Revision Session Flashcards
1
Q
Define clearance
What is it used to measure?
A
volume of plasma cleared of a certain substance per unit time (ml/min)
represents a theoretical volume of plasma cleared of any substance
- used to measure GFR and RPF
2
Q
What is the clearance formula?
A
Clearance = (urine conc x urine flow) / plasma conc
or
Clearance = amount excreted / plasma conc