In gut, serosa is outer most layer and made up of

ATI RN

ATI RN Test Bank

A. Endothelium B. Smooth muscles C. Mesothelium D. Dense connective tissue

Correct Answer: C

Rationale: The serosa, the outermost layer of the gut, is made of mesothelium and connective tissue.

By which process, most of glucose and amino acids are absorbed in the small intestine?

A. Active transport B. Passive transport C. Osmosis D. Selective absorption

Correct Answer: A

Rationale: Glucose and amino acids are primarily absorbed via active transport in the small intestine.

Crypts of Lieberkuhn are found in between the villi. They secrete :

A. Glucagon B. Succus entericus C. Insulin D. Gastric juice

Correct Answer: B

Rationale: Crypts of Lieberkuhn secrete succus entericus for intestinal digestion.

Which one differ from the category of other three-

A. Gastrin B. Glucagon C. Secretin D. Ptyalin

Correct Answer: D

Rationale: Ptyalin is an enzyme, while the others are hormones.

Which of the following is absorbed in ileum-

A. Fat B. Bile salts C. Vit-K D. Glucose

Correct Answer: B

Rationale: Bile salts are reabsorbed in the ileum.

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