Q- Which one of the following substances is released by sympathetic postganglionic neurons which innervate renal vascular smooth muscle?
A- Acetyl choline
Q- Which one of the following drugs is contraindicated in a case of osteoporosis?
B- Calcium oxalate
Q- Acetazolamide and other carbonic anhydrase inhibitors act at which part of the kidney?
A- Collecting duct
B- Descending loop of Henle
C- Distal tubule
D- Proximal tubule