Deck 20: Cancer

Question 1

A benign tumor is not dangerous because it cannot metastasize.

Answer 1

False
Explanation: Even though a benign tumor cannot metastasize it can still cause damage if it presses on normal tissue or restricts the blood supply of normal tissue.

Question 2

What type of cancer causes the most deaths in males?

A)prostate
B)lung and bronchus
C)colon and rectum
D)pancreas
E)esophagus

Answer 2

B
Explanation: Lung and bronchus cancers account for 30% of cancer deaths in males.

Question 3

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

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.

Answer 3

C
Explanation: A mutated tumor suppressor gene is a "loss-of-function" mutation.

Question 4

Which of the following is not a characteristic of cancer cells that distinguishes it from normal cells?

A)Cancer cells lack differentiation.
B)Cancer cells have abnormal nuclei.
C)Cancer cells utilize mitosis to divide.
D)Cancer cells have an unlimited potential to replicate.
E)Cancer cells form tumors.

Question 5

Cancer is a single disease that affects one in three Americans.

Question 6

What is the most common cancer found in males?

A)colon and rectum
B)urinary bladder
C)melanoma of the skin
D)oral cavity
E)prostate

Question 7

The ends of the chromosomes are "capped" with special repetitive DNA sequences called

A)radiatA.
B)telomeres.
C)centromeres.
D)oncogenes.
E)suppressor genes.

Question 8

Tumor suppressor genes are often likened to the gas pedal of a car.

Question 9

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

Question 10

Proto-oncogenes

A)code for proteins that promote the cell cycle.
B)promote apoptosis.
C)become tumor suppressor genes when mutated.
D)are considered "loss-of-function" mutations.
E)code for angiogenic growth factors.

Question 11

Which is responsible for more cancer deaths in women: breast,colon and rectum,pancreas,or ovary?

A)breast
B)colon and rectum
C)pancreas
D)ovary

Question 12

Which of the following is not a type of proto-oncogene?

A)the gene for cyclin D
B)growth factor receptor genes
C)the gene that codes for Ras proteins
D)growth factor genes
E)the gene for p53

Question 13

Contact inhibition means that

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.

Question 14

Hodgkin lymphomas develop from

A)cells of the liver and spleen.
B)all types of white blood cells.
C)B or T cells.
D)mutated B cells.
E)bladder epithelial cells.

Question 15

How many Americans will deal with cancer in their lifetime?

A)all
B)1 in 2
C)1 in 3
D)1 in 4
E)1 in 5

Question 16

Which of the following characteristics is not associated with metastasis?

A)The internal cytoskeleton is disorganized.
B)The cancer cells lack intact actin filament bundles.
C)Invasive cancer cells are sperm-shaped.
D)Cancer cells produce proteinase enzymes.
E)The low oxygen content in the middle of a tumor may turn on genes for angiogenesis.

Question 17

List the characteristics of cancer cells that make them different than regular cells.

Question 18

Which accounts for more cancer deaths in males: bladder,pancreas,esophagus,or prostate?

A)bladder
B)pancreas
C)esophagus
D)prostate
E)all are equal

Question 19

Which of the following is not a stage in carcinogenesis?

A)initiation
B)promotion
C)progression
D)differentiation
E)angiogenesis

Question 20

Cancers of epithelial tissues are called

A)leukemias.
B)sarcomas.
C)carcinomas.
D)lymphomas.
E)blastomas.

Question 21

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

Question 22

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

A)ultraviolet radiation
B)radon gas
C)nuclear fuel
D)X-rays
E)none of these are ionizing radiation

Question 23

If you only inherit one mutated copy of BRCA1 and the other copy is normal,you will not develop breast cancer.

Question 24

Which of the following factors can lead to cancer?

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

Question 25

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

Question 26

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

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

Question 27

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

Question 28

Which of the following is not found in tobacco smoke?

A)vinyl chloride
B)N-nitrosonornicotine
C)asbestos
D)benzo(a)pyrene
E)mutagens

Question 29

If someone has no genetic predisposition to cancer then environmental exposure to carcinogens will not cause them to develop cancer.

Question 30

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

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.

Question 31

A carcinogen is not a mutagen.

Question 32

Explain what the acronym CAUTION means in regard to the warning signs of cancer.

