Vitamin D is unique among nutrients in that the body can synthesize all it needs with the help of _____.
1.calcium
2.dark green leafy vegetables
3.sunlight
4.dietary fat
5.adequate carbohydrate consumption
Q. 2The inflammation that tissues undergo when they become injured or irritated:
a. is an abnormal, unhealthy response to cell injury.
b. results in decreased white cells.
c. may involve loss of function of the affected body part.
d. is difficult to detect because it has no obvious symptoms.
e. is not associated with long-term chronic disease risk.
Q. 3Which of the following is a precursor form of Vitamin A?
1.Retinol
2.Beta-carotene
3.Rhodopsin
4.Keratin
5.Retin-A
Q. 4Which of the following are the first to defend the body tissues against microbes that have penetrated the outermost barrier?
a. phagocytes
b. antigens
c. T-cells
d. B-cells
e. skin cells
Q. 5Deficiencies and excesses of vitamin A can both be fatal. How could an excess of vitamin A occur?
1.Excess dietary beta-carotene
2.Excess dairy product consumption
3.Excess fish consumption
4.Excess cereal consumption
5.Excess use of supplements
Q. 6Which of the following does not occur as part of the stress response?
a. The muscles tense up.
b. The liver pours forth glucose from its stores.
c. The digestive system speeds up.
d. The fat cells release fat.
e. The heart rate increases.
Q. 7Which fat-soluble vitamin is involved in gene expression, vision, immune defense, reproduction, and growth of bones and the body?
1.A
2.D
3.E
4.K