Renal Physiology Flashcards
Potassium is reabsorbed in
Alpha-intercalated cells
Potassium is secreted in
Principal cells
What change in hematocrit will occur in hyperosmotic volume contraction?
None
What change in hematocrit will occur in hypoosmotic volume expansion?
None
ADH increases the permeability of ___ cells
principal cells
Which is a better buffer: oxyhemoglobin or deoxyhemoglobin?
deoxyhemoglobin
True or false: reabsorption of HCO3 results in secretion of H+
false
ECF volume expansion results in ___ HCO3- reabsorption
decreased
contraction alkalosis
Effect of hyperkalemia on NH3 synthesis
decreased
juxtaglomerular cells are found in
afferent arterioles
only diuretic causing acidosis
carbonic anhydrase inhibitors
In tubuloglomerular feedback, ___ is held constant
sodium load
In glomerulotubular balanc, ___ is held constant
percentage of solute reabsorbed
glucose transport from lumen to tubule cell
SGLT-2
glucose transport from tubule cell to peritubular capillaries
GLUT-1 and GLUT-2
site of maximal absorption of magnesium
thick ascending limb of loop of Henle
ADH V1 receptors
arterioles
ADH V2 receptors
collecting duct
Thirst center
anteroventricularr wall of third ventricle
preoptic nuclei
Micturition center
pons
Level of renin in essential hypertension
Decreased
