This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General Surgery, Subject name: Surgery
Thyroid storm after total thyroidectomy is due to? 
Select and explain. 
A. Damage of RLN, B. Rough handling during surgery, C. Removal of parathyroid, D. Inadequate preoperative preparation
D: Inadequate preoperative preparation
Answer: D: Inadequate preoperative preparation 
Explanation: Management: b blockers- |T4, |T3 conversion, | Hypehyroid symptoms O2 + Hemodynamic suppo Non- Aspirin Anti - Pyretics - | fever I.V Lugol's Iodine - | I2 uptake Propylthiouracil (PTU) - | T4 to T3 conversion. decreased production of thyroid hormone. Coicosteroids.