Question 1

What do cancer cells do wrong compared to normal cells?

Accepted Answer

A)   They can't communicate with other cells.
B)   They don't die.
C)   They don't stop dividing, even when they run into each other.
D)   They lose the characteristics of the tissue they came from.
E)   All of the aboveF) A) and E)
G) A) and B)

Question 2

What do CT scans and MRI's show a doctor?

Accepted Answer

A clear, 3-D picture...

Question 3

Diet and exercise are both considered factors in cancer risk. Exercise is good for just about everything, but what should you eat?

Accepted Answer

A)   Red meat and foods with high fiber
B)   Fruits and vegetables and saturated fats
C)   A healthy mix of red meat and fruits and vegetables
D)   Fruits, vegetables, and high fiber grains
E)   Foods that are whiteF) A) and E)
G) A) and D)

Question 4

The cell cycle consists of G1, S, and G2, and M phases, but M is where the action is. What is M?

Accepted Answer

Mitosis, w...

Question 5

A tumor can secrete chemical signals that cause blood vessels from the circulatory system to grow into the tumor to provide nutrients. What is this process called?

Accepted Answer

The answer of A tumor can secrete chemical signals that...

Question 6

Apoptosis is an important part of normal cell regulation. What is it?

Accepted Answer

Programmed...

Question 7

Cancer can be genetically based, but it doesn't always require mutated DNA or genes in order to develop.

Accepted Answer

A) True 
 B)False

Question 8

When a cell's proto-oncogene mutates into an oncogene and a tumor suppressor gene mutates to stop working, what can happen?

Accepted Answer

The cell can divide ...

Question 9

Which of the following is true about breast cancer?

Accepted Answer

A)   About 12% of women in the United States will get breast cancer.
B)   Breast cancer is always the result of an inherited mutation.
C)   If you have the BRCA-1 or BRCA-2 mutation, there is a 100% chance you will get breast cancer by the time you are 70.
D)   Breast cancer is always deadly.
E)   Younger women are at higher risk of breast cancer.F) A) and D)
G) A) and C)

Question 10

Normal cells become cancerous only following infection by a virus. Tumor cells themselves will not transform normal cells directly. True or False?

Accepted Answer

A)   True. The type of virus determines the type of cancer.
B)   False. Tumor cells alone can induce cancer development in normal cells.
C)   True. For example, cervical cancer is caused by HPV.
D)   False. Normal cells don't become cancerous.
E)   True. Only viruses mutate quickly enough to cause cancer.F) C) and E)
G) D) and E)

Question 11

Which of the following is true?

Accepted Answer

A)   The radiation from sunlight is a cancer risk, but the light used in tanning beds is safe.
B)   Exposure to radiation from x-rays and cell phones poses a very low risk of cancer compared to radiation from sunlight.
C)   Melanoma, a type of skin cancer, is the leading type of cancer in young adults.
D)   Radiation from the sun and from tanning beds both raise your risk of skin cancer.
E)   We don't really know much about what increases cancer risk.F) D) and E)
G) B) and E)

Question 12

In general, how does a DNA or gene mutation cause a problem?

Accepted Answer

A)   It causes the cell where it occurs to die.
B)   A necessary protein might be overproduced, abnormal, or not produced at all.
C)   It prevents DNA replication so cells can't divide.
D)   It makes a particular, potentially important trait, non-heritable.
E)   Scientists have not really determined how this happens.F) A) and C)
G) A) and B)

Question 13

What is abnormal about cells of a person afflicted with the disease Xeroderma pigmentosum?

Accepted Answer

They canno...

Question 14

A number of risk factors for cancer are largely beyond your control. These include

Accepted Answer

A)   Your diet and sunlight exposure
B)   Your age and risk of infection by HPV
C)   Heredity and environmental pollution
D)   Wealth, workplace carcinogens, and age
E)   Smoking, because you can completely be a victim of advertisingF) All of the above
G) A) and E)

Question 15

In 1948 a medical student definitely determined that cigarette smokers were 40X more likely to develop lung cancer. Since then,

Accepted Answer

A)   Smoking has declined worldwide.
B)   Scientists have found ways to cure lung cancer.
C)   Smoking has declined in the United States, but not worldwide.
D)   It's been determined that most people who die of lung cancer got it as a result of an infection, but smoking is still considered a risk.
E)   Polluted air has replaced smoking as the primary cause of lung cancer.F) C) and E)
G) A) and E)

Question 16

How does poverty increase the risk of dying of cancer?

Accepted Answer

A)   Poor people never eat healthy diets.
B)   Poor people are more likely to have mutations in their genes.
C)   Poor people are less likely to be exposed to pollutants.
D)   Poor people lack access to routine medical treatment that would catch cancer early enough to treat effectively.
E)   Poor people aren't educated enough to follow the guidelines for avoiding cancer risk factors.F) All of the above
G) B) and D)

Question 17

There are more than 100 types of cancer, but they all involve uncontrolled cell growth.

Accepted Answer

A) True 
 B)False

Question 18

In what way is cancer always a genetic disorder even though it isn't always carried through families?

Accepted Answer

Cancer cel...

Question 19

How do normal cells control division, differentiation, and cell death?

Accepted Answer

They use s...

Question 20

A lump in the body may benign or malignant. Which one is cancerous?

Accepted Answer

The answer of A lump in the body may benign...

Exam 5: Cancer

How do normal cells control division, differentiation, and cell death?

Correct AnswerverifiedThey use s...View AnswerShow Answer

A number of risk factors for cancer are largely beyond your control. These include

Correct AnswerverifiedShow Answer

Apoptosis is an important part of normal cell regulation. What is it?

Correct AnswerverifiedProgrammed...View AnswerShow Answer

In general, how does a DNA or gene mutation cause a problem?

Correct AnswerverifiedShow Answer

What do cancer cells do wrong compared to normal cells?

Correct AnswerverifiedShow Answer

What do CT scans and MRI's show a doctor?

Correct AnswerverifiedA clear, 3-D picture...View AnswerShow Answer

What is abnormal about cells of a person afflicted with the disease Xeroderma pigmentosum?

Correct AnswerverifiedThey canno...View AnswerShow Answer

Diet and exercise are both considered factors in cancer risk. Exercise is good for just about everything, but what should you eat?

Correct AnswerverifiedShow Answer

The cell cycle consists of G1, S, and G2, and M phases, but M is where the action is. What is M?

Correct AnswerverifiedMitosis, w...View AnswerShow Answer

A tumor can secrete chemical signals that cause blood vessels from the circulatory system to grow into the tumor to provide nutrients. What is this process called?

Correct AnswerverifiedShow Answer

A lump in the body may benign or malignant. Which one is cancerous?

Correct AnswerverifiedShow Answer

Which of the following is true about breast cancer?

Correct AnswerverifiedShow Answer

Which of the following is true?

Correct AnswerverifiedShow Answer

In 1948 a medical student definitely determined that cigarette smokers were 40X more likely to develop lung cancer. Since then,

Correct AnswerverifiedShow Answer

Cancer can be genetically based, but it doesn't always require mutated DNA or genes in order to develop.

Correct AnswerverifiedShow Answer

Normal cells become cancerous only following infection by a virus. Tumor cells themselves will not transform normal cells directly. True or False?

Correct AnswerverifiedShow Answer

There are more than 100 types of cancer, but they all involve uncontrolled cell growth.

Correct AnswerverifiedShow Answer

How does poverty increase the risk of dying of cancer?

Correct AnswerverifiedShow Answer

In what way is cancer always a genetic disorder even though it isn't always carried through families?

Correct AnswerverifiedCancer cel...View AnswerShow Answer

When a cell's proto-oncogene mutates into an oncogene and a tumor suppressor gene mutates to stop working, what can happen?

Correct AnswerverifiedThe cell can divide ...View AnswerShow Answer

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They use s...
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Programmed...
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A clear, 3-D picture...
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They canno...
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Mitosis, w...
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Cancer cel...
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The cell can divide ...
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