ch 26 Flashcards
a disease that affects the heart or blood vessels
cardiovascular disease (CVD)
high blood pressure
hypertension
the process in which plaques accumulate on artery wals
atheroscerosis
chest pain that results when the heart does not get enough oxygen
angina pectoris
irregular hearbeats
arrhythmias
damage to the heart muscle caused by a reduced or blocked blood supply, usually because of atherosclerosis
heart attack
uncontrollable growth of abnormal cells
cancer
an abnormal mass of tissue that has no natural role in the body
tumor
noncancerous
benign
cancerous
malignant
the spread of cancer from the point where it originated to other parts of the body
metastasis
cancers of the immune system
lymphomas
blood-forming organs
leukemias
cancers of the glands and body linings, including the skin and the linings of the digestive tract and lungs
caracinomas
cancers of connective tissue, including bones, ligamets, and muscle
sarcomas
a cancer-causing susbtance
carcinogen
the removal of a small piece of tissue for examination
biopsy
removes some or all of the cancerous masses from the body
surgery
aims rays from radioactive substances at cancerous cells; kills the cells and shrinks the cancerous mass
radiation therapy
uses chemicals to destroy cancer cels
chemotherapy
activates a person’s imune system to recognize specific cancers and destroy them
immunotherapy
involves using medicines that interfere with the production of hormone; this treatment kills cancer or slows the growth
hormone therapy
a specific reaction of the immune system to a foreign and frequently harmless substance
allergy
chemicals that can stimulate mucus and fluid production in an area
histamnes
an inflammatory condition in which the small airways in the lungs become narrowed causing difficulty in breathing
asthma
a chronic disease that affects the way body cells convert food into energy
diabetes
a condition in which the immune system mistakenly attacks itself, targeting the cells, tissues, and organs of a person’s own body
autoimmune disease
a group of more than 100 different diseases that cause pain and loss of movement in the joints
arthritis
a disease of the joints in which cartilage breaks down
osteoarthitis
a disease characterized by the debilitating destruction of the joints due to inflammation
rheumatoid arthritis
a disease that is not transmitted by another person, a vector, or the environment
noncommunicable disease
