Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
21 Cards in this Set
- Front
- Back
|
If urine is less concentrated than plasma, free water clearance is ___________
|
positive
|
|
|
Increased urine flow will _______ the amount of urea excreted
|
increase
|
|
|
low protein intake results in __________ urine
|
dilute
|
|
|
ADH stimulates the _________ of urea
|
reabsorption
|
|
|
When macula densa senses decreased _____ it ________ the __________ arteriole
|
NaCl; vasodilates; afferent
|
|
|
AngII and NE promote _________ ___________
|
sodium reabsorption
|
|
|
the fact that increased volume filtered leads to increased Na+ excreted is the principal of ____________ __________
|
glomerulotubular balance
|
|
|
_________ _________ is the enzyme in the parietal cells that functions to boot H+ into the lumen
|
carbonic anhydrase
|
|
|
Pancreatic ductal cells use the enzyme _________ _______ to move _________ into the lumen
|
carbonic anhydrase; HCO3-
|
|
|
In the proximal tubule, _______ and __________ are recovered from the lumen and formed into _________ which is then transported into the interstitium.
|
H2O; CO2; HCO3-
|
|
|
The _________ ___________ reabsorbs most of the filtered bicarbonate
|
proximal tubule
|
|
|
Reabsorption of Bicarbonate is achieved through ______ ion excretion
|
H+
|
|
|
Type B Intercallated cells function to __________ bicarbonate. Where are they located?
|
secrete; Distal convoluted tubule and collecting ducts
|
|
|
Type A Intercallated cells function to _________ bicarbonate. Where are they located?
|
reabsorb; Distal convoluted tubule and collecting ducts
|
|
|
Excretion of urinary H+ involves the production of new bicarb (True/False)
|
True
|
|
|
What are the three fates of secreted H+?
|
Titrated with filtered HCO3- to recover that bicarb. Excreted as H2PO4- (new bicarb formed). Excreted as NH4+ (new bicarb formed)
|
|
|
Hypokalemia leads to metabolic __________
|
alkalosis
|
|
|
Hyperkalemia leads to metabolic ___________
|
acidosis
|
|
|
aldosterone stimulates apical _____________, increases _______ reabsorption and ________ secretion in the collecting ducts
|
H-ATPase; Na+; K+
|
|
|
hyperaldosterism leads to ____________
|
alkalosis
|
|
|
hypoaldosterism leads to _________
|
acidosis
|
