Question 1

Examine the following diagram.The Y-shaped anticancer antibodies in the diagram do not cause cell death in healthy cells because healthy cells do not

Accepted Answer

A)  have telomeres. 
B)  have the genes that cause cell death. 
C)  require nutrients from blood. 
D)  have the target proteins on their surface. 
A)  have telomeres. 
B)  have the genes that cause cell death. 
C)  require nutrients from blood. 
D)  have the target proteins on their surface.

Question 2

A benign polyp in the colon always progresses to malignant colon cancer.

Accepted Answer

A) True 
 B)False

Question 3

Mutations cause only a few types of cancer.

Accepted Answer

A) True 
 B)False

Question 4

Cancers that spread throughout the body with life-threatening consequences are called ________.

Accepted Answer

The answer of Cancers that spread throughout the body with...

Question 5

Examine the following diagram.Which is most likely to have occurred in panel 3,depicting invasion?

Accepted Answer

A)  loss of adhesion dependence 
B)  initiation of angiogenesis 
C)  mutation of a proto-oncogene into an oncogene 
D)  activation of tumor suppressor genes 
A)  loss of adhesion dependence 
B)  initiation of angiogenesis 
C)  mutation of a proto-oncogene into an oncogene 
D)  activation of tumor suppressor genes

Question 6

Drugs that promote angiogenesis are used to treat cancer.

Accepted Answer

A) True 
 B)False

Question 7

Cancer in humans is caused

Accepted Answer

A)  only by environmental factors. 
B)  only by genetic factors. 
C)  by neither environmental nor genetic factors. 
D)  by both environmental and genetic factors. 
A)  only by environmental factors. 
B)  only by genetic factors. 
C)  by neither environmental nor genetic factors. 
D)  by both environmental and genetic factors.

Question 8

The cells in many late-stage precancerous polyps in the human colon usually contain

Accepted Answer

A)  normal tumor suppressor genes and at least one oncogene. 
B)  one inactive and one active copy of a tumor suppressor gene and normal proto-oncogenes. 
C)  two inactive copies of a tumor suppressor gene and two proto-oncogenes. 
D)  two inactive copies of a tumor suppressor gene and one oncogene. 
A)  normal tumor suppressor genes and at least one oncogene. 
B)  one inactive and one active copy of a tumor suppressor gene and normal proto-oncogenes. 
C)  two inactive copies of a tumor suppressor gene and two proto-oncogenes. 
D)  two inactive copies of a tumor suppressor gene and one oncogene.

Question 9

All viruses cause cancer.

Accepted Answer

A) True 
 B)False

Question 10

The p53 gene is nonfunctional in most colon cancers.

Accepted Answer

A) True 
 B)False

Question 11

Malignant colon cancer cells enter the bloodstream and move to the liver where they form ________ tumors.

Accepted Answer

The answer of Malignant colon cancer cells enter the bloodstream...

Question 12

Breast cancer that is not inherited is caused by ________ mutations.

Accepted Answer

The answer of Breast cancer that is not inherited is...

Question 13

A tumor that has gained the ability to spread throughout the body,generally with life-threatening consequences,is known as a ________ tumor.

Accepted Answer

A)  benign 
B)  polyp 
C)  malignant 
D)  growth-promoting 
A)  benign 
B)  polyp 
C)  malignant 
D)  growth-promoting

Question 14

Chemotherapy and radiation therapy target only abnormally large cells.

Accepted Answer

A) True 
 B)False

Question 15

For a virus to reproduce,it must insert its DNA into the host cell's genome,sometimes leading to activation of host cell genes.Which of the following host cell genes,when activated,would most likely result in cancer?

Accepted Answer

A)  proto-oncogene 
B)  tumor suppressor gene 
C)  p53 gene 
D)  DNA repair gene 
A)  proto-oncogene 
B)  tumor suppressor gene 
C)  p53 gene 
D)  DNA repair gene

Question 16

Mutations cause changes in ________ produced by a gene.

Accepted Answer

The answer of Mutations cause changes in ________ produced by...

Question 17

As indicated in the following diagram,in many human colon tumors,true malignancy is the result of

Accepted Answer

A)  the loss of the TIP30 tumor suppressor gene. 
B)  the loss of the p53 tumor suppressor gene. 
C)  the loss of the APC tumor suppressor gene. 
D)  a mutation in the c-myc gene. 
A)  the loss of the TIP30 tumor suppressor gene. 
B)  the loss of the p53 tumor suppressor gene. 
C)  the loss of the APC tumor suppressor gene. 
D)  a mutation in the c-myc gene.

Question 18

Which of the following is NOT true of cancer?

Accepted Answer

A)  Cancer involves cell proliferation. 
B)  Cancer can be caused by viruses. 
C)  Cancer results from a balanced production of positive and negative growth regulators. 
D)  Cancer involves the loss of a cell's ability to control cell division. 
A)  Cancer involves cell proliferation. 
B)  Cancer can be caused by viruses. 
C)  Cancer results from a balanced production of positive and negative growth regulators. 
D)  Cancer involves the loss of a cell's ability to control cell division.

Question 19

A harmless proliferation of cells in a human colon would be called a(n)________ polyp.

Accepted Answer

The answer of A harmless proliferation of cells in a...

Question 20

A protein is identified that starts a signal cascade leading to the activation of a gene that promotes cell division.This protein is coded for by a

Accepted Answer

A)  tumor suppressor gene. 
B)  oncogene. 
C)  proto-oncogene. 
D)  carcinogen. 
A)  tumor suppressor gene. 
B)  oncogene. 
C)  proto-oncogene. 
D)  carcinogen.

Exam 8: Cancer and Human Health

Examine the following diagram.The Y-shaped anticancer antibodies in the diagram do not cause cell death in healthy cells because healthy cells do not

A benign polyp in the colon always progresses to malignant colon cancer.

Mutations cause only a few types of cancer.

Cancers that spread throughout the body with life-threatening consequences are called ________.

Examine the following diagram.Which is most likely to have occurred in panel 3,depicting invasion?

Drugs that promote angiogenesis are used to treat cancer.

Cancer in humans is caused

The cells in many late-stage precancerous polyps in the human colon usually contain

All viruses cause cancer.

The p53 gene is nonfunctional in most colon cancers.

Malignant colon cancer cells enter the bloodstream and move to the liver where they form ________ tumors.

Breast cancer that is not inherited is caused by ________ mutations.

A tumor that has gained the ability to spread throughout the body,generally with life-threatening consequences,is known as a ________ tumor.

Chemotherapy and radiation therapy target only abnormally large cells.

For a virus to reproduce,it must insert its DNA into the host cell's genome,sometimes leading to activation of host cell genes.Which of the following host cell genes,when activated,would most likely result in cancer?

Mutations cause changes in ________ produced by a gene.

As indicated in the following diagram,in many human colon tumors,true malignancy is the result of

Which of the following is NOT true of cancer?

A harmless proliferation of cells in a human colon would be called a(n)________ polyp.

A protein is identified that starts a signal cascade leading to the activation of a gene that promotes cell division.This protein is coded for by a

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