MED SURG CHAPTER 3 DEWIT | 71 Questions and Answers(A+ Solution guide)

MED SURG CHAPTER 3 DEWIT How much of the human's body weight is water? - ✔✔More than half Who are more likely to experience severe consequences with even minor changes in their fluid balances? - ✔✔The older adult and the very young For all of the cell's life processes to take place, what must there be a continuous exchange of? - ✔✔Water Oxygen Nutrients Glucose Electrolytes Waste products "Won Gew" Fluid within the cell is called wha t? - ✔✔Intracellular Fluid outside the cell is called what? - ✔✔Extracellular What are osmorecepters? - ✔✔Thirst mechanisms in the hypothalamus Difference between ADH and Aldosterone? - ✔✔ADH causes reabsorption of water from the kidneys and Aldosterone causes reabsorption of water and sodium from the kidney. They both increase blood pressure and help to maintain the body's homeostasis What does extracellular fluid consist of? - ✔✔High in sodium (Na+) content Where does intravascular fluid affect? - ✔✔Blood vessels Where does interstitial fluid affect? - ✔✔Tissues Where does transcellular fluid affect? - ✔✔Across cells; Eyes, saliva, brain/spi ne, lungs (pleural friction rub) , abdomen (pericardial rub), joints, and heart How much of the body's fluid is intracellular fluid? - ✔✔2/3 of the total body fluid What does intracellular fluid contain? - ✔✔High in potassium (K+) content What is an int erstitial space? - ✔✔As blood flows through the capillaries, fluid and solutes can move into the interstitial spaces. This isi where the cells of the body can exchange nutrients and wastes. What is osmosis? - ✔✔Movement of water for cells What is osmotic pressure? - ✔✔The water moves from areas of lesser concentrations of solutes to areas of greater concentrations of solutes What is a semipermeable membrane? - ✔✔A membrane that allows some substances to pass through but prevents the passage of others Fluid moves between the ______________ and __________________ and between the _____________ and _____________ compartments by osmosis. - ✔✔interstitial, intracellular, interstitial, intravascular What does isotonic mean? - ✔✔Of equal solute concentration in side and outside of the cell What does hypertonic mean? - ✔✔Of greater solute concentration