Nutritional Sciences 132 Exam 3 Fall 1997

Nutritional - Nutritional Sciences 132 EXAM 3 Fall 1997 Directions This exam includes 50 questions of equal weight Check that you have all of the

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Nutritional Sciences 132 EXAM 3 Fall 1997 Directions This exam includes 50 questions of equal weight. Check that you have all of the questions. You also need a computer answer sheet color-coded to match your question set. Use ONLY a No. 2 pencil. Write name and identification number on the computer answer sheet in the appropriate spaces, filling in the appropriate circles. Answer all questions on the computer answer sheet by filling in the circles. Choose the ONE best answer for each question. If necessary to change an answer, erase completely. Turn in your answer sheet at the back door. Show your question set, which you may then keep. You must turn in your answer sheet at the end of the 50- minute exam period. You are not allowed extra time to fill in ID or transfer answers from question set to answer sheet. You are expected to do that within the exam period. This is a WHITE exam. 1. Which is NOT a means by which phytochemicals help prevent cancer? a. Acting as anti-hormones b. Blocking the activation of certain carcinogens c. Increasing blood cholesterol levels d. Inducing higher levels of detoxification enzymes 2. Greater exposure to estrogen most likely ___________ breast cancer risk. a. increases b. decreases c. has little or no effect on d. normalizes 3. In the majority of epidemiological studies, a high intake of fruits and vegetables ___________ cancer risk. a. increases b. decreases c. has no effect on d. normalizes 4. Which is NOT true of beta-carotene? Beta-carotene a. is an antioxidant b. is converted into vitamin A in the body c. has been proven to prevent cancer in humans d. is responsible for the orange color of vegetables such as carrots and squash
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5. Which is NOT true of carcinogens? Carcinogens a. result from inadequate nutrient intake b. cause damage to DNA c. cause the initiation of cancer d. are sometimes ingested with food 6. “Hitting the wall” or “bonking” occurs when the body runs out of a. intramuscular fat b. glycogen c. protein stores d. aerobic capacity 7. Which is NOT an event in the three stage model of the development of cancer? a. initiation b. promotion c. differentiation d. progression 8. The initiation of a cancer cell involves a. genetic damage b. angiogenesis c. anti-hormones 9. In the antioxidant hypothesis, cancer results from damage to DNA by a. antioxidant b. radiation c. carcinogens d. free radical oxygen 10. Phytochemicals which prevent cancer by the induction of higher levels of
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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 - Nutritional Sciences 132 EXAM 3 Fall 1997 Directions This exam includes 50 questions of equal weight Check that you have all of the

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