UKMLA PLAB AMC USMLE Prometric MCQ

a) islet cell tumours usually have somatostatin receptors on their cell membrane
b) insulinomas are rarely located in the tail of the pancreas
c) gastrinomas frequently cause the Zollinger-Ellison syndrome
d) most insulinomas are benign
e) a third of gastrinomas are associated with MEA-1 (multiple endocrine adenopathy syndrome)