A cholera patient is administered a 'saline d | vedclass

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(A) Cholera is caused by the bacterium $Vibrio 	ext{ cholerae}$, which produces an enterotoxin that leads to severe diarrhea and vomiting. This resul

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$Na^+$ ions are essential for the transport of substances across the membrane

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(A) Cholera is caused by the bacterium $Vibrio 	ext{ cholerae}$, which produces an enterotoxin that leads to severe diarrhea and vomiting. This results in massive loss of water and electrolytes, particularly sodium $(Na^+)$ and chloride $(Cl^-)$ ions, from the body. Dehydration and electrolyte imbalance can lead to circulatory collapse. $A$ saline drip (isotonic saline) is administered to replenish the lost water and electrolytes. $Na^+$ ions are particularly crucial because they play a vital role in the active transport of various substances (like glucose and amino acids) across the intestinal membrane, which helps in the reabsorption of water, thereby preventing further dehydration.

$A$ cholera patient is administered a 'saline drip' because

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