UKMLA PLAB AMC USMLE Prometric MCQ

a) on nuclear scintigraphy ventilation and perfusion defects are charactersitically mismatched
b) death is usually due to mucuc plugging
c) pancreatic endocrine function is affected before pancreatic exocrine function
d) the frontal sinuses are hypoplastic
e) there are elevated concentrations of sodium + chloride in sweat