A primary function of the digestive system is the ________.
A. breakdown of food into nutrients
B. transmission of nervous impulses
C. production of red blood cells
D. destruction of toxic metabolic by-products
Answer: A
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Individuals who have diseases that result in the malabsorption of ________ are at risk for a vitamin D deficiency.
A. carbohydrate. B. fat. C. minerals. D. protein.
Indirect calorimetry measures ________and _______ to estimate energy expenditure.
a. food consumed, heat produced b. food consumed, water excreted c. oxygen consumed, carbon dioxide expired d. oxygen consumed, sweat produced
How can you tell if a food has been irradiated to preserve it?
A. Test the food for nutrient losses B. Look for the Radura symbol on the package C. Observe any unusual color changes in the food D. Smell the food and note any "off" flavors
How does excess carbohydrate intake contribute to obesity?
a. It is efficiently converted to storage fat b. It spares oxidation of body fat and dietary fat c. It stimulates glucagon release, resulting in inhibition of fatty acid oxidation d. It stimulates pancreatic lipase secretion, which results in higher dietary fat absorption