On average, adolescents exceed current recommendations for total consumption of which nutrient?
a. sodium
b. calcium
c. iron
d. zinc
Ans: a. sodium
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The industrial application of heat to inactivate most but not all bacteria in a food is commonly known as
a. sanitization. b. sterilization. c. pasteurization. d. depathogenation. e. irradiation.
The recommended fiber intake for older adults is lower than for younger adults because
A) they are likely to consume less energy. B) they are likely to develop diverticular disease. C) they are at increased risk for constipation. D) their digestive tracts would be overwhelmed with higher fiber.
What is the difference between the chemical bonds in starch and those in cellulose??
A) ?Starch bonds are single. B) ?Starch bonds are fatty acids. C) ?Cellulose bonds release energy. D) ?Cellulose bonds are not hydrolyzed by human enzymes.
Duncan was a subject in a clinical study that was designed to determine the effects of certain diets on health. While participating in the study, he had to live in a special medical unit at the university hospital. He wasn't permitted to eat anything other than the synthetic formula diet provided by the researchers. The formula contained vitamins, choline, minerals, animal protein, purified water, and corn starch. Within a few weeks, Duncan developed patches of scaly skin on his arms and legs and bald spots on his head. When ________ were added to his formula, the signs of the nutritional deficiency disappeared.
A. essential fatty acids B. simple carbohydrates C. steroid hormones D. partially hydrogenated oils