NURS 3234 Lecture Notes - Lecture 10: Hyperkalemia, Asthma, Airway Obstruction
Document Summary
Goal: homeostasis=healthy: three types, fluid balance, electrolyte balance, acid-base balance. Compartments for body fluids: facilitator for metabolic & chemical functioning, acts as a solvent for electrolytes, primary fluid is water, water transports nutrients to cells & removes waste from cells, water transports hormones, enzymes, rbc(cid:495)s, wbc(cid:495)s & platelets. Crossing the cell membranes: water sources: ingested liquids/foods & by-product of metabolism, fluid intake r/t thirst mechanism. Pulls fluid from cells, restores circulating volume; d5w+ 0. 45% nacl, d10w and higher glucose concentrations: fluid loss sensible(measure urine, stool, wounds) Isotonic = equal osmotic pressures, same osmolarity as normal body fluids (cid:523)blood(cid:524) ex: (cid:498)normal saline(cid:499), 0. 9% nacl in water. them to enlarge; < than ns 0. 33% nacl/ 0. 45% nacl: osmosis major method of transporting fluids! Moves fluid into cells causing: diffusion: solutes move freely throughout a solvent. Aa & glucose use this oxygen, carbon dioxide, water occurs.
