C. 700 D. 2000 - ✔✔C. 700 Cholesterol is a precursor of the following except A. Estrogens and androgens; B. Glucocorticoids; C. Bile acids; D. Vitamin D E. Phospholipids. - ✔✔E. phospholipids What is the most active site of lipid digestion? A. stomach B. duodenum C. upper jejunum D. ileum - ✔✔C. 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. - ✔✔C. to act as the carrier of lipids The main component of a HDL, molecule is protein A. True B. False - ✔✔A. True LDL-cholesterol is often termed "bad cholesterol" because it has been linked to atherogenic fatty plaque formation A. True B. False - ✔✔A. True Trans unsaturated fatty acids are now considered more atherogenic than saturated fatty acids because they A. are unnatural and only formed during fat processing; B. cause excess blood clotting; C. elevate serum LDL while decreasing HDL; D. are saturated completely - ✔✔C. elevate serum LDL while decreasing HDL The mechanism of action of Orlistat is A. To inhibit pancreatic lipase activity; B. To destroy bile acids in the small intestine; C. To decrease appetite; D. None of the above; E. All of the above. - ✔✔A. To inhibit pancreatic lipase activity Why are n-3 PUFA the "best"? - ✔✔Interfere with platelet aggregation by inhibiting thromboxane production, reduces of pro inflammatory cytokines, What omega 3s are better, Short or long chain? - ✔✔Long chain, more consistently converted to antiinflammatory uses Which hormone is considered to be an antagonist of lipolysis? A. insulin B. epinephrine C. glucagon D. Adrenocorticotropic hormone E. None of the above. - ✔✔A. Insulin Excessive ketone bodies may accumulate due to reduced supply of cellular glucose as well as ____ fatty acid oxidation A. increase; B. decrease; C. no change. - ✔✔A. 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 - ✔✔A. less than 10mg% What happens when alcohol is metabolized by the liver? - ✔✔FA synthesis, leads to fatty liver 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. - ✔✔C. decrease the transition/activation energy About ______ of the dry weight of a typical human cell is protein. A. one-tenth B. one-fifth C. one-third D. one-half - ✔✔D. one-half 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 - ✔✔E. Collagen contains unique hydroxyglycine and hydroxyproline It actually contains hydroxylysine and hydroxyproline that are unique to collagen For each function listed in Questions 1-5, select the most closely related plasma proteins: 1. Nonspecific transport protein for fatty acids. 2. Inhibitor of elastase to protect against smoke induced obstructive lung disease. 3. Antibodies. 4. Major transport protein for copper. 5. major transport protein for iron - ✔✔1. Albumin 2. a1-globulins 3. y-globulins 4. a2-globulins 5. B-globulins A deficiency in which of the following amino acids will result in Kwashiokor, even though the diet may contain a large amount of protein A. Serine; [Show More]

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