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) A) and E)
G) A) and C)

Question 2

Thus far no evidence has been found that nonionizing radiation,such as the energy given off by cell phones,causes cancer.

Accepted Answer

A) True 
 B)False

Question 3

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

Accepted Answer

A) True 
 B)False

Question 4

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) B) and E)
G) A) and D)

Question 5

Which of the following factors can lead to cancer?

Accepted Answer

A)  radiation
B)  BRCA1 gene
C)  tobacco smoke
D)  radon gas
E)  all of these can lead to cancerF) A) and B)
G) B) and E)

Question 6

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) C) and E)
G) A) and D)

Question 7

Currently most cancers are diagnosed before metastasis.

Accepted Answer

A) True 
 B)False

Question 8

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) A) and C)
G) B) and C)

Question 9

Which of the following is not a protective behavior that will help prevent cancer?

Accepted Answer

A)  Don't use tobacco.
B)  Increase consumption of salt-cured,smoked,and nitrite-cured foods.
C)  Don't sunbathe.
D)  Avoid radiation.
E)  Increase consumption of vegetables from the cabbage family.F) None of the above
G) C) and D)

Question 10

The American Cancer Society publicizes seven warning signals,which spell out the word CAUTION.The "C" in CAUTION stands for change in

Accepted Answer

A)  skin coloring.
B)  bowel or bladder habits.
C)  sensitivity to heat or cold.
D)  sleep habits.
E)  eating habits.F) C) and E)
G) B) and C)

Question 11

Cancers of epithelial tissues are called

Accepted Answer

A)  leukemias.
B)  sarcomas.
C)  carcinomas.
D)  lymphomas.
E)  blastomas.F) None of the above
G) A) and E)

Question 12

Epstein-Barr virus is routinely isolated from cases of cervical cancers.

Accepted Answer

A) True 
 B)False

Question 13

Which of the following is not a type of immunotherapy?

Accepted Answer

A)  cancer vaccines
B)  anti-p53 engineered adenovirus
C)  cytokine therapy
D)  monoclonal antibodies
E)  genetically engineered antigen presenting cellsF) B) and E)
G) A) and B)

Question 14

What do BRCA1 and p53 have in common?

Accepted Answer

A)  Both cause breast cancer.
B)  Both cause eye cancers.
C)  Both are oncogenes.
D)  Both are tumor suppressors.
E)  Both are inherited as autosomal dominant traits.F) A) and B)
G) B) and D)

Question 15

Which type of test is particularly useful in analyzing tumors in tissues surrounded by bone?

Accepted Answer

A)  X-ray
B)  CAT scan
C)  MRI
D)  PSA
E)  Pap testF) B) and C)
G) C) and D)

Question 16

If the gene for telomerase is turned off in a cell,this is an indication this is a cancer cell.

Accepted Answer

A) True 
 B)False

Question 17

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) A) and B)
G) None of the above

Question 18

The earlier a cancer is detected,the more likely it can be effectively treated.

Accepted Answer

A) True 
 B)False

Question 19

If you have one of the seven warning signals in CAUTION,this means that you have cancer.

Accepted Answer

A) True 
 B)False

Question 20

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) A) and E)
G) B) and D)

Exam 20: Cancer

Which two tests are done for prostate cancer?

Correct AnswerverifiedShow Answer

Which of the following is not a type of immunotherapy?

Correct AnswerverifiedShow Answer

Contact inhibition means that

Correct AnswerverifiedShow Answer

If the gene for telomerase is turned off in a cell,this is an indication this is a cancer cell.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

If you have one of the seven warning signals in CAUTION,this means that you have cancer.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Cancers of epithelial tissues are called

Correct AnswerverifiedShow Answer

Which of the following factors can lead to cancer?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

The earlier a cancer is detected,the more likely it can be effectively treated.

Correct AnswerverifiedShow Answer

Thus far no evidence has been found that nonionizing radiation,such as the energy given off by cell phones,causes cancer.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Currently most cancers are diagnosed before metastasis.

Correct AnswerverifiedShow Answer

The American Cancer Society publicizes seven warning signals,which spell out the word CAUTION.The "C" in CAUTION stands for change in

Correct AnswerverifiedShow Answer

What do BRCA1 and p53 have in common?

Correct AnswerverifiedShow Answer

What type of cancer causes the most deaths in males?

Correct AnswerverifiedShow Answer

Which of the following is not a protective behavior that will help prevent cancer?

Correct AnswerverifiedShow Answer

Epstein-Barr virus is routinely isolated from cases of cervical cancers.

Correct AnswerverifiedShow Answer

Which type of test is particularly useful in analyzing tumors in tissues surrounded by bone?

Correct AnswerverifiedShow Answer

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