92. TRUE of Brunner glandsa.Found in the duodenumb.Located in the submucosac.Produce alkaline mucusd.All of the above

To answer the question about Brunner's glands, we will analyze each statement regarding their characteristics:

1. Brunner's Glands Found in the Duodenum:

   • This statement is true. Brunner's glands are specifically located in the submucosa of the duodenum, the first segment of the small intestine.

2. Brunner's Glands Located in the Submucosa:

   • This statement is also true. These glands are found within the submucosa layer of the duodenal wall.

3. Brunner's Glands Produce Alkaline Mucus:

   • This statement is true as well. The primary function of Brunner's glands is to secrete alkaline mucus, which helps neutralize gastric acid and provides an optimal environment for intestinal enzymes.

4. All of the Above:

   • Since the previous three statements are true, this option must also be true.

Final Answer

The correct answer is d. All of the above.