This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Endocrinology metabolism, Subject name: Physiology
Which hormone is converted into active form in liver- 
Select and explain. 
A. Corticosteroid, B. ACTH, C. Thyroid hormone, D. Estradiol
C: Thyroid hormone
Answer: C: Thyroid hormone 
Explanation: Ans. is 'c' i.e., Thyroid hormoneo Thyroxine (T4) is converted to T3 (active form) in liver (majority) and kidney