Chapter 7 Studyguide

Chapter 7 Studyguide - HDV120 Chapter 7 Average Life...

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HDV120 Chapter 7 Average Life Expectancy Men: 75 Women: 81 Physical declines can be due to: smoking, poor diet, exercise and stress. Visible Physical Changes with Aging Some changes include: wrinkles, graying hair, stooped posture, hearing and vision. More subtle: decline in homeostasis, immune response and natural speed. Presbyopia : inability to focus on fine detail. Conduction Deafness : damage to ear drum, or three bones inside ear. Nerve Deafness : damage to nerve cells that line your ear, they cannot be restored. Chronic and Acute Conditions Chronic : long term, arthritis, hypertension, heart conditions etc… Acute : decline with age. Young people tend to have acute conditions, such as a short term illness in which the condition is curable Osteoarthritis : the most common form of arthritis. 63% of women and 50% of men over the age of 70 have physical evidence of arthritis. The joints that are more affected in the body are the weight-bearing joints, such as hips, knees, and spine. Elastic tissue becomes soft and wears away and the underlying bones are exposed, which causes pain, stiffness and tenderness. Rheumatoid Arthritis : is traditionally considered a chronic, inflammatory autoimmune disorder that causes the immune system to attack the joints. Often affecting extra- articular tissues throughout the body including the skin, blood vessels, heart, lungs, and muscles.
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