HLTC22H3 Chapter 7: Chapter 7
Document Summary
Chapter 7 aging and the regulatory systems y. Basic anatomy and physiology y the nervous system is the primary regulator of the body. y y. It monitors and provides communication between all the systems and regulates homeostasis. Disease-related processes y the incidence of diseases of the brain greatly increases with age. y the most common are cerebrovascular accidents (cvas), or strokes, but the incidence of other diseases, such as dementias and parkinson s, also increases dramatically. Strokes y cvas result from the same ischemic problems as do myocardial infarctions or heart attacks, which is why they are also called brain attacks. y small, temporary ischemic blockages are called transitory ischemic attacks, or. Tias. y these ministrokes are surprisingly prevalent, especially among african. Ischemia and hemorrhaging are not the only sources of damage in strokes. y y as with any injury, cvas are accompanied by inflammation, and cerebral edema y (swelling) can occur, usually about 3 days after the initial stroke.
