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Human Biology, 7/e
Dr. Sylvia S. Mader

Cancer

True/False

Please answer all questions



1

Unlike direct sunlight, tanning machines are not associated with the development of malignant melanoma. (p. 443)
A)True
B)False
2

Cancer cells undergo uncontrolled growth. (p. 444)
A)True
B)False
3

Gene amplification is more common in normal cells than in cancer cells. (p. 444)
A)True
B)False
4

Tumors undergoing metastasis are establishing new and distant tumors. (p. 444)
A)True
B)False
5

A tumor-suppressor gene prevents cancer from occurring. (p. 446)
A)True
B)False
6

A change in many nucleotide pairs is necessary to convert a normal ras proto-oncogene to an oncogene. (p. 446)
A)True
B)False
7

Ordinarily, tumor-suppressor genes code for growth-inhibitory proteins whose presence prevents uncontrolled growth during the cell cycle. (p. 446)
A)True
B)False
8

In adults, cells that have DNA damage beyond repair usually undergo apoptosis. (p. 448)
A)True
B)False
9

Certain types of cancers run in families. (p. 448)
A)True
B)False
10

A mutagen increases the chance of a mutation. (p. 448)
A)True
B)False
11

When smoking is combined with drinking alcohol, the risk of cancer increases even more. (p. 449)
A)True
B)False
12

Tumors release substances that provoke an antibody response, enabling tumor marker tests. (p. 450)
A)True
B)False
13

PSA is a test for prostate cancer. (pp. 450-451)
A)True
B)False
14

Multidrug resistance means that cancer cells have become resistant to combinations of drugs. (p. 453)
A)True
B)False
15

Monoclonal antibodies alone are very effective at killing cancer cells. (p. 454)
A)True
B)False
16

TIMPs may be able to prevent metastasis. (p. 455)
A)True
B)False
17

One aim of chemoprevention is to promote differentiation. (p. 455)
A)True
B)False