Which of the following statements is FALSE concerning vitamin C?
A) Vitamin C helps the immune system by protecting white blood cells from oxidation.
B) Smokers should consume less vitamin C than non-smokers.
C) Vitamin C is also known as ascorbic acid.
D) Vitamin C acts as an antioxidant that may help to reduce the risk of chronic diseases.
B
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Which statement is NOT true regarding vitamin A's role in vision?
a. Rhodopsin is a pigment made up of opsin and retinal. b. When rhodopsin absorbs light, retinal is released from rhodopsin forming opsin. c. Vitamin A deficiency delays reformation of rhodopsin, resulting in night blindness. d. When light strikes rhodopsin, retinal changes its shape from trans to cis.
Which of the following, found in high-fiber foods, inhibits the absorption of iron and zinc?
A) heme B) oxalic acid C) pyridoxine D) phenol
Types of formulas that contain complete proteins are called:
a. disease-specific formulas. b. hydrolyzed formulas. c. standard formulas. d. modular formulas.
In which type of emulsion are the oil droplets dispersed throughout the water?
A. emulsion B. surfactant C. lipid emulsion D. water-in-oil emulsion