Question

Which of the following statements about the small intestine is true?

A. The products of fat digestion enter its lacteals.

B. Its walls secrete most of the digestive enzymes that are active in its lumen.

C. It is where food / chyme first encounters protein-splitting enzymes.

D. It is where carbohydrates – but not other molecules -- are digested.

Answer 1

Answer :

The statements that are correct about the samll intestine are

(A) The product of fat digestion enters its lacteals.

Interpretation : A Lacteal is a lymphatic capillary that absorbs dietary fats in the villi of the small intestine.

WRONG STATEMENTS :

(B) Its wall secrete NOT MOST OF THE DIGESTIVE ENZYMES in fact it secrete little amount of enzyme needed for digestion whereas the most of enzymes are secreted by STOMACH,PANCREAS.

(C) Its NOT the place where food / chyme first encounter protein splitting enzymes (TAKES PLACE IN THE STOMACH)

(D) Its the place where the carbohydrates BUT ALSO PROTEINS, FATS molecules are also digested.