cancer

Question 1

what is the leading cause of death in canada?

Answer 1

cancer

Question 2

what is cancer?

Answer 2

abnormal, uncontrolled multiplication of cells that, if left untreated, can ultimately cause death

Question 3

how does cancer spread?

Answer 3

thru the process of metastasis. cancer cells do not remain in one place, they break away and can pass through the lining of lymph or blood vessels to invade nearby tissue. tumor after primary are called metastases or secondary tumor.

Question 4

what is the relation between cancer and tumors?

Answer 4

most cancers take form of tumors but now all tumors are cancerous

Question 5

what are the stages of cancer?

Answer 5

0 precancer change. 1 tumor is small and has not left organ. 2&3 tumor large and grown outside organ. 4 cancer has spread through the blood or lymphatic system to a distant site in the body

Question 6

what are the common types of cancer?

Answer 6

lung, colon/rectal, breast, prostate, skin, oral, testicular, cervical

Question 7

what are risk factors, signs/symptoms, treatment, and prevention for lung cancer?

Answer 7

main risk factor is tobacco smoke and other carcinogenic pollutants. symptoms include persistent cough, chest pain, or recurring bronchitis.

Question 8

what are risk factors, signs/symptoms, treatment, and prevention for colon/rectal cancer?

Answer 8

age/heredity/excessive smoking&alcohol is a main risk factor. polyps bleeding is a symptom. colon cancer can be detected with screening. surgery is the primary treatment

Question 9

what are risk factors, signs/symptoms, treatment, and prevention for breast cancer?

Answer 9

risk factors include heredity, early onset of menstruation/late onset of menopause, no children after the age of 30, obesity, and alcohol use. it can be detected thru screening. symptoms include lumps, swellings, nipple pains. treatment thru surgery (of lump or the breast itself)

Question 10

what is the expected survival rate for canadians in regards to cancer?

Answer 10

60%

Question 11

what cancers have survival rates over 95%?

Answer 11

thyroid, testicular, prostate

Question 12

what percentage of cancer deaths occur for those over the age of 70?

Answer 12

63%

Question 13

what tumor is cancerous? which one isnt?

Answer 13

benign isnt. malignant is.

Question 14

what surrounding structures can a malignant tumor invade?

Answer 14

blood vessels, lymphatic system, nerves, etc

Question 15

what are the most common cancers?

Answer 15

lungs, colorectal, breast

Question 16

what is the most common cancer in females?

Answer 16

breast

Question 17

what is the most common cancer in males?

Answer 17

prostate

Question 18

what are the types of cancers?

Answer 18

carcinomas (external tissues), sarcomas (connective tissues), lymphomas (lymph nodes), leukemia (blood-forming cells),

Question 19

at current incident rates, what percentage of canadian men and women will develop cancer?

Answer 19

49% men. 45% women

Question 20

what cancer leads to the most deaths? how many deaths is it responsible for each year?

Answer 20

lung cancer. 21, 000

Question 21

what accounts for 30% of all cancer deaths?

Answer 21

tobacco smoke

Question 22

what are risk factors, signs/symptoms, treatment, and prevention for prostate cancer?

Answer 22

risk factors include age and genetics. signs of prostate cancer can include changes in urinary frequency, weak or interrupted urine flow, painful urination, and blood in the urine. Treatment usually involves radical prostatectomy, surgery

Question 23

what are risk factors, signs/symptoms, treatment, and prevention for skin cancer?

Answer 23

risk factors include excess exposure to UV light. risk factors include unusual growth, discoloration, a sore that does not heal, or a mole that undergoes a sudden or progressive change. treatment thru surgery

Question 24

why is melanoma the most dangerous skin cancer?

Answer 24

because of how quickly it spreads

Question 25

what fraction of cancer can be prevented with behaviour changes?

Answer 25

1/3