Most of the water is absorbed from what compartment of the GI tract?
a. colon
b. mouth
c. stomach
d. duodenum
Q. 2Increased risk for heart disease is associated with:
a. increased serum levels of HDL.
b. lowered blood levels of triglycerides.
c. elevated blood concentrations of LDL.
d. lesser concentration of serum cholesterol.
Q. 3The function of high-density lipoprotein is to:
a. transport cholesterol and lipids to the liver for breakdown and elimination.
b. increase the amount of low-density lipoproteins in the blood.
c. provide the energy to maintain ratio of LDL to HDL.
d. provide lipids to the tissues to maintain body oils.
Q. 4The function of low-density lipoprotein is to:
a. carry cholesterol and triglycerides from the cells in the liver to other cells in the body.
b. transport intact protein more easily through the blood.
c. move cholesterol back to the liver for breakdown.
d. deliver lipids into the portal vein.
Q. 5All blood that flows through the gastrointestinal tract travels to what organ before returning to the heart?
a. liver
b. spleen
c. pancreas
d. appendix
Q. 6Most nutrients are absorbed in what compartment of the gastrointestinal tract?
a. colon
b. mouth
c. stomach
d. small intestine
Q. 7Fiber is important in the diet because it:
a. helps to prevent dehydration.
b. enhances effectiveness of peristalsis.
c. releases water into the bowel to soften stool.
d. facilitates absorption of bile salts, sterols, and fat.
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