Cancer Quiz Flashcards
Which statements are true of cancer cells?
- Cancer cells divide nearly continuously
- they are harmful to the body
- they are abnormal
- they have an unlimited lifespan
Benign cells have which characteristics?
- Tissue a necessary for normal function
- resemble the parent tissue
- have a small nucleus
- perform their differentiated function
- nonmigratory
Why do cancer cells spread throughout the body?
- They make little fibronectin
- they are able to metastasize
- there persistent in their growth cell
- division occurs under adverse conditions
Which are actions of carcinogens?
- Damage the DNA
- change the activity of a cell
- begin the initiation step of carcinogenis
Which characteristics described the initiated sells response to the promoter?
- Promoted or enhance cell growth
- shorten latency.
- Irreversible changes in the cell
Promoters may include which factors?
- Chemicals
- hormones
- drugs
- viruses
If a primary tumor is located in a vital organ what happens?
There is interference with the organs functioning
Which statement correctly describes metastasis tumors?
They are caused by cells breaking off from the primary tumor
During metastasis which actions take place?
- tumor vascularization results and blood supply to the tumor
- enzymes open up pores in the patient’s blood vessel
- clumps of the cells break off for transport
- Cells stop circulating and then invade
- increasing tumor size causes invasion of surrounding tissues
Which characteristics described a high-grade tumor?
- Barely resembles the parent cell
- rapidly metastasizes
- very aggressive
Which information can be obtained from grading a tumor?
- Evaluating prognosis and appropriate therapy
2. cell differentiation
What information can be obtained by surgical staging?
- Assessment of tumor size
- number of tumors
- sites of tumors
- pattern of spread of tumors
What are the primary factors influencing the development of cancer?
- Environmental exposure to carcinogens
- genetic predisposition
- immune function
- health history
Which statement are true regarding tobacco use and cancerous?
- Tobacco is considered an initiator of cancer
- tobacco is considered a promoter of cancer
- person through for cancer depends on the amount of tobacco use
- a person’s risk for cancer depends on the type of tobacco use
Ionizing radiation is found in which elements?
- Radon
- uranium
- soil
- medical x-rays
Which factors are forms of UV radiation?
- Son or solar
- tanning beds
- germicidal lights
A few viruses are known as oncoviruses because they perform which actions?
- Infect the cell
- break the DNA chain
- insert their own genetic material
- mutate the cells DNA
How does immune system protects the body from cancer?
- By using cell mediated immunity
- by using natural killer cells
- by using helper T cells
- identifying cancer cells of nonself cells
Which people are considered to be at greater risk for developing cancer?
- Organ transplant recipients
- adults over the age of 60
- people with AIDS
- African-Americans
- people who are immunocompromise
For which type of cancer is risk modifiable?
- Breast
- Colon
- ovarian
- cervical
Which are cancers that have genetic predisposition?
- Breast
- colorectal
- melanoma
Which groups of the highest rate of incidents, death rate, and largest increasing incidence of cancer?
African-Americans and lower socioeconomic people