<prompt> Most sensitive method to diagnose thyroid function is:T3T4TSHThyroglobulin  <response>: Ans. c TSHRef: Bailey and Love Principles and Practice of Surgery, 26th ed p-743 Most sensitive and specific test to detect hypothyroidism and hyperthyroidism is TSH ASSAY Total T4: Reflects output from thyroid gland Total T3: More indicative of peripheral thyroid metabolism, hence not useful for screening 