Gastrointestinal Hormones — MCQs

Two normal, healthy subjects volunteer for a study on insulin secretion. In Patient 1, blood glucose is increased to 150 mg/dL by direct intravenous infusion. In Patient 2, blood glucose is increased to 150 mg/dL by ingestion of oral glucose. The peak plasma insulin concentration produced in Patient 1 is 70 uU/mL while in Patient 2, it is 95 uU/mL. Which of the following best explains the higher insulin concentration in Patient 2?

Best provocative test for diagnosis of Gastrinoma is:

What is the most important site for gastrin-producing cells?

Which of the following is NOT true about ghrelin?

What is the primary function of the myenteric plexus?

Which cells are referred to as "Pacemaker cells" with relation to "BER"?

From which part of the gastrointestinal tract is glucose absorbed?

Small intestinal peristalsis is controlled by :

Slow wave potentials originate in which cells of the intestine?

Which of the following inhibits gastrin secretion?