What is the number of times that the human kidneys can maximally concentrate the initial filtrate?
1. | 2 | 2. | 4 |
3. | 6 | 4. | 8 |
What acts as a check on the renin-angiotensin mechanism?
1. | ANF | 2. | ADH |
3. | Aldosterone | 4. | Erythropoietin |
Consider the two statements:
I: | The process of filtration at Malpighian body is regarded as ultrafiltration. |
II: | Blood is filtered so finely that all constituents of plasma pass into the lumen of Bowman’s capsule. |
1. | Both I and II are correct and II explains I |
2. | Both I and II are correct but II does not explain I |
3. | I is correct but II is incorrect |
4. | I is incorrect but II is correct |
Presence of ketonuria and glycosuria is indicative of:
1. Renal failure | 2. Diabetes mellitus |
3. Nephrotic syndrome | 4. Renal stones |
JG cells can be activated to release renin by all the following except:
1. A fall in glomerular blood flow
2. A fall in glomerular blood pressure
3. An increase in venous return to the heart
4. A fall in GFR
The dialyzing fluid has same composition as that of plasma except:
1. | Nitrogenous wastes | 2. | Bicarbonate |
3. | Sodium | 4. | Chloride |
All the following animals are uricotelic except:
1. Reptiles | 2. Land snails |
3. Birds | 4. Marine fishes |
Conditional absorption of water takes place mainly in:
1. PCT | 2. Loop of Henle |
3. DCT | 4. Collecting duct |
A reduction in expanded extracellular fluid (ECF) volume by increasing renal sodium excretion is a function of:
1. ADH
2. Aldosterone
3. Angiotensin II
4. ANF