Percentage of T4 and T3 released from thyroid gland-: (A) 50% T4; 50% T3, (B) 25% T4; 75% T3, (C) 80% T4; 20% T3, (D) 1000% T4; 0% T3
Answer is C. Ans. is 'c' i.e., 80% T4; 20% T3 " Approximately 80% of secreted hormone is T4 and 20% is T3".