Final exam review sheet

Final exam review sheet - PHYSIOLOGY FINAL EXAM 1....

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PHYSIOLOGY FINAL EXAM 1. filtration —filter what is small and big and control initial components of tubular filtrate (nonspecific~based on size) (ex: sodium, glucose, amino acids) Regulate volume pH and composition of blood *occurs at glomerulus* Reabsorption —conserve water/ions (basically, anything we filter we need) *occurs at prox/distal tubules, loop of henle, collecting duct* secretion —remove toxins and nitrogenous wastes *occurs at prox/distal tubules* 2. ANP -targets baroreceptors that cause posterior pituitary to decrease ADH release which inhibits collecting ducts of kidney. (lower sodium and water reabsorption lower blood volume) -JG apparatus effects lower rennin release which results in vasodilation -adrenal cortex effects lower aldosterone release, also inhibiting the collecting ducts of kidney leading to lower sodium and water reabsorption, leading to decrease in blood volume *all act to decrease 3 ((on question sheet)) 4. cephalic: stimulatory—sight and thought of food; stimulation of taste and smell receptors gastric: stomach digestion (activates stretch receptors); food chemicals intestinal: stimulatory—presence of low pH and partially digested food in duodenum when stomach begins to empty inhibitory: digestion; presence of fatty, partially digested food 5. NFP is determined by relationship between forces… (1) favoring the filtration (glomerular hydrostatic pressure) (2)opposing the filtration (capsular hydrostratic pressure and colloid osmotic pressure) High pressure in glomerulus is due to the fact that afferent arteriole is much greater than efferent arteriole. 6.
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7. regulating absorbed products: Insulin regulates tissue utilization of glucose chemical digestion: trypsinogen, chymotrypsin bicarbonate rich pancreatic juice neutralizes acidic environment enzyme rich pancreatic juice—breaks down and absorbs food Mucosa 9. ((urinary slides 4 & 10)) 10. Portal arteriole—supplies oxygen rich blood to the liver portal venule—carries venous blood laden with nutrients from digestion bile duct—the counterflow of blood and bile allow for recycling of bile absorbed during digestion to be returned to gall bladder. *blood from portal arterioles and veins mix and drain into central vein. Primary functional cells of the liver: Hepatocypes—produce pile, process blood bourne
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Final exam review sheet - PHYSIOLOGY FINAL EXAM 1....

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