UKMLA PLAB AMC USMLE Prometric MCQ

a) concurrent adminstration of iron improves the target-background ratio
b) activity in the renal collecting system is maximal at 72 hours
c) excretion through the GI tract is less 1%
d) there is avid binding to red blood cells in patients with the thalassemia trait
e) bind to lactoferrin in intracytoplasmic granules