Question

Narrow distal part of stomach is

• A. Cardiac
• B. Pharynx
• C. Duodenum
• D. Pylorus

Answer 1

The correct option is D Pylorus

• The pylorus is a narrow cone-shaped constriction present at the end of the stomach and the beginning of the small intestine.
  
• It contains two region antrum which connects the parts of the stomach and pyloric canal that connects the stomach to the small intestine.
  
• The main function of the pylorus (valve) is to prevent intestinal contents from reentering the stomach when the small intestine contracts to limit the passage of large food particles or undigested material into the intestine.
  

Thus, the correct answer is option D.