UKMLA PLAB AMC USMLE Prometric MCQ

a) when located in the ascending colon is frequently malignant
b) when involving the small bowel is commonest in the jejenum
c) on CT lymph nodes are characteristically of high attenuation
d) 5-hydroxyindole acetic acid (5-HIAA) is excreted in the urine
e) the carcinoid syndrome usually presents with cutaneous flushing