Question 1

The following is a list of carcinogens. Match each to the type of cancer with which it is associated.
-lung cancer

Accepted Answer

A) smoke 
B) ultraviolet light 
C) HTLV-1 virus 
D) human papilloma virus 
E) red meat and saturated animal fat 
A) smoke 
B) ultraviolet light 
C) HTLV-1 virus 
D) human papilloma virus 
E) red meat and saturated animal fat

Question 2

The use of laser light to trigger toxic reactions specific to cancer cells is referred to as

Accepted Answer

A)  angiogenesis. 
B)  molecular annihilation. 
C)  photosynthesis. 
D)  fluorescent microscopy. 
E)  photodynamic therapy. 
A)  angiogenesis. 
B)  molecular annihilation. 
C)  photosynthesis. 
D)  fluorescent microscopy. 
E)  photodynamic therapy.

Question 3

All of the following infectious microorganisms are thought to contribute to cancer EXCEPT which one?

Accepted Answer

A)  E. coli 
B)  Epstein-Barr virus 
C)  human papillomavirus 
D)  Helicobacter pylori 
E)  hepatitis B virus 
A)  E. coli 
B)  Epstein-Barr virus 
C)  human papillomavirus 
D)  Helicobacter pylori 
E)  hepatitis B virus

Question 4

Under normal circumstances, several important types of genes control the activities of cells. Some of these genes (proto-oncogenes, tumor suppressor genes, and mutator genes) have critical roles in regulating cell growth and division, as well as repair of DNA during replication. Despite their important roles, mutations to any one of these genes alone do not induce a cancerous condition. Explain why.

Accepted Answer

Alterations of these genes may increase

Question 5

When hyperplasia develops, signaling a loss of control of cell division, it always results in cancer.

Accepted Answer

A) True 
 B)False

Question 6

Unlike traditional vaccines, cancer vaccines are administered to an individual after he or she has developed the illness.

Accepted Answer

A) True 
 B)False

Question 7

Damage to mutator genes increase the likelihood of cancers because the gene products of the normal genes repair DNA.

Accepted Answer

A) True 
 B)False

Question 8

The detection of an enzyme called ________ in a cell is an indicator that the cell may be cancerous because it is rarely present in normal cells.

Accepted Answer

The answer of The detection of an enzyme called ________...

Question 9

Which one of the following carcinogens accounts for 30% of all cancer deaths?

Accepted Answer

A)  environmental chemicals (e.g., asbestos, pesticides, soot, coal tar) 
B)  tobacco smoke 
C)  ultraviolet light 
D)  ionizing radiation (X rays) 
E)  radon gas 
A)  environmental chemicals (e.g., asbestos, pesticides, soot, coal tar) 
B)  tobacco smoke 
C)  ultraviolet light 
D)  ionizing radiation (X rays) 
E)  radon gas

Question 10

Which one of the following statements is TRUE regarding photodynamic therapy?

Accepted Answer

A)  It involves the use of light-sensitive drugs to target a cancer. 
B)  It uses magnets to attract beads coated with a chemotherapeutic drug to a cancer. 
C)  It is used for the treatment of cancers of the breast and ovary. 
D)  It inhibits angiogenesis. 
E)  It involves the use of antibodies to deliver treatments to a cancer. 
A)  It involves the use of light-sensitive drugs to target a cancer. 
B)  It uses magnets to attract beads coated with a chemotherapeutic drug to a cancer. 
C)  It is used for the treatment of cancers of the breast and ovary. 
D)  It inhibits angiogenesis. 
E)  It involves the use of antibodies to deliver treatments to a cancer.

Question 11

A diet high in red meat and saturated fat increases the risk for ________ cancers.

Accepted Answer

A)  colon, rectum, and prostate gland 
B)  breast and liver 
C)  brain and lung 
D)  lung, stomach, and liver 
E)  colon, breast, and liver 
A)  colon, rectum, and prostate gland 
B)  breast and liver 
C)  brain and lung 
D)  lung, stomach, and liver 
E)  colon, breast, and liver

Question 12

Cancers that metastasize and invade normal tissues to impede their functions are called

Accepted Answer

A)  benign tumors. 
B)  keratosis. 
C)  malignant tumors. 
D)  in situ cancer. 
E)  neoplasm. 
A)  benign tumors. 
B)  keratosis. 
C)  malignant tumors. 
D)  in situ cancer. 
E)  neoplasm.

Question 13

Precancerous growths in the colon are known as ________; these can usually be removed surgically.

Accepted Answer

The answer of Precancerous growths in the colon are known...

Question 14

Which one of the following CORRECTLY represents the progression to cancer?

Accepted Answer

A)  in situ, dysplasia, hyperplasia, malignancy 
B)  dysplasia, in situ tumor, malignancy, hyperplasia 
C)  hyperplasia, dysplasia, in situ tumor, malignancy 
D)  dysplasia, hyperplasia, malignancy, in situ tumor 
E)  malignancy, in situ tumor, hyperplasia, dysplasia 
A)  in situ, dysplasia, hyperplasia, malignancy 
B)  dysplasia, in situ tumor, malignancy, hyperplasia 
C)  hyperplasia, dysplasia, in situ tumor, malignancy 
D)  dysplasia, hyperplasia, malignancy, in situ tumor 
E)  malignancy, in situ tumor, hyperplasia, dysplasia

Question 15

In order for a cancer to develop, cells must be capable of breaking away from neighboring cells, and they must ignore growth-inhibitory signals from other cells, resulting in uncontrolled growth and cell division.

Accepted Answer

A) True 
 B)False

Question 16

The following is a list of carcinogens. Match each to the type of cancer with which it is associated.
-leukemia

Accepted Answer

A) smoke 
B) ultraviolet light 
C) HTLV-1 virus 
D) human papilloma virus 
E) red meat and saturated animal fat 
A) smoke 
B) ultraviolet light 
C) HTLV-1 virus 
D) human papilloma virus 
E) red meat and saturated animal fat

Question 17

One method for detecting tumors in body tissue involves the use of radioactive materials to create three-dimensional images showing metabolic activity of a specific tissue. This technique is referred to as

Accepted Answer

A)  magnetic resonance imaging. 
B)  positron-emission tomography. 
C)  mammography. 
D)  electrophoresis. 
E)  photodynamic therapy. 
A)  magnetic resonance imaging. 
B)  positron-emission tomography. 
C)  mammography. 
D)  electrophoresis. 
E)  photodynamic therapy.

Question 18

The chance that an individual in the United States will experience some form of cancer in his or her lifetime is

Accepted Answer

A)  1 in 3. 
B)  1 in 10. 
C)  1 in 25. 
D)  1 in 1,000. 
E)  1 in 10,000. 
A)  1 in 3. 
B)  1 in 10. 
C)  1 in 25. 
D)  1 in 1,000. 
E)  1 in 10,000.

Question 19

Telomerase is an enzyme characteristic of normal cells that is active in DNA repair; most cancer cells have been found to lack telomerase.

Accepted Answer

A) True 
 B)False

Question 20

The "ABCD" rule is used in the detection of ________, a type of skin cancer.

Accepted Answer

The answer of The "ABCD" rule is used in the...

Exam 18: Cancer: Uncontrolled Cell Division and Differentiation

The following is a list of carcinogens. Match each to the type of cancer with which it is associated. -lung cancer

The use of laser light to trigger toxic reactions specific to cancer cells is referred to as

All of the following infectious microorganisms are thought to contribute to cancer EXCEPT which one?

When hyperplasia develops, signaling a loss of control of cell division, it always results in cancer.

Unlike traditional vaccines, cancer vaccines are administered to an individual after he or she has developed the illness.

Damage to mutator genes increase the likelihood of cancers because the gene products of the normal genes repair DNA.

The detection of an enzyme called ________ in a cell is an indicator that the cell may be cancerous because it is rarely present in normal cells.

Which one of the following carcinogens accounts for 30% of all cancer deaths?

Which one of the following statements is TRUE regarding photodynamic therapy?

A diet high in red meat and saturated fat increases the risk for ________ cancers.

Cancers that metastasize and invade normal tissues to impede their functions are called

Precancerous growths in the colon are known as ________; these can usually be removed surgically.

Which one of the following CORRECTLY represents the progression to cancer?

In order for a cancer to develop, cells must be capable of breaking away from neighboring cells, and they must ignore growth-inhibitory signals from other cells, resulting in uncontrolled growth and cell division.

The following is a list of carcinogens. Match each to the type of cancer with which it is associated. -leukemia

One method for detecting tumors in body tissue involves the use of radioactive materials to create three-dimensional images showing metabolic activity of a specific tissue. This technique is referred to as

The chance that an individual in the United States will experience some form of cancer in his or her lifetime is

Telomerase is an enzyme characteristic of normal cells that is active in DNA repair; most cancer cells have been found to lack telomerase.

The "ABCD" rule is used in the detection of ________, a type of skin cancer.

Human Biology, Science, and Society

The Chemistry of Living Things

Structure and Function of Cells

From Cells to Organ Systems

The Skeletal System

The Muscular System

Blood

Heart and Blood Vessels

The Immune System and Mechanisms of Defense

The Respiratory System: Exchange of Gases

The Nervous System: Integration and Control

Sensory Mechanisms

The Endocrine System

The Digestive System and Nutrition

The Urinary System

Reproductive Systems

Cell Reproduction and Differentiation

Genetics and Inheritance

DNA Technology and Genetic Engineering

Development and Aging

Evolution and the Origins of Life

Ecosystems and Populations

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