Question 1

Not only does smoking cause lung cancer, it also quadruples the risk of which one of the following types of cancer?

Accepted Answer

A)  stomach 
B)  prostate 
C)  bladder 
D)  colon 
E)  brain 
A)  stomach 
B)  prostate 
C)  bladder 
D)  colon 
E)  brain

Question 2

Using the ABCD rule for diagnosing a melanoma associated with the skin, the "D" refers to

Accepted Answer

A)  darkness of the spot or region of the skin, usually varying in intensity of the color black. 
B)  degree of irregularity of the spot from a circle. 
C)  diameter of the spot. 
D)  density or thickness of the melanoma. 
E)  "damage," or the extent that the skin cells have lost normal function. 
A)  darkness of the spot or region of the skin, usually varying in intensity of the color black. 
B)  degree of irregularity of the spot from a circle. 
C)  diameter of the spot. 
D)  density or thickness of the melanoma. 
E)  "damage," or the extent that the skin cells have lost normal function.

Question 3

A malignant tumor differs from an in situ tumor in that the malignant tumor has invaded the surrounding tissue and compromised the function of that tissue, whereas an in situ tumor has not compromised the surrounding tissue or spread from its original location.

Accepted Answer

A) True 
 B)False

Question 4

When a cancer remains in one location, it is referred to as

Accepted Answer

A)  benign. 
B)  dysplasia. 
C)  in situ cancer. 
D)  hyperplasia. 
E)  metastasis. 
A)  benign. 
B)  dysplasia. 
C)  in situ cancer. 
D)  hyperplasia. 
E)  metastasis.

Question 5

In addition to killing cancer cells, radiation therapy results in the death of normal cells. However, unlike cancer cells, normal cells recover from exposure to the radiation more readily.

Accepted Answer

A) True 
 B)False

Question 6

The U.S. Preventive Services Task Force recommended that women who are not at risk for breast cancer wait to have yearly screening mammograms until age 50, as opposed to the previous recommendation of age 40, because

Accepted Answer

A)  breast tissue is more sensitive to radiation damage before menopause than after. 
B)  the cost of the screening is not covered by insurance until after a woman reaches menopause. 
C)  most forms of breast cancer do not develop until later in life. 
D)  the method of screening is more accurate in older women than younger. 
E)  delaying the screening ensures that younger, more at-risk women, are able to schedule the preventive tests. 
A)  breast tissue is more sensitive to radiation damage before menopause than after. 
B)  the cost of the screening is not covered by insurance until after a woman reaches menopause. 
C)  most forms of breast cancer do not develop until later in life. 
D)  the method of screening is more accurate in older women than younger. 
E)  delaying the screening ensures that younger, more at-risk women, are able to schedule the preventive tests.

Question 7

If an entire tumor remains localized, it is said to be a(n) ________ cancer.

Accepted Answer

The answer of If an entire tumor remains localized, it...

Question 8

Many viral and bacterial infections are believed to increase the risk of cancer. Match the following viruses and bacteria to the type of cancer with which they are associated.
-Kaposi's sarcoma

Accepted Answer

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

Question 9

The following is a list of carcinogens. Match each to the type of cancer with which it is associated.
-cervical 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 10

Many viral and bacterial infections are believed to increase the risk of cancer. Match the following viruses and bacteria to the type of cancer with which they are associated.
-cancer of the stomach

Accepted Answer

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

Question 11

All of the following are risks associated with the development of colon cancer EXCEPT which one?

Accepted Answer

A)  low-fiber diet 
B)  obesity 
C)  family history 
D)  consumption of vitamins A, C, and E 
E)  smoking 
A)  low-fiber diet 
B)  obesity 
C)  family history 
D)  consumption of vitamins A, C, and E 
E)  smoking

Question 12

Dysplasia occurs when an abnormal structural change occurs in a cell.

Accepted Answer

A) True 
 B)False

Question 13

Damage to ________ greatly reduces a cell's ability to repair DNA during DNA replication.

Accepted Answer

A)  mutator genes 
B)  proto-oncogenes 
C)  repair genes 
D)  structural genes 
E)  somatic genes 
A)  mutator genes 
B)  proto-oncogenes 
C)  repair genes 
D)  structural genes 
E)  somatic genes

Question 14

Which one of the following diagnostic imaging techniques does NOT expose the patient to additional radiation?

Accepted Answer

A)  X- rays and ultrasounds 
B)  ultrasounds and PET scans 
C)  ultrasounds and MRI 
D)  PET scans and MRI 
E)  PET scans and X-rays 
A)  X- rays and ultrasounds 
B)  ultrasounds and PET scans 
C)  ultrasounds and MRI 
D)  PET scans and MRI 
E)  PET scans and X-rays

Question 15

An X-ray procedure of breast tissue used in the diagnosis of breast cancer is called a(n) ________.

