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physio pt 2
| Question | Answer |
|---|---|
| cardiac output (CO) | HR x SV |
| stroke volume (SV) | the amount of blood ejected by a ventricle in a single contraction |
| blood pressure (BP) | the force exerted by blood against vessel walls |
| gas exchange | diffusion of oxygen and carbon dioxide across respiratory membranes |
| hemoglobin | iron-containing protein in RBCs that bind oxygen |
| tidal volume (TV) | amount of air inhaled or exhaled during a normal breath (about 500ml in a normal adult) |
| glomerular filtration | process in kidneys where blood plasma is filtered from glomerulus to renal capsule |
| antidiuretic hormone (ADH) | hormone that increases water reabsorption in kidneys by increasing permeability of the collecting ducts |
| peristalsis | wave-like motion of smooth muscle that moves food through the digestive tract |
| insulin | a hormone released by beta cells in pancreas that lowers blood glucose |