Devita, Hellman, and Rosenberg's Cancer

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Chapter 4•Etiology of Cancer Part 2 61

Question 4.23. Case-control studies examining the role of diet in the cause of cancer do

not suffer from recall bias.

A. True

B. False

Question 4.24. Which of the following instruments is the most widely used in population-

based studies of dietary intake?

A. Food-frequency questionnaire

B. 24-hour recall record

C. 7-day diet record

D. None of the above

Question 4.25. In the American Cancer Society Cohort Study from 1982 to 1998 exam-

ining the relation of BMI in 1982 and the risk of death from all cancers,

obese individuals had a higher risk of cancer-related mortality from all of

the following cancers, EXCEPT:

A. Pancreas cancer

B. Colorectal cancer

C. Brain cancer

D. Kidney cancer

Question 4.26. Which of the following statements regarding alcohol consumption is

NOT True?

A. Consumption of alcohol increases the risk of breast and colorectal

carcinomas.

B. In most cancers, there are significant differences in risk of cancer

development according to the type of alcoholic beverage.

C. Acetaldehyde is the main metabolite of alcohol and a known carcino-

gen.

D. In the developed world, approximately 75% of laryngeal cancers are

attributed to alcohol and tobacco.

Question 4.27. There is clear association between dietary fat consumption and the risk

of developing breast cancer in women.

A. True

B. False

Question 4.28. Regular consumption of red meat is associated with an increased risk of

which of the following cancers?

A. Larynx cancer

B. Colorectal cancer

C. Liver cancer

D. Esophagus cancer