This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Abdomen & Pelvis, Subject name: Anatomy
Brunner's gland in the duodenum secretes: 
Select and explain. 
A. Mucinus alkaline, B. Acid, C. Pepsin, D. Gastrin
A: Mucinus alkaline
Answer: A: Mucinus alkaline 
Explanation: Ans. A Mucinus alkalineRef: BDC, 5th ed. Vol II pg. 268* Brunner's glands are also known as duodenal glands.* These are small compound tubuloacinar glands which secrete mucus that protects duodenum from gastric acidic contents.* They also facilitate activation of intestinal enzymes which helps in absorption.Extra Mile* The gastric glands situated in the fundus and body of stomach contain parietal/oxyntic cells which secrete acid, mucus, pepsin and other digestive enzymes.