The hormone that acts to lower blood sugar levels is:
a. insulin.
b. glucagon.
c. thyroxine.
d. epinephrine.
Q. 2The hormone that breaks down liver glycogen to glucose during fasting or sleep is:
a. thyroxine.
b. glucagon.
c. cortisone.
d. insulin.
Q. 3Hormones that increase the release of free fatty acids include:
a. insulin and glucagon.
b. cortisol and thyroxine.
c. somatostatin and gastrin.
d. lipoprotein lipase and secretin.
Q. 4The substance that serves as a vehicle for fat transport in the bloodstream is:
a. fatty acids.
b. glycerol.
c. lipoproteins.
d. amino acids.
Q. 5A major function of glucose is to:
a. produce energy.
b. transport oxygen to cells.
c. convert fat to glycogen.
d. maintain body weight.
Q. 6Gluconeogenesis occurs in the:
a. muscles.
b. pancreas.
c. liver.
d. spleen.
Q. 7Metabolic and hormonal responses are triggered to restore blood glucose to normal when blood glucose level decreases to:
a. 70 mg/dL.
b. 85 mg/dL.
c. 90 mg/dL.
d. 100 mg/dL.
Q. 8The component of fat that can be used to make glucose (by gluconeogenesis) is:
a. glycogen.
b. fatty acids.
c. glycerol.
d. monoglyceride.
Q. 9Feces are composed mainly of bacteria, mucosal cells, mucus, and:
a. bile.
b. enzymes.
c. fiber.
d. chyme.