Discuss factors that impact the absorption of iron
Iron must be chemically changed to ferrous iron prior to absorption. This chemical action occurs in the stomach through the action of hydrochloric acid. Absorption can be enhanced by consuming foods with vitamin C at the same time as a food rich in iron. Vitamin C keeps the iron in the correct form for absorption. A meat protein factor is found in meat, poultry, and fish that also aids in the absorption of iron.
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The body's short-term energy needs are supplied by:
a. glycogen. b. fatty acids. c. oxygen. d. amino acids.
What disease is caused by malnutrition and results in dry hair and thin skin?
A) vitamin A deficiency B) marasmus C) kwashiorkor D) protein-energy malnutrition
What is the function of intrinsic factor in vitamin B12 absorption?
A) ?It catalyzes release of the vitamin from its protein-bound form. B) ?It attaches to the vitamin, thereby allowing absorption from the small intestine. C) ?It acts as a storage protein for the vitamin within the intestinal epithelial cells. D) ?It acts as a cofactor for mucosal enzymes involved in absorption of the vitamin.
Patients with the nephrotic syndrome may benefit from calcium supplementation of _____ milligrams daily
a. 500 to 1000 b. 1000 to 1500 c. 1500 to 2000 d. 2000 to 2500