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 |
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Extension of renal cortex between the medullary pyramids is called as:
1. Juxta-glomerular apparatus | 2. Macula densa |
3. Columns of Bertini | 4. Ducts of Bellini |
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Presence of ketonuria and glycosuria is indicative of:
1. Renal failure | 2. Diabetes mellitus |
3. Nephrotic syndrome | 4. Renal stones |
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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
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The dialyzing fluid has same composition as that of plasma except:
1. | Nitrogenous wastes | 2. | Bicarbonate |
3. | Sodium | 4. | Chloride |
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All the following animals are uricotelic except:
1. Reptiles | 2. Land snails |
3. Birds | 4. Marine fishes |
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Conditional absorption of water takes place mainly in:
1. PCT | 2. Loop of Henle |
3. DCT | 4. Collecting duct |
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A person has a cardiac output of 6000 ml per minute and 20% of this is received by kidneys. What is the renal plasma flow per minute?
1. 1200 ml | 2. 660 ml |
3. 400 ml | 5. 120 ml |
JGA is a special sensitive region formed by cellular modifications in the:
1. | DCT and the afferent arteriole at the location of their contact |
2. | DCT and the efferent arteriole at the location of their contact |
3. | PCT and the afferent arteriole at the location of their contact |
4. | PCT and the efferent arteriole at the location of their contact |
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Protonephridia are the excretory structures in all the following except:
1. Planaria | 2. Rotifers |
3. Amphioxus | 4. Prawns |
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