Question 33

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

Question 34

Which of the following is not one of the seven warning signs?

A)a cut that bleeds
B)change in bowel or bladder habits
C)thickening or lump in breast or elsewhere
D)indigestion or difficulty swallowing
E)obvious change in wart or mole

Question 35

In the case of a proto-oncogene like Ras,both copies of the gene must be mutated to increase a predisposition to cancer.

Question 36

Melanoma is the most serious form of skin cancer.

Question 37

What do BRCA1 and p53 have in common?

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.

Question 38

What was the name of the first gene associated with breast cancer?

A)RB
B)RET
C)p53
D)cyclin D
E)BRCA1

Question 39

Currently most cancers are diagnosed before metastasis.

Question 40

Which of the following dietary changes will not reduce your risk of developing cancer?

A)Increase your consumption of dark green,leafy vegetables,carrots,and various fruits.
B)Avoid obesity.
C)Decrease your consumption of high-fiber foods.
D)Drink alcohol only in moderation.
E)Avoid ham and sausagE.

Question 41

Which of the following tests is not used to screen for colon cancer?

A)blood test
B)digital examination
C)flexible sigmoidoscopy
D)fecal occult blood test
E)double-contrast barium enema

Question 42

Which of the following is not a type of immunotherapy?

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

Question 43

Which of the following is a side effect of radiation therapy that is not also a side effect of chemotherapy?

A)nausea,vomiting
B)dry,red,irritated skin and/or blisters
C)diarrhea
D)fatigue and weakness
E)weight loss and hair loss

Question 44

What is the survival rate for children with childhood leukemia?

A)10%
B)30%
C)50%
D)80%
E)99%

Question 45

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

A)X-ray
B)CAT scan
C)MRI
D)PSA
E)Pap test

Question 46

Which of the following is not a type of chemotherapy?

A)alkylating agents
B)antimetabolites
C)antitumor antibiotics
D)bone marrow transplants
E)mitotic inhibitors

Question 47

If you receive the new vaccine against HPV,then you do not need to get Pap tests anymore.

Question 48

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

A)asymmetry
B)irregular border
C)a solid color,usually brown
D)larger than 6 mm
E)elevated above the skin surface

Question 49

What type of test is a CEA test?

A)self-examination
B)a type of prostate cancer test
C)a type of cervical cancer test
D)a genetic test
E)a tumor marker test

Question 50

Taxol is used to treat what type of cancer?

A)leukemia
B)lymphoma
C)testicular cancer
D)colon cancer
E)ovarian cancer

Question 51

A Pap test looks for what type of cancer?

A)skin cancer
B)esophageal cancer
C)bladder cancer
D)cervical cancer
E)colon cancer

Question 52

A mole becomes suspicious when it is greater than 6 mm in diameter.How big is 6 mm approximately?

A)just barely visible,about the size of a pin prick
B)about the same as one of the letters in this question
C)about the size of a pencil eraser
D)about the size of a nickel
E)about the size of a quarter

Question 53

Ionizing radiation both causes cancer and can be used to treat cancer.

Question 54

Which two tests are done for prostate cancer?

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 test

Question 55

When should screening for colorectal cancer begin?

A)in 20s
B)in 30s
C)in 40s
D)in 50s
E)in 60s

Question 56

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

Question 57

What type of screening test could be used to determine the likelihood that someone might develop cancer?

A)PAP test
B)PSA test
C)CEA test
D)genetic test
E)tumor marker test

Question 58

Which of the following is not a standard therapy for cancer treatment?

A)immunotherapy
B)surgery
C)radiation therapy
D)chemotherapy
E)all of these are standard therapies for the tretment of cancer

Question 59

How often should a woman do a shower self-examination of her breasts for lumps,knots,or changes?

A)daily
B)once a week
C)once a month
D)once every 6 months
E)once a year

Question 60

Unfortunately,the cancer in Ted's body had spread to multiple sites.Which is the most viable treatment option to handle Ted's cancer?

A)surgery
B)radiation therapy
C)chemotherapy
D)herbal therapy
E)immunotherapy

Question 61

List standard therapies and newer therapies for the treatment of cancer.

Question 62

When the p53 gene is overexpressed in normal cells,the cells are killed.

Question 63

Antiangiogenic drugs cause cytotoxic T cells to attack tumor cells.