Question 1

Contact inhibition means that

Accepted Answer

A)   there are more chromosomes within the nucleus than there should be.
B)   cells are able to divide without the presence of stimulatory growth factors.
C)   cells only divide a certain specified number of times and then quit.
D)   when cells come in contact with a neighbor, they stop dividing.
E)   cells have gained the ability to invade lymphatic and blood vessels.F) C) and E)
G) A) and E)

Question 2

When should screening for colorectal cancer begin?

Accepted Answer

A)   in 20s
B)   in 30s
C)   in 40s
D)   in 50s
E)   in 60sF) B) and E)
G) None of the above D

Question 3

What type of cancer causes the most deaths in males?

Accepted Answer

A)   prostate
B)   lung and bronchus
C)   colon and rectum
D)   pancreas
E)   esophagusF) D) and E)
G) A) and C)

Question 4

Which of the following characteristics is not associated with metastasis?

Accepted Answer

A)   The internal cytoskeleton is disorganized.
B)   The cancer cells lack intact actin filament bundles.
C)   Invasive cancer cells are sperm-shaped.
D)   Cancer cells produce proteinase enzymes.
E)   The low oxygen content in the middle of a tumor may turn on genes for angiogenesis.F) All of the above
G) A) and D)

Question 5

The ends of the chromosomes are "capped" with special repetitive DNA sequences called

Accepted Answer

A)   radiata.
B)   telomeres.
C)   centromeres.
D)   oncogenes.
E)   suppressor genes.F) None of the above
G) B) and C)

Question 6

Explain what the acronym CAUTION means in regard to the warning signs of cancer.

Accepted Answer

C = change in bowel or bladder habits
A = a sore that does not heal
U = unusual bleeding or discharge
T = thickening or difficulty in swallowing
I = indigestion or difficulty in swallowing
O = obvious change in wart or mole
N = nagging cough or hoarseness

Question 7

Which two tests are done for prostate cancer?

Accepted Answer

A)   mammography, fecal occult blood test
B)   digital rectal examination, Pap test
C)   PSA, testicle self-examination
D)   digital rectal examination, PSA
E)   testicle self-examination, fecal occult blood testF) C) and D)
G) B) and C)

Question 8

Which of the following is not a type of chemotherapy?

Accepted Answer

A)   alkylating agents
B)   antimetabolites
C)   antitumor antibiotics
D)   bone marrow transplants
E)   mitotic inhibitorsF) A) and B)
G) A) and C)

Question 9

Which of the following is not a type of proto-oncogene?

Accepted Answer

A)   the gene for cyclin D
B)   growth factor receptor genes
C)   the gene that codes for Ras proteins
D)   growth factor genes
E)   the gene for p53F) A) and B)
G) A) and C)

Question 10

How often should a woman do a shower self-examination of her breasts for lumps, knots, or changes?

Accepted Answer

A)   daily
B)   once a week
C)   once a month
D)   once every 6 months
E)   once a yearF) A) and D)
G) A) and B)

Question 11

If a tumor suppressor gene becomes mutated, which of the following is not true?

Accepted Answer

A)   Apoptosis is less likely to occur.
B)   The cell cycle continues when it should not.
C)   A "gain-of function" mutation has occurred.
D)   Genes that encode enzymes that repair DNA are not turned on.
E)   Genes that stop the cell cycle are not turned on.F) C) and D)
G) A) and E) C

Question 12

Which of the following is not a characteristic of cancer cells that distinguishes it from normal cells?

Accepted Answer

A)   Cancer cells lack differentiation.
B)   Cancer cells have abnormal nuclei.
C)   Cancer cells utilize mitosis to divide.
D)   Cancer cells have an unlimited potential to replicate.
E)   Cancer cells form tumors.F) A) and E)
G) B) and E)

Question 13

Both heredity and environmental risk factors come into play in the development of cancer.

Accepted Answer

A) True 
 B)False

Question 14

Which of the following is a side effect of radiation therapy that is not also a side effect of chemotherapy?

