TLS Online TPP Program

#Question id: 12214


A 53-year-old man with a recurrent history of ulcer disease associated with diarrhea and a strong family history of duodenal ulcer disease is suspected of having Zollinger-Ellison syndrome (gastrinoma). Secretin (2 units/kg) was given as a rapid intravenous injection to test for gastrinoma. Which of the following results would support the existence of gastrinoma following secretin administration?

#Unit 7. System Physiology – Animal
  1. Decreased serum gastrin
  2. Increased serum gastrin
  3. Inhibition of gastric acid secretion
  4. Inhibition of gastric emptying