Chapter 19 and 20 - Renal System Flashcards
(39 cards)
thick part of loop of henle is made of blank epithelium
cuboidal
thin part of loop of henle is made of blank epithelial tissue
simple squamous
nephrons that dip from cortex all the way into medulla
juxtamedullary nephrons
bowman’s capsule and glomerulus podocytes function
filters plasma by bulk flow
proximal tubule funtion
reabsorbs large solutes which also moves water via osmosis
loop of henle function
reabsorbs more solutes than water
loop of henle creates blank urine
dilute
loop of henle sets up blank in renal medulla
high concentration
distal tubule and collecting duct function
dynamic reabsorption and secretion which determines final urine concentration
filtration is done by blank and blank
bulk flow, lateral hydraulic pressure
reabsorption and secretion are both controlled by blank via blank
membrane transport, simple diffusion
GFR is the blank
glomerular filtration rate
glomerular filtration is about blank liters per day
180
blank pressure must be greater than blank pressure or the kidneys stop working
lateral, osmotic
pressure changes in arterioles alter renal blood flow by changing
hydraulic pressure, glomerular filtration rate
three processes for local GFR regulation
myogenic response, tubuloglomerular feedback, hormones/autonomic neurons
local GFR regulation that has stretch sensitive ion channels opening which causes contraction to lower blood flow to lower filtration pressure
myogenic response
local GFR regulation that is in the juxtaglomerular apparatus by paracrine control using renin
tubuloglomerular feedback
long term local gfr regulation that changes resistance in arterioles and alters capillary surface area or permeability
hormone/autonomic neurons
secretion is a blank process
active
secretion allows urine conc to be greater than blank solute
plasma
secretion regulates blood concentration and pH by
Na+, K+, H+
blank percent of penicillin is excreted in 3 hours
80
probenecid competes for blank anion blank which allows for slower blank
organic, transporter, excretion