Nutritional Sciences 132 Exam 1 Fall 1997

Nutritional Sciences 132 Exam 1 Fall 1997 - Nutritional...

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Nutritional Sciences 132 Exam 1 Fall 1997 1. What is the main difference between fiber and starch? a) Fiber does not contain carbon, but starch does. b) Fiber cannot be digested by human enzyme systems, but starch can. c) Fiber comes from cell contents and starch from cell walls. d) Fiber is found mainly in fruits while starch is in vegetables. 2. Lactose intolerance occurs in a) the majority of adults in the world b) the majority of infants in the world c) less than 25% of adults in the world d) mainly people of northern European origin 3. Sugar is most likely to play a role in a) criminal behavior b) dental caries c) hyperactivity d) micronutrient deficiencies 4. Added sugars: a) are those found in fruits b) can displace other nutrients c) are not listed in ingredient labels d) differ from subtracted sugars 5. Which is NOT a role of water? a) participant in chemical reactions b) temperature regulation c) lubricant d) source of hydrogen for synthesizing carbohydrates
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6. When blood glucose levels start dropping to the low-normal range, which substance is produced in larger amounts and promotes the breakdown of stored carbohydrate to glucose? a) insulin b) glucagon c) pepsin d) glycogen e) lactic acid 7. Which one of the following generalizations about water content, in terms of percent of weight, is correct? a) An obese woman has less water than a slim woman of the same age. b) A newborn infant has less water than a two-year-old. c) An elderly adult male has more body water than a young man. d) A slim woman has more water than the average man. 8. How are all carbohydrates (both digestible CHOs and fiber) similar? a) digested by enzymes of human GI tract b) taste sweet c) found only in plant products d) consist of units of 5-6 carbon atoms e) all of the above 9. Identify the correct sequence (from least to largest amounts) of either intake or output of body water under normal circumstances. a) input: beverages, food, metabolic water b) input: food, metabolic water, beverages c) output: feces, lungs and skin, kidney d) output: lungs and skin, kidney, feces 10. Which process does not have a carbohydrate as an end product? a) gluconeogenesis b) photosynthesis c) breakdown of starch in the digestive tract d) metabolism of fat
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11. Jack has been cycling for several hours. His starting, properly hydrated weight was 154 pounds. At what approximate weight would his water loss start to affect his performance? Choose the closest answer. a) 153 pounds b) 149 pounds c) 145 pounds d) 141 pounds 12. What is one effect of insoluble fiber in the diet? a) slows transit through the GI tract
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This note was uploaded on 03/27/2008 for the course NUTRI SCI 132 taught by Professor Anderson during the Spring '08 term at Wisconsin.

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Nutritional Sciences 132 Exam 1 Fall 1997 - Nutritional...

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