Which section of the nephron follows the ascending limb of the loop of Henle?

1. descending limb of the loop

2. proximal convoluted tubule

3. distal convoluted tubule

4. collecting duct

The concentrations of which plasma electrolyte is not regulated mainly by the kidneys?

Which statement does not correctly describe the path of urine flow?
1. ducts in each renal papilla drain into a minor calyx
2. the minor calyces merge to form a major calyx
3. the major calyces combine to form the renal pelvis
4. the renal pelvis conveys urine directly to the urethra

The amount of urine produced is generally increased when there is:
1. increased ADH secretion
2. increased atrial natriuretic hormone secretion
3. increased aldosterone secretion
4. sympathetic stimulation of the renal arteries

In order to produce concentrated urine, large amounts of water can be reabsorbed from:

1.  Ascending limb of loop of Henle

2.  Descending limb of loop of Henle

3.  Distal convoluted tubule

4.  Collecting duct

The cleared blood is pumped back to the body through a …….after adding …...it

The blood drained from a convenient……… is pumped into a dialysing unit called……..

Haemodialysis

How much Carbon dioxide is removed by lungs?

Which of the following has no role in the elimination of excretory wastes?