Question 1

All the following are strategies to reduce your risk of cancer, EXCEPT:

Accepted Answer

A)   avoid tobacco.
B)   control diet and weight.
C)   get adequate sunshine.
D)   avoid environmental and occupational carcinogens.E) C) and D)
F) A) and B)

Question 2

Carotenoids include all of the following, EXCEPT:

Accepted Answer

A)   beta-carotene
B)   xanthan
C)   lutein
D)   lycopeneE) All of the above
F) A) and C)

Question 3

Urban air pollution plays a significant role in the development of lung cancer for most people.

Accepted Answer

A) True 
 B)False

Question 4

Which of the following statements about ultraviolet radiation is TRUE?

Accepted Answer

A)   It's best to avoid outdoor activity in the late afternoon because the sun's rays are most intense after 3 p.m.
B)   Swimming is a good choice of outdoor activity because ultraviolet rays cannot penetrate water.
C)   Sand reflects ultraviolet radiation, so beach-goers need to wear sunscreen even if they sit under a beach umbrella.
D)   You do not need to wear sunscreen when outdoors at high elevations because the atmosphere at high altitude filters out most ultraviolet radiation.E) All of the above
F) A) and D)

Question 5

Which one of the following is a good source of phytochemicals?

Accepted Answer

A)   lean portion of beef
B)   non-fat milk
C)   halibut
D)   broccoliE) All of the above
F) A) and B)

Question 6

A section of DNA that controls the production of a protein is a

Accepted Answer

A)   gene.
B)   chromosome.
C)   nucleotide.
D)   double helix.E) A) and B)
F) B) and C)

Question 7

Which of the following poses the greatest threat for the development of lung cancer among non-smokers?

Accepted Answer

A)   inactivity
B)   sun exposure
C)   high-fat diet
D)   exposure to environmental tobacco smokeE) All of the above
F) C) and D)

Question 8

The most common cause of cancer death in North America is

Accepted Answer

A)   breast cancer.
B)   colon and rectal cancer.
C)   prostate cancer.
D)   lung cancer.E) A) and C)
F) B) and C)

Question 9

Define carcinogen; give four examples of carcinogens and describe how they may cause cancer.

Accepted Answer

Answers will vary
Consider:

Ca...

Question 10

Sigmoidoscopy or colonoscopy is recommended to screen for ____________ cancer.

Accepted Answer

A)   colon and rectal
B)   uterine
C)   throat
D)   lungE) B) and D)
F) A) and C)

Question 11

Exposure to carcinogens in the environment causes about one-third of all cancers.

Accepted Answer

A) True 
 B)False

Question 12

Leukemia is cancer of the

Accepted Answer

A)   gastrointestinal tract.
B)   lymph nodes.
C)   urinary tract.
D)   blood-forming cells.E) A) and B)
F) A) and C)

Question 13

Which of the following is NOT a risk factor for breast cancer?

Accepted Answer

A)   alcohol use
B)   early onset of menstruation
C)   early motherhood
D)   obesityE) A) and D)
F) C) and D)

Question 14

Ultraviolet rays are

Accepted Answer

A)   suppressor agents.
B)   oncogenes.
C)   cancer initiators.
D)   cancer promoters.E) A) and B)
F) A) and C)

Question 15

If not detected early, basal cell skin cancer is the most dangerous skin cancer.

Accepted Answer

A) True 
 B)False

Question 16

Most brain cancers develop without a specific trigger.

Accepted Answer

A) True 
 B)False

Question 17

A mammogram is used to test for which type of cancer?

Accepted Answer

A)   colon
B)   breast
C)   prostate
D)   rectalE) B) and D)
F) A) and B)

Question 18

Foods are a better source of phytochemicals than supplements are for all the following reasons, EXCEPT:

Accepted Answer

A)   isolated phytochemicals may be harmful in high doses.
B)   supplements do not contain antioxidants.
C)   whole foods can have nutritional benefits not available from supplements.
D)   the anticancer effects of phytochemicals may be due to several chemicals from a single food working in combination.E) B) and C)
F) None of the above

Question 19

All the following are true about prostate cancer, EXCEPT:

Accepted Answer

A)   is the third leading cause of cancer death in men.
B)   is the most common cancer in males.
C)   is influenced by diet and lifestyle.
D)   is associated with lack of fruit and vegetable consumption.E) B) and C)
F) A) and B)

Question 20

Explain the difference between a benign tumour and a malignant tumour; include a description of metastasis in your answer. Finally, provide an example of one of the four classes of malignant tumours-list the type of cells that gives rise to it and where on the body it may cause cancer.

Accepted Answer

Answers will vary
Consider:

Benign (non...

Exam 8: Cancer

A section of DNA that controls the production of a protein is a

Correct AnswerverifiedShow Answer

Explain the difference between a benign tumour and a malignant tumour; include a description of metastasis in your answer. Finally, provide an example of one of the four classes of malignant tumours-list the type of cells that gives rise to it and where on the body it may cause cancer.

Correct AnswerverifiedAnswers will varyConsider: Benign (non...View AnswerShow Answer

Most brain cancers develop without a specific trigger.

Correct AnswerverifiedShow Answer

The most common cause of cancer death in North America is

Correct AnswerverifiedShow Answer

If not detected early, basal cell skin cancer is the most dangerous skin cancer.

Correct AnswerverifiedShow Answer

Carotenoids include all of the following, EXCEPT:

Correct AnswerverifiedShow Answer

All the following are true about prostate cancer, EXCEPT:

Correct AnswerverifiedShow Answer

Sigmoidoscopy or colonoscopy is recommended to screen for ____________ cancer.

Correct AnswerverifiedShow Answer

Which one of the following is a good source of phytochemicals?

Correct AnswerverifiedShow Answer

All the following are strategies to reduce your risk of cancer, EXCEPT:

Correct AnswerverifiedShow Answer

Foods are a better source of phytochemicals than supplements are for all the following reasons, EXCEPT:

Correct AnswerverifiedShow Answer

Urban air pollution plays a significant role in the development of lung cancer for most people.

Correct AnswerverifiedShow Answer

Define carcinogen; give four examples of carcinogens and describe how they may cause cancer.

Correct AnswerverifiedAnswers will varyConsider:Ca...View AnswerShow Answer

Ultraviolet rays are

Correct AnswerverifiedShow Answer

Which of the following is NOT a risk factor for breast cancer?

Correct AnswerverifiedShow Answer

A mammogram is used to test for which type of cancer?

Correct AnswerverifiedShow Answer

Leukemia is cancer of the

Correct AnswerverifiedShow Answer

Which of the following statements about ultraviolet radiation is TRUE?

Correct AnswerverifiedShow Answer

Exposure to carcinogens in the environment causes about one-third of all cancers.

Correct AnswerverifiedShow Answer

Which of the following poses the greatest threat for the development of lung cancer among non-smokers?

Correct AnswerverifiedShow Answer

Correct Answer
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Answers will vary
Consider:
Benign (non...
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
verified
Answers will vary
Consider:
Ca...
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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