In acute constipation, purgatives that are used to stimulate intestinal peristalsis and evacuation of fluid faeces contain salts of

Sodium

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Potassium

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Magnesium

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Calcium

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Solution

The correct option is C Magnesium
Saline laxatives result in the secretion of water in the intestine to maintain isotonicity with plasma. For acute constipation, purgatives containing salts of magnesium are used to stimulate intestinal peristalsis and evacuation of fluid faeces as it increases the fluidity and volume of intestinal contents.

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Similar questions

Q. In acute constipation, the faces are retained within the rectum as bowel movements occur irregularly, purgatives containing __(A)__ are generally used as they B fluidity and volume of intestinal contents by drawing water from the blood into intestinal lumen by C.

Regarding the assertion and reason; choose the correct option.

Assertion (A): In case of acute constipation, purgatives containing magnesium salts are usually used to alleviate it

Reason (R): The osmotic effect of Mg²⁺ in the intestinal lumen prevents water from being reabsorbed from the intestine. Mg²⁺ increases the solute concentration in the intestinal lumen because Mg²⁺ is absorbed very slowly

Regarding the assertion and reason; choose the correct option.

Assertion (A): In case of acute constipation, purgatives containing magnesium salts are usually used to alleviate it

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Mass peristalsis occurs in ------------- why?

A) stomach

B) small intestine

C) large intestine

D) oesophagus

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