Multiple choice

Directions: The following question has four choices out of which ONLY ONE is correct.

A patient suffering from cholera is given saline drip because

  1. Cl- ions are important component of blood plasma

  2. Na+ ions help to retain water in the body

  3. Na+ ions are important in transport of substances across membrane

  4. Cl- ions help in the formation of HCl in stomach for digestion
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

In patients affected with cholera, a cholera enterotoxin is produced which results in increased synthesis of intracellular cyclic AMP, which in turn increases the permeably of intestinal mucosa, leading to secretion of fluid throughout the small intestine. Hence the patient is given saline drip whereby Na+ ions restore the osmotic balance by retaining water in the body.

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