Deficiencies 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
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The majority of TEE is accounted for by:
a. thermic effect of food. b. physical activity. c. basal metabolism. d. adaptive thermogenesis. e. nonexercise activity thermogenesis.
For which nutrient is the DRI (i.e., RDA/AI) increased for people who smoke cigarettes?
a. Selenium b. Vitamin C c. Vitamin E d. Beta-carotene
Mikalia refuses to maintain a normal weight for her age and height, has an intense fear of becoming fat, regularly self-induces vomiting, and uses laxatives to lose weight. Based upon diagnostic criteria for eating disorders, which disorder does Mikalia exhibit?
a. binge-eating/purging type anorexia nervosa b. binge-eating disorder c. restrictive dieting d. bulimia nervosa e. restricting type anorexia nervosa
When considering the digestion and absorption of proteins, it is important to know that:
a. proteins are broken down into individual amino acids and absorbed by all intestinal cell absorption sites at an equal rate. b. larger peptide molecules must be completely broken down into amino acids to be absorbed into the bloodstream from the intestine. c. cells in the small intestine absorb different types of amino acids at separate absorption sites, which causes competition by similar amino acids at these absorption sites. d. amino acids need a carrier in the bloodstream because they do not transport very well alone. e. protein digestion and absorption requires simultaneous ingestion of some form of carbohydrate.