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Vasa recta in cortical nephrons :

1. Arises from afferent arteriole rather than efferent arteriole

2. Does not get involved in counter current exchange with loop of Henle

3. Carries deoxygenated blood rich in urea

4. Is absent or highly reduced 

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Refer the given figure of nephron.

Identify A, B, C and D and select the correct option regarding them
1. A- A tuft of capillaries formed by afferent arteriole.
2. B-PCT-reabsorption of HCO3- and selective secretion of H+ and K+ occurs here.
3. C-DCT-almost all glucose, amino acids, water, Na+, K+ and uric acid are absorbed here.
4. D-collecting duct-extends from the cortex of the kidney to the inner parts of medulla. Large amount of water is secreted in this region.

 74%
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AIIMS - 2014
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The network of peritubular capillaries is formed by

1.Efferent Arteriole

2.Afferent Arterial

3.Efferent Arteries

4.Afferent Arteries

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Vasa recta is

 

1.A minute vessel

 

2.A minute artery

 

3.A minute vein

 

4.A minute veinule

 55%
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Which one of the following correctly explains the function of a specific part of a human nephron?
 
1. Henle’s loop – most reabsorption of the major substances from the glomerular filtrate
2. Distal convoluted tubule – reabsorption of ions into the surrounding blood capillaries
3. Afferent arteriole – carries the blood away from the glomerulus towards renal vein
4. Podocytes - create minute spaces (slit pores) for the filtration of blood into the Bowman’s capsule

 89%
From NCERT
AIPMT - 2011
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