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exam #4 part 2
Terms in this set (12)
what is the definition of cancer
cancers are crablike with a central body and arms that reach out into the surrounding tissues.
A tumor(cancer) is
simply an adnormal growth of tissues. however all tumors are not cancer
what does Benign mean
tumors that are not cancerous are called benign.it is made of abnormal cells that tend to stay together without spreading into surrounding tissues.
what does Malignant where they take root and start a new cancerous mean
These are cancerous tumors. which is made up of abnormal cells that do not function properly. These cells divide rapidly and invade nearby healthy tissue. Maglignent cells can also travel through the bloodstream to other parts of the body. they take route and make new cancerous tumors
What are the types of cancers
skin cancer,lung,breast,brain colon,ovarian,prostate,leukemia and lymphoma. cancer can occur at any age. But 67% of cancer deaths occur in people 65 years or older
What are some causes of cancer.
Inherited(genetics) enviormental factors,lifestyle,diets high in fat tend to be a factor in cancer risks,SMOKING is 1/3rd of the deaths are caused by smoking.
what are some warning signs of cancer
a person who has cancer may experience one or more of these symptoms, change in bowel or bladder habits, a sore that doesnot heal,unusual bleeding or discharge,thickenings or lumps,indisgestion and difficulty in swallowing,changes in wart or mole, nagging or persisting cough,sudden and explained weight loss.
what are some examples of screening tests for cancer
imaging studies,endoscopic studies and biopsy
what are the 3 main approaches to treating cancer.
The approach depends on the type of cancer.
1. Surgery-cutting away the cancer in surrounding tissues
2.chemotherapy-medication(chemical agents)which destroy the cancer cells
3.Radiation therapy-use of powerful x-ray beams which are directed to destroy tumor to destroy the cells
Currative care- cancer treatment is
when goal is to cure the person by removing the cancerous cells
Pallative care-cancer treatment is
when the cancer can not be cured, this type of care is to make the person comfortable until death ocurrs
what is matastasis mean in ragards to cancer
The spread of malignant cells to other parts of the body
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Chapter 12 Reducing your risk of cancer
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