Which of the following answer choices describes the consequence of decreasing serum concentration of high density lipoprotein in mammals? Select one: a. Overall blood cholesterol concentration would decrease b. Unsaturated fatty acids will be converted to saturated fatty acids c. Overall blood cholesterol concentration would increase d. The patient should be taken off statin medications
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Which of the following answer choices describes the consequence of decreasing serum concentration of high density lipoprotein in mammals?
Overall blood cholesterol concentration would decrease
Unsaturated fatty acids will be converted to saturated fatty acids
Overall blood cholesterol concentration would increase
The patient should be taken off statin medications
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- Which of the following describes the function of lipoprotein lipase? Select one: a. It catalyzes the synthesis of lipoproteins b. It helps recycle unused cholesterol by converting to bile salts c. It helps to transport VLDL's in the blood d. It cleaves fatty acids from chylomicrons e. It helps to increase concentration of "good cholesterol"Which of the following is true? a. Non-Heme iron in plant foods is absorbed more efficiently than heme iron in animal foods b. Heme iron found in animal foods is absorbed more efficiently than non-heme iron in plant foods c. Heme iron found only in plant foods is absorbed more efficiently than non-heme iron found in animal food d.Both heme and non-heme iron are absorbed with similar efficiencyThe characteristics of vitamin P include the followings except: Select one: a. Vitamin P acts synergistically with ascorbic acid b. It reduces the level of hyaluronidase which prevents the oxidation of ascorbic acid and adrenaline, as result it increases the strength of the blood vessels and capillaries c. It increases the capillary fragility and their permeability d. It is related to flavonoids and phenolic compounds
- The characteristics of vitamin P include the followings except: Select one: a. It increases the level of hyaluronidase which prevents the oxidation of ascorbic acid and adrenaline, as result it increases the strength of the blood vessels and capillaries b. It is related to flavonoids and phenolic compounds c. It decreases the capillary fragility and their permeability d. Vitamin P acts synergistically with ascorbic acidHemoglobin (Hb) is a blood protein that is responsible for transporting oxygen. It can exist in the protonated form as HbH*. The binding of oxygen can be represented by the simplified equation HbH+ + 02 > ABO2 + Ht A. Excessive vomiting may lead to metabolic alkalosis, in which [H2O*] in blood decreases. How does this condition affect the ability of Hb to transport O2? B.Diabetes mellitus may lead to metabolic acidosis, in which [HgO*] in blood How does this condition affect the ability of Hb to transport O?Bile Salts are: a. a mixture of amphipathic molecules which emulsify fatty acids in the small intestine b. enzymes present in saliva that digest proteins into amino acids c. made by the liver and secreted from the gall bladder into the duodenum d. enzymes that digest “dietary fiber” (cellulose) in the esophagus e. enzymes present in saliva that make bread taste sweet after chewing
- Match the following: a. Stimulates milk production 1. Transport protein b. Controls carbohydrate mechanism 2. Structural protein c. Decreases urine production 3. Catalytic protein d. Hemoglobin belongs to this class 4. Storage protein e. Protein that acts as enzyme 5. Vasopressin f. Nerve impulse transmission 6. Insulin g. Keratin belongs to this class 7. Rhodopsin n. Gliadin and casein 8. OxytocinTransport of glucose across the basolateral membrane of intestinal epithelial cells and into the vascular system requires which of the following conditions to occur? Select one: a. Sodium concentration on the inside of the epithelial cell is equal to that outside the basolateral membrane b. Sodium concentration is higher on the inside of the epithelial cell than on the outside of the basolateral membrane c. Sodium concentration inside the epithelial cell is lower than sodium concentration in the intestinal lumen d. Sodium concentration inside the epithelial cell is higher than that sodium concentration in the intestinal lumenWhich of the following statements about blood lipoprotein balance is true? A. It is important to take in 200 mg of cholesterol daily to maintain LDL and HDL levels. B. Cholesterol in food is the main determinant of increased LDL levels C. LDL and HDL levels are both affected by diet. D. HDL level is more affected by behavioral factors such as frequency of smoking and physical activity.
- 7) Which of the following answer choices correctly describes the mechanism by which lipids are transported in blood plasma. Select one: a. Saturated fatty acids are hydrophyllic and can transport in aqueous media b. Lipids form fat droplets c. Transport is facilitated by lipoprotein lipase d. Lipids are conjugated to a protein forming a lipoproteinWhich of the following is true?a. Triglycerides have the least energy content per gram of the three majorenergy sources in the body.b. Fat catabolism generates new triglycerides for storage in adipose tissue.c. By mass, the total-body content of carbohydrates exceeds that of total triglycerides.d. Catabolism of fatty acids occurs in two-carbon steps.e. Triglycerides are the major lipids found in plasma membranesWhich of the following would be the most likely consequence of the addition of small amounts of selenium to the diets many species of vertebrate animals especially livestock. a. It would increase the requirement for Vitamin E b. It would increase the rate of beta oxidation of fatty acids c. It would result in selenium toxicity d. It would decrease the requirement for vitamin B12 e. It would reduce the requirement for Vitamin E