This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Physiology
Hypothyroidism should be treated with daily administration of which of the following thyroid hormone preparations? 
Select and explain. 
A. Thyroid extract, B. Thyroglobulin, C. Thyroxine (T4), D. Triiodothyronine (T3)
C: Thyroxine (T4)
Answer: C: Thyroxine (T4) 
Explanation: None