Renal Questions
1. Make a map showing how the following
are related:
GFR Glomerular
Filtration Pressure
afferent arterioles efferent
arterioles
peripheral
vasoconstriction juxtaglomerular cells
renin angiotensinogen
angiotensin I angiotensin
II
angiotensin converting
enzyme
2. Explain why each of the following
diuretics works:
Furosemide - inhibits Cl- pumps in the ascending
loop of Henle.
Chlorothiazide - blocks Na+ and Cl-
reabsorbtion in the distal convoluted tubule
Spironolactone - blocks aldosterone receptors
Mannitol - is filtered into the urine at the
glomerulus but cannot be reabsorbed