This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Surgery
Total thyroid lