Human Biology Chapter 20
If a tumor suppressor gene becomes mutated, which of the following is not true?
A "gain-of function" mutation has occurred
What was the name of the first gene associated with breast cancer
BRCA1
Which type of test is particularly useful in analyzing tumors in tissues surrounded be bone
MRI
Which of the following is not one of the seven warning signs
a cut that bleeds
Which of the following is not one of the things to watch for in a mole
a solid color, usually brown
What type of test is a CEA test
a tumor marker test
A mole becomes suspicious when it is greater than 6 mm in diameter. How big is 6 mm approximately
about the size of a pencil eraser
Which of the following factors can lead to cancer
all of these can lead to cancer
Which of the following is not a type of immunotherapy
anti-p53 engineered adenovirus
Which of the following is not found in tobacco smoke
asbestos
Which of the following tests is not used to screen for colon cancer
blood test
Which of the following is not a type of chemothearpy
bone marrow transplants
What do BRCA1 and p53 have in common
both are tumor suppressors
The American Cancer Society publicizes seven warning signals, which spell out the word CAUTION. The "C" in CAUTION stands for change in
bowel or bladder habits
Which is responsible for more cancer deaths in women: breast, colon, and rectum, pancreas, or ovary?
breast
Which of the following is not a characteristic of cancer cells that distinguishes it from normal cells
cancer cells utilize mitosis to divide
Caners of epithelial tissues are called
carcinomas
A Pap test looks for what type of cancer
cervical cancer
Unfortunately, the cancer is Ted's body had spread to multiple sites. Which is the most viable treatment option to handle Ted's cancer
chemotherapy
Proto-oncogenes
code for proteins that promote the cell cycle
Which of the following dietary changes will not reduce your risk of developing cancer
decrease your consumption of high-fiber foods
Which of the following is not a stage in carcinogensis
differentitation
Which two tests are done for prostate cancer
digital rectal exaamination, PSA
Which of the following is a side effect of radiation therapy that is not also a side effect of chemothearpy
dry, red, irritated skin and/or blisters
A benign tumor is not dangerous because it cannot metastasize. True or false?
false
A carcinogen is not a mutagen. True or false?
false
Antiangiogenic drugs cause cytotoxic T cells to attack tumor cells. True or false?
false
Cancer is a single disease that affects one in three Americans. True or false?
false
Currently most cancers are diagnosed before metastasis. True or false>
false
Epstein-Barr virus is routinely isolated from causes of cervical cancers. True or false?
false
If someone has no genetic predisposition to cancer then environmental exposure to carcinogens will not cause them to develop cancer. True or false?
false
If the gene for telomerase is turned off in a cell, this is an indication this is a cancer cell. True or false?
false
If you have on of the seven warning signals in CAUTION, this means that you have cancer. True or false?
false
If you only inherit one mutated copy of BRCA1 and the other copy is normal, you will not develop breast cancer. True or false?
false
If you receive the new vaccine against HPV, then you do not need to get Pap tests anymore. True or false?
false
In the case of proto-oncogene like Ras, both copies of the gene must be mutated to increase a predisposition to cancer. True or false?
false
Tumor suppressor genes are often likened to the gas pedal of a car. True or false?
false
When the p53 gene is overexpressed in normal cells, the cells are killed. True or false?
false
What type of screening test could be used to determine the likelihood that someone might develop cancer
genetic test
Which of the following is not a standard therapy for cancer treatment
immunotherapy
When should screening for colorectal cancer begin
in 50s
Which of the following is not a protective behavior that will help prevent cancer
increase consumption of salt-cured, smoked, and nitrite-cured foods
What type of cancer causes the most deaths in males
lung and bronchus
Hodgkin lymphomas develop from
mutated B cells
How often should a women do a shower self-examination of her breasts for lumps, knots, or changes
once a month
Taxol is used to treat what type of cancer
ovarian cancer
What is the most common cancer found in males
prostate
Which accounts for more cancer deaths in males: bladder, pancreas, esophagus, or prostate
prostate
The ends of the chromosome are "capped" with special repetitive DNA sequences called
telomeres
Which of the following is not a type of proto-oncogene
the gene for p53
Which of the following characteristics is not associated with metastasis
the low oxygen content in the middle of a tumor may turn on genes for angiogenesis
Both heredity and environmental risk factors come into play in the development of cancer. True or false?
true
Ionizing radiation both causes cancer and can be used to treat cancer. True of false?
true
Melanoma is the most serious form of skin cancer. True or false?
true
The earlier a cancer is detected, the more likely it can be effectively treated. True or false?
true
Thus far no evidence has been found that nonionizing radiation, such as the energy given off by cell phones, causes cancer. True or false?
true
Which of the following is not a type of ionizing radiation
ultraviolet radiation
Contact inhibition means that
when cells come in contact with a neighbor, they stop dividing
How many Americans will deal with cancer in their lifetime
1 in 3
What is the survival rate for children with childhood leukemia
80%