Which of the following statements regarding the synthesis and metabolism of lipoprotein complexes are TRUE?1) pre-HDLs are synthesized only in the liver2) VLDLs are metabolized by lipoprotein lipase3) HDLs are produced as derivatives in VLDL metabolism4) a high serum level of LDL increases the risk of myocardial infarction5) HDLs carry cholesterol esters and clear up the excess of cholesterol from extrahepatic tissues

Which of the following describes how soluble fiber in the diet may lower blood cholesterol levels? Soluble fiber binds cholesterol in the colon and carries it out of the 1) body with feces. Soluble fiber binds cholesterol in the small intestine and carries it out 2) of the body in urine. 3) Soluble fiber digests cholesterol in the colon. 4) Soluble fiber sends a signal to the liver to produce less cholesterol.

By which of the following mechanisms is soluble dietary fibre able to help reduce blood cholesterol levels? Question 78 options: a)  Decreasing transit time in the gastrointestinal (GI) tract b)  Blocking reabsorption of calcium in the GI tract c)  Binding cholesterol and bile acids in the GI tract d)  Inhibiting mineral absorption in the GI trct

Gastric acid     a) The enzymatic activity of carbonic anhydrase is necessary for gastric parietal cells to secrete both HCl and HCO3-.   b) Gastroesophageal reflux disease (GERD) occurs when the pyloric sphincter relaxes, allowing stomach acid to enter the esophagus.   c) The H+/K+-ATPase pump located on the basolateral surface of gastric parietal cells.   d) Both (a) and (b) are correct and (c) is incorrect   e) Statements (a), (b) and (c) are all correct

A patient who is homozygous for familial hypercholesterolemia (FH) will: OA) have only one defective gene for the LDL receptor. OB) have both LDL receptor genes defective. C) have defects in cholesterol synthesis. D) have no reverse cholesterol transport.

A patient was scheduled for a full lipoprotein profile that requires that the patient fast for 12 hours. The patient complied with this but his plasma was still cloudy in applearance. This suggests: OA) a deficiency in chylomicron production. B) a deficiency of lipoprotein lipase. C) a deficiency of adipose triglyceride lipase. D) familial hypercholesterolemia. E) none of the above.

Leptin inhibit eating by: a) inhibiting AgRP/NPY neurons b) activating melanocortin neurons c) Both a and b d) Neither a nor b

An "AA" genotype at the ALOX5AP -4900 A>G locus acting in the 5-lipoxygenase pathway may increase risk of breast cancer when intake of which fatty acid is high?       a)  Stearic acid   b)  Eicosapentanoic acid   c)  Linoleic acid   d)  Alpha-linolenic acid

A young female patient presents in the clinic with pallor and fatigue. History reveals a switch to vegetarianism last year along with a little weight loss. Blood results show a hemoglobin value of 65 g/L and a hematocrit of 0.29. Which of the following is most likely the cause of her symptoms? Question 46 options: a)  Covert iron deficiency b)  Primary iron deficiency c)  A secondary deficiency of iron d)  A subclinical iron deficiency

Which of the following lipoproteins transports excess lipids from cells back to the liver? a) VLDL b) LDL c) HDL