Accepted Answer

A)   nausea, vomiting
B)   dry, red, irritated skin and/or blisters
C)   diarrhea
D)   fatigue and weakness
E)   weight loss and hair lossF) C) and D)
G) A) and B)

Question 15

Which of the following tests is not used to screen for colon cancer?

Accepted Answer

A)   blood test
B)   digital examination
C)   flexible sigmoidoscopy
D)   fecal occult blood test
E)   double-contrast barium enemaF) C) and D)
G) A) and B)

Question 16

What type of test is a CEA test?

Accepted Answer

A)   self-examination
B)   a type of prostate cancer test
C)   a type of cervical cancer test
D)   a genetic test
E)   a tumor marker testF) A) and B)
G) A) and C)

Question 17

Which of the following is not a type of ionizing radiation?

Accepted Answer

A)   ultraviolet radiation
B)   radon gas
C)   nuclear fuel
D)   X-rays
E)   none of these are ionizing radiationF) A) and E)
G) B) and D)

Question 18

Antiangiogenic drugs cause cytotoxic T cells to attack tumor cells.

Accepted Answer

A) True 
 B)False

Question 19

Which of the following is not one of the things to watch for in a mole?

Accepted Answer

A)   asymmetry
B)   irregular border
C)   a solid color, usually brown
D)   larger than 6 mm
E)   elevated above the skin surfaceF) D) and E)
G) A) and E)

Question 20

Hodgkin lymphomas develop from

Accepted Answer

A)   cells of the liver and spleen.
B)   all types of white blood cells.
C)   B or T cells.
D)   mutated B cells.
E)   bladder epithelial cells.F) All of the above
G) C) and D)

Exam 19: Cancer

Contact inhibition means that

Correct AnswerverifiedShow Answer

When should screening for colorectal cancer begin?

Correct AnswerverifiedD

What type of cancer causes the most deaths in males?

Correct AnswerverifiedShow Answer

Which of the following characteristics is not associated with metastasis?

Correct AnswerverifiedShow Answer

The ends of the chromosomes are "capped" with special repetitive DNA sequences called

Correct AnswerverifiedShow Answer

Explain what the acronym CAUTION means in regard to the warning signs of cancer.

Correct AnswerverifiedC = change in bowel or bladder habits A = a sore that does not heal U = unusual bleeding or discharge T = thickening or difficulty in swallowing I = indigestion or difficulty in swallowing O = obvious change in wart or mole N = nagging cough or hoarseness

Which two tests are done for prostate cancer?

Correct AnswerverifiedShow Answer

Which of the following is not a type of chemotherapy?

Correct AnswerverifiedShow Answer

Which of the following is not a type of proto-oncogene?

Correct AnswerverifiedShow Answer

How often should a woman do a shower self-examination of her breasts for lumps, knots, or changes?

Correct AnswerverifiedShow Answer

If a tumor suppressor gene becomes mutated, which of the following is not true?

Correct AnswerverifiedC

Which of the following is not a characteristic of cancer cells that distinguishes it from normal cells?

Correct AnswerverifiedShow Answer

Both heredity and environmental risk factors come into play in the development of cancer.

Correct AnswerverifiedShow Answer

Which of the following is a side effect of radiation therapy that is not also a side effect of chemotherapy?

Correct AnswerverifiedShow Answer

Which of the following tests is not used to screen for colon cancer?

Correct AnswerverifiedShow Answer

What type of test is a CEA test?

Correct AnswerverifiedShow Answer

Which of the following is not a type of ionizing radiation?

Correct AnswerverifiedShow Answer

Antiangiogenic drugs cause cytotoxic T cells to attack tumor cells.

Correct AnswerverifiedShow Answer

Which of the following is not one of the things to watch for in a mole?

Correct AnswerverifiedShow Answer

Hodgkin lymphomas develop from

Correct AnswerverifiedShow Answer

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C = change in bowel or bladder habits A = a sore that does not heal U = unusual bleeding or discharge T = thickening or difficulty in swallowing I = indigestion or difficulty in swallowing O = obvious change in wart or mole N = nagging cough or hoarseness

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C

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