Gfr Flashcards
1
Q
Filtration size
A
4 to 8 nm
2
Q
Why protein not filternled
A
- Negative charge
- Fenestrations
- Small slit diaphragn
3
Q
Integrity of slit diaphragm by?
A
Nephrin
Podosin
Alpha actinin
4
Q
Net filtration pressure
A
Hydro(GC) - 《H(BC) + O(GC)》
5
Q
Gold standard and mc substance to measure gfr
A
Inulin,
Creati
6
Q
Gfr formula
A
Urine inulin conc * urine volume/ plasma inulin conc
7
Q
Actual rpf formula
A
Estimated/0.9
8
Q
Filtration fraction
A
Gfr/rpf
9
Q
Subs causing vc of mesangial cell
A
Endothelin
Angiotensin 2
Nor epinephrine
10
Q
Subs causing vd of mesangial cell
A
Camp,
Anp,
NO