Accepted Answer

The answer of An X-ray procedure of breast tissue used...

Question 16

In which one of the following ways does a proto-oncogene differ from an oncogene?

Accepted Answer

A)  Proto-oncogenes code for proteins that regulate the expression of structural genes; oncogenes code for nucleic acids involved in cell division. 
B)  Proto-oncogenes control normal cell division; oncogenes contribute to the development of cancer. 
C)  When oncogenes become damaged, they become proto-oncogenes. 
D)  Oncogenes activate tumor suppressor genes; proto-oncogenes repress tumor suppressor genes. 
E)  Proto-oncogenes cause cells to self-destruct when damaged; oncogenes cause damaged cells to repair themselves. 
A)  Proto-oncogenes code for proteins that regulate the expression of structural genes; oncogenes code for nucleic acids involved in cell division. 
B)  Proto-oncogenes control normal cell division; oncogenes contribute to the development of cancer. 
C)  When oncogenes become damaged, they become proto-oncogenes. 
D)  Oncogenes activate tumor suppressor genes; proto-oncogenes repress tumor suppressor genes. 
E)  Proto-oncogenes cause cells to self-destruct when damaged; oncogenes cause damaged cells to repair themselves.

Question 17

Techniques used to increase the effectiveness of the immune system in fighting cancer are collectively known as ________.

Accepted Answer

The answer of Techniques used to increase the effectiveness of...

Question 18

Oncogenes are derived from

Accepted Answer

A)  malignant tumors. 
B)  proto-oncogenes. 
C)  mutated keratotic cells. 
D)  healthy tumor suppressor genes. 
E)  benign tumors. 
A)  malignant tumors. 
B)  proto-oncogenes. 
C)  mutated keratotic cells. 
D)  healthy tumor suppressor genes. 
E)  benign tumors.

Question 19

Antiangiogenic drugs are designed to prevent or slow the growth of ________ into tumors.

Accepted Answer

The answer of Antiangiogenic drugs are designed to prevent or...

Question 20

Which one of the following statements is TRUE regarding chemotherapy?

Accepted Answer

A)  This technique is used in the diagnosis of cancer. 
B)  This procedure kills cancer cells and normal cells that divide rapidly. 
C)  This is the selected technique in the treatment of cancer because there are no side effects. 
D)  This is a procedure used to genetically engineer an individual so cancer will not develop. 
E)  Most chemicals used in this procedure affect only one organ of the body. 
A)  This technique is used in the diagnosis of cancer. 
B)  This procedure kills cancer cells and normal cells that divide rapidly. 
C)  This is the selected technique in the treatment of cancer because there are no side effects. 
D)  This is a procedure used to genetically engineer an individual so cancer will not develop. 
E)  Most chemicals used in this procedure affect only one organ of the body.

Exam 18: Cancer: Uncontrolled Cell Division and Differentiation

Not only does smoking cause lung cancer, it also quadruples the risk of which one of the following types of cancer?

Using the ABCD rule for diagnosing a melanoma associated with the skin, the "D" refers to

A malignant tumor differs from an in situ tumor in that the malignant tumor has invaded the surrounding tissue and compromised the function of that tissue, whereas an in situ tumor has not compromised the surrounding tissue or spread from its original location.

When a cancer remains in one location, it is referred to as

In addition to killing cancer cells, radiation therapy results in the death of normal cells. However, unlike cancer cells, normal cells recover from exposure to the radiation more readily.

The U.S. Preventive Services Task Force recommended that women who are not at risk for breast cancer wait to have yearly screening mammograms until age 50, as opposed to the previous recommendation of age 40, because

If an entire tumor remains localized, it is said to be a(n) ________ cancer.

Many viral and bacterial infections are believed to increase the risk of cancer. Match the following viruses and bacteria to the type of cancer with which they are associated. -Kaposi's sarcoma

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

Many viral and bacterial infections are believed to increase the risk of cancer. Match the following viruses and bacteria to the type of cancer with which they are associated. -cancer of the stomach

All of the following are risks associated with the development of colon cancer EXCEPT which one?

Dysplasia occurs when an abnormal structural change occurs in a cell.

Damage to ________ greatly reduces a cell's ability to repair DNA during DNA replication.

Which one of the following diagnostic imaging techniques does NOT expose the patient to additional radiation?

An X-ray procedure of breast tissue used in the diagnosis of breast cancer is called a(n) ________.

In which one of the following ways does a proto-oncogene differ from an oncogene?

Techniques used to increase the effectiveness of the immune system in fighting cancer are collectively known as ________.

Oncogenes are derived from

Antiangiogenic drugs are designed to prevent or slow the growth of ________ into tumors.

Which one of the following statements is TRUE regarding chemotherapy?

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