what is life expectancy? - CORRECT ANSWER✅✅the number of years a person can expect to live
what is life span? - CORRECT ANSWER✅✅the longest period that members of a species can live
How did life expectancy increase across early time periods? - CORRECT ANSWER✅✅• Greece, 500 BC:
~18 years
• Ancient Rome, 100 AD: ~25 years
• England, 13th Century: ~35 years
what is acute illness? - CORRECT ANSWER✅✅short duration, rapid onset; not necessarily minor
what is chronic illness? - CORRECT ANSWER✅✅long-term, cannot be cured
what affects longevity? - CORRECT ANSWER✅✅intrinsic and extrinsic factors
what are intrinsic factors? - CORRECT ANSWER✅✅factors related to our body's internal health
what are extrinsic factors? - CORRECT ANSWER✅✅environmental factors
what is osteoarthritis? - CORRECT ANSWER✅✅• degenerative joint disease due to "wear and tear" or
aging
• most common form of arthritis
what is rheumatoid arthritis? - CORRECT ANSWER✅✅a chronic progressive disease causing
inflammation in the joints and resulting in painful deformity and immobility
,what is osteoporosis? - CORRECT ANSWER✅✅a medical condition in which the bones become brittle
and fragile from loss of tissue, typically as a result of hormonal changes, or deficiency of calcium or
vitamin D
what is atherosclerosis? - CORRECT ANSWER✅✅• the build-up of fats, cholesterol, and other
substances in and on the artery walls
• can lead to cardiovascular disease
what is hypertension? - CORRECT ANSWER✅✅• high blood pressure
• related to diet and lifestyle factors
• can run in families
what is coronary artery disease? - CORRECT ANSWER✅✅characterized by the presence of
atherosclerosis in the coronary artery
what is a heart attack and what are the signs? - CORRECT ANSWER✅✅• problem with blood circulation
to the heart, portion of heart muscle dies (i.e., myocardial infarction)
• signs: chest discomfort, upper body discomfort, shortness of breath, cold sweat, nausea, etc.
• in women, may be misdiagnosed as acid reflux
what are the 10 risk factors for a heart attack? - CORRECT ANSWER✅✅1. age (45+ for men, 55+ for
women)
2. tobacco
3. diabetes
4. high blood pressure
5. high blood cholesterol
6. family history
7. lack of physical history
8. obesity
9. stress
, 10. illegal drug use
what is cancer? - CORRECT ANSWER✅✅• uncontrolled cell growth
• 2nd leading cause of death in the US
what are some causes of cancer? - CORRECT ANSWER✅✅1. cigarette smoking
2. excessive exposure to sunlight
3. radiation
4. high fat diets
how does cancer develop? - CORRECT ANSWER✅✅• normal cells undergo abnormal change
• uncontrolled growth and spread follows (metastasis)
• abnormal cells grow into masses of tissue called tumors (or neoplasms)
• abnormal cells are carried through the lymph or blood systems to other tissue and body parts
how is cancer treated? - CORRECT ANSWER✅✅surgery, radiation, chemotherapy, immunotherapy
what is a carcinoma? - CORRECT ANSWER✅✅a cancer arising in the epithelial tissue of the skin or of
the lining of the internal organs
what is a sarcoma? - CORRECT ANSWER✅✅cancer that begins in bone, cartilage, fat, muscle, blood
vessels, or other connective or supportive tissue
what is a lymphoma? - CORRECT ANSWER✅✅cancer of lymphoid tissue
what is leukemia? - CORRECT ANSWER✅✅cancer of the blood
how has the surgeon general's report changed? - CORRECT ANSWER✅✅• first one written in 1964
focused on disease prevention