This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Thyroid Gland, Subject name: Surgery
Chvostek sign may be present after what surgery? 
Select and explain. 
A. Gastrojejunostomy, B. Total thyroidectomy, C. Subtotal thyroidectomy, D. Hellers cardimyotomy
B: Total thyroidectomy
Answer: B: Total thyroidectomy 
Explanation: Ans. (b) Total thyroidectomyRef: Rajamahendran Long Cases in Surgery* In subtotal thyroidectomy injury or damage to blood supply of Parathyroid never happens.* It happens only in Total thyroidectomy which manifests as Hypocalcemia on 2-5th POD.* Chvostek and Trousseau signs are seen in Early Hypocalcemia