A food scientist has chemicals analyzed a food item to determine its ingredients. One of the ingredients was a complex chemical that consisted of several hundred glucose molecules bonded together. When the scientist tested the complex chemical, he discovered it couldn't be digested by humans. Based on this information, the complex chemical was a form of _________.
A) Starch.
B) Sucrose.
C) Fiber.
D) Lactose.
Ans: C) Fiber.
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Discretionary kcalories are those that are:
a. discreet and not readily recognized in foods. b. carefully selected by their nutrient density. c. eliminated from the diet in order to protect the body from excess fat storage resulting in obesity. d. in excess of what the body needs to maintain health but not in excess of energy expenditure.
A person is underweight if their BMI is:
a. 30 kg/m2 or higher. b. 18.5-24.9 kg/m2. c. under 18.5 kg/m2. d. 25-29.9 kg/m2.
A ________ amino acid is one that can be converted into glucose.
A. glycogenic B. ketogenic C. nonessential D. glucogenic
All of the following increase a person's need for water EXCEPT:
a. physical activity. b. exposure to high altitudes. c. high intake of fruits and vegetables. d. exposure to cold weather.