How does alpha-tocopherol differ from beta-tocopherol?
A) saturation of side chain
B) number and location of methyl groups
C) source in the diet
D) ionic versus covalent bonding
Q. 2Which factor increases the risk of iron deficiency in older adults?
A) increased antacid use
B) menopause in older women
C) increased intake of vitamin C-rich foods
D) minimal outdoor activity
Q. 3Gram for gram, which element provides the most energy?
A) fats
B) alcohol
C) proteins
D) carbohydrates
Q. 4Which tocopherol form of vitamin E has biologic activity?
A) alpha
B) beta
C) gamma
D) delta
Q. 5What is a feature of calcium nutrition in the elderly?
A) The DRI is 800 to 1000 mg.
B) Calcium intakes are well below recommendations.
C) Calcium supplements are not effective sources of calcium due to poor digestibility.
D) Calcium from food is not well absorbed due to the intake of calcium-binding laxatives.
Q. 6What compound is an example of an energy-yielding nutrient?
A) protein
B) water
C) minerals
D) vitamins
Q. 7A deficiency of which vitamin is commonly associated with rickets?
A) A
B) D
C) E
D) K
Q. 8Which describes a research finding on vitamin D nutrition in the elderly?
A) Self-synthesis capacity is high.
B) The skin's capacity to synthesize the vitamin is reduced.
C) The presence of atrophic gastritis reduces bioavailability of the vitamin.
D) Symptoms of deficiency include dermatitis and diminished taste acuity.
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