The principle of "Wolff-chaikoff effect" is used in: (A) Iodide for thyrotoxic patients after surgery, (B) Iodide for thyrotoxic patients before Surgery, (C) Stimulation of hormone synthesis, (D) Inereased vascularity of thyroid gland
Answer is B. Increased Iodine inhibits thyroid hormone synthesis. This is called Wolff Chaikoff effectRef: Ganong&;s review of medical physiology; 24th edition; page no; 346