Urea is directly produced in mammals from
- AAmmonia released by oxidative deamination
- BOxidative deamination of purines
- CBreakdown of ornithine
- DBreakdown of arginine
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Study the following statements and select the correct answer from the given options.
$i$. Diameter of afferent arteriole being smaller raises glomerular pressure for ultrafiltration.
$ii$. The colloidal osmotic pressure of blood is about $30 \ mmHg$ that opposes ultrafiltration.
$iii$. The arrangement of podocytes favours ultrafiltration.
$i$. Diameter of afferent arteriole being smaller raises glomerular pressure for ultrafiltration.
$ii$. The colloidal osmotic pressure of blood is about $30 \ mmHg$ that opposes ultrafiltration.
$iii$. The arrangement of podocytes favours ultrafiltration.
Assertion: Ultrafiltration takes place in the presence of effective filtration pressure.
Reason: In the ultrafiltration process,blood is filtered in Bowman's capsule; the filtered fluid contains protein and blood corpuscles also.
Reason: In the ultrafiltration process,blood is filtered in Bowman's capsule; the filtered fluid contains protein and blood corpuscles also.
MediumAIIMS 2010
View SolutionUltrafiltration takes place in
Medium
View SolutionThe $GFR$ in a healthy individual is
Medium
View SolutionThe hydrostatic pressure exerted by the capillaries in the glomerulus is
Medium
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