Question

question 37 (0.5 points)
which needs to be open for gastric emptying to occur into the duo
lower esophageal sphincter
pyloric sphincter
lliocecal valve
ligament of trietz

Explanation:

To determine which structure needs to be open for gastric emptying into the duodenum, we analyze each option:

• The lower esophageal sphincter controls the passage between the esophagus and stomach, not stomach - duodenum.
• The pyloric sphincter is located at the junction of the stomach and duodenum, and it must open to allow gastric contents to empty into the duodenum.
• The ileocecal valve is between the small and large intestine.
• The ligament of Trietz is a suspensory ligament for the small intestine, not related to gastric emptying.

Answer:

B. Pyloric sphincter