The rare genetic disorders Menkes disease and Wilson's disease result from abnormal utilization of
a. iron. b. zinc.
c. copper. d. manganese.
Q. 2Which of the following are nonessential amino acids that are sometimes supplemented in patients undergoing metabolic stress?
a. Aspartic acid and arginine b. Arginine and glutamine
c. Glycine and glutamine d. Alanine and glycine
Q. 3Jake is getting ready for spring training and is sitting down to a dinner of half a chicken, a rib-eye steak, black beans, and 5 slices of bacon. He has been eating typical dinners like this for about a month and has since gained 7 pounds, while exercising only briefly. When Jake asks why he doesn't see an increase in his biceps or abs, the proper response should be
a. dietary protein alone does not contribute to muscle accretion.
b. it takes at least 6 months to document changes in muscle accretion.
c. the weight he has gained can be attributed to a substantial increase in his protein stores.
d. because muscle accretion only responds to very lean meat choices, he should eliminate the fatty bacon and steak from his diet to promote muscle gain.
Q. 4Which of the following is NOT among the characteristics of copper in nutrition?
a. Deficiency is rare
b. Legumes are a rich source
c. Absorption from foods is poor
d. Absorption is reduced by ingestion of zinc supplements
Q. 5Clinicians suggest providing _____ to meet protein daily requirements for obese patients under severe stress who are receiving hypocaloric feedings.
a. 1.0 to 1.5 g protein/ kg of ideal bodyweight
b. 1.2 to 2.0 g protein/ kg of ideal bodyweight
c. 2.0 to 2.5 g protein/ kg of ideal bodyweight
d. 2.0 to 3.0 g protein/ kg of ideal bodyweight
Q. 6Which of the following is a characteristic of the metabolism of specific macronutrients?
a. The rate of fat oxidation does not change when fat is eaten in excess
b. The rate of protein oxidation does not change when protein is eaten in excess
c. The rate of glucose oxidation does not change when carbohydrate is eaten in excess
d. The conversion of dietary glucose to fat is the major pathway of carbohydrate utilization
Q. 7Your aunt Thelma has been anemic for some time and was recently shown to be deficient in copper. Which of the following explains the association of copper and anemia?
a. Copper is required for hemoglobin synthesis
b. Copper plays a role in wound healing, which prevents excessive blood loss
c. Anemia affects synthesis of protoporphyrin, which interferes with iron absorption
d. Copper is known to protect against free radical formation, which prevents excess damage of red blood cells
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