MRCP UK EXAMINATIONS

Detailed explanation-1: -By the time indigestible materials have reached the colon, most nutrients and up to 90% of the water has been absorbed by the small intestine. The role of the ascending colon is to absorb the remaining water and other key nutrients from the indigestible material, solidifying it to form stool.

Detailed explanation-2: -The small intestine is the most important absorbing organ in the GI tract. About 90% of nutrient absorption takes place in the small intestine.

Detailed explanation-3: -The small intestine is the next location where digestion takes place. But unlike the stomach, which has minor absorptive property, 90% of food absorption occurs in the small intestine.

Detailed explanation-4: -The colon’s job is to dehydrate what’s left of the food and form it into stool. It does this by slowly absorbing water and electrolytes as its muscle system moves the waste along.