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What is a saline enema composed of?

  1. Detergent solution

  2. Herbal infusion

  3. Oil and water

  4. Salt and water

The correct answer is: Salt and water

A saline enema is composed of salt and water. This solution is used to cleanse the colon, typically for medical or digestive health reasons. Option A, a detergent solution, is often used in enemas for bowel preparation before medical procedures, but it is not the same as a saline enema. Option B, a herbal infusion, is not a common ingredient in enemas, and would not be considered a saline enema. Option C, oil and water, is sometimes used in enemas for constipation relief, but it is not the typical composition of a saline enema. Therefore, option D, salt and water, is the most accurate composition for a saline enema.