UKMLA PLAB AMC USMLE Prometric MCQ

a) are usually acquired
b) patients usually present with exertional dyspnaea
c) steel coils are preferable to particulate embolic material in their therapeutic embolisation
d) evaluation of the degree of shunting may be performed using an intravenous injection of Tc-99m-labelled albumin microspheres
e) the main reason for their treatment is to increase exercise tolerance