UKMLA PLAB AMC USMLE Prometric MCQ

Question Number 0795

Question:
A middle aged woman complains of lethargy. On questioning she admits to cold intolerance. On examination she is found to have decreased sweating, bradycardia, tongue enlargement, and non-pitting edema. Investigations reveal that she is anemic. He anemia is likely to be secondary to :

a) failure of alpha chain production
b) failure of beta chain production
c) a deficiency of B12
d) lead poisoning
e) a deficiency of iron