Pathophysiology > STUDY GUIDE > Patho Final Sg - Summary - complete - Exam 1 and final exam study guide (All)

Patho Final Sg - Summary - complete - Exam 1 and final exam study guide

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Patho Final Sg - Summary - complete - Exam 1 and final exam study guide Pathophysiology & Pharmacotherapeutics Nursing Ii:Prelicensu (Illinois State University) Patho Exam 1 Study Guide (60 questi ... ons) Stress and Disease (12 questions) • Homeostasis & control systems o Homeostasis: level of constancy maintained by the body during times of change. INTERNAL BALANCE. –every cell of body involved. Use adaptive response.  3 structures responsible: • medulla: controls vital functions, respirations, ADH, circulation. • Pituiraty gland: function of endocrine glands, growth, reproduction, maturation. • Reticular formation: regulates reflextes of CV & respiratory function. o Control system: maintain homeostasis, THOUSANDS.  Ex: blood glucose, cellular adaptation, bodies thermostat. • Feedback Mechanisms/Loops o 3 components:  sensor: CNS (brain, part that senses disruption in homeostatis)  control center: regulate response to homeostasis, decides how body will react.  Effector: acting to restore homeostasis, blood vessels, kidneys (organ level, blood glucose level) o Negative loop: when function increases or decreases, it causes opposite action & stops when function goes back to normal. “ENOUGH ALREADY”  Ex: increased blood sugar **** o Positive loop: takes original response & exaggerates it, CONTRACTIONS. [Show More]

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