Renal Clearance and Transport

Question 1

What is whole body clearance?

Answer 1

Total rate of removal of a substance by all organs

Question 2

What is renal clearance?

Answer 2

The virtual volume of blood plasma needed to supply the amount of solute that appears in the urine; the amount of plasma that is completely cleared of a solute per unit time

Question 3

Formula for urinary excretion rate:

Answer 3

(Ux)(V)
Ux= urine concentration
V= rate of urine formation

Question 4

What is urinary excretion rate?

Answer 4

Amount of x excreted in the urine/time

Question 5

GFR formula:

Answer 5

GFR= (Ux x V)/Px

Question 6

How are urea and glucose both filtered?

Answer 6

Freely filtered

Question 7

What is PAH typically used as a measure for?

Answer 7

Renal plasma flow

Question 8

What is Inulin a measure of?

Answer 8

Glomerular filtration rate (glomerular marker)

Question 9

What is the clearance ratio formula?

Answer 9

Cx/Cinulin

Question 10

Formula for renal blood flow:

Answer 10

RPF/(1-hematocrit)

Question 11

Formula for renal plasma flow:

Answer 11

[U]pah x V/[P]pah