This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Diseases of Thyroid, Subject name: Medicine
A patient presents with thyrotoxicosis and both eyeballs protruded. Thyroid test done would reveal? 
Select and explain. 
A. T3 increased, T4 increased TSH normal, B. T3 deceased, T4 decreased, TSH increases, C. T3 increased, T4 increased, TSH decreased, D. T3 decreased, T4 normal, TSH decreased
C: T3 increased, T4 increased, TSH decreased
Answer: C: T3 increased, T4 increased, TSH decreased 
Explanation: The presence of proptosis along with thyrotoxicosis indicates the diagnosis of GRAVE'S DISEASE. It is characterized by suppressed TSH and elevated T3, T4, FT3 and FT4.