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
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 concentrations of which plasma electrolyte is not regulated mainly by the kidneys?
1. hydrogen
2. potassium
3. iron
4. Bicarbonate
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 cleared blood is pumped back to the body through a …….after adding …...it
(1) Vein, Heparin
(2) Vein, Anti-Heparin
(3) Artery, Heparin
(4) Artery, Anti-Heparin
The blood drained from a convenient……… is pumped into a dialysing unit called……..
(1) Vein, artificial Kidney
(2) Artery, artificial Kidney
(3) Vein, False kidney
(4) Artery, False kidney
Haemodialysis
(1) A process for removal of extra blood
(2) A process for removal of extra cellular fluid
(3) A process of removal of urea
(4) A process of dilation of blood vessels
How much Carbon dioxide is removed by lungs?
(1) 200mL/second
(2) 200mL/minute
(3) 200mL/day
(4) 200mL/hour
Which of the following has no role in the elimination of excretory wastes?
(1) Kidneys
(2) Lungs
(3) Skin
(4) Oesophagus