This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Anti Thyroid, Subject name: Pharmacology
Orally active hormone is - 
Select and explain. 
A. TSH, B. Thyroxine, C. GH, D. Prolacin
B: Thyroxine
Answer: B: Thyroxine 
Explanation: Ans. is 'b' i.e., Thyroxine o Thyroxine hormone (eltroxin) is used orally for hypothyroidism.