Excretory Products and their EliminationMedium
Question
A patient suffering from cholera is given saline drip because
Options
A.Cl- ions are important component of blood plasma
B.Na+ ions help to retain water in the body
C.Na+ ions are important in transport of substances across membrane
D.Cl- ions help in the formation of HCl in stomach for digestion
Solution
Severe diarrhoea, vomiting, watery stools are the chief symptoms of cholera. All thesae lead to dehydration. Actually, cholera toxin secreted by vibrio cholerae causes, throgh a series of metabolic reactions, the continuous activation of adenylate cyclase of intestinal epithelial cells. The resultant high concentration of C-AMP triggers continual secretion of Cl-, HCO3- and water into the lumen of the intestine. Administration of saline not only support the sodium-potassium pump through which water in cell is restored, bot glucose is also symported with sodium.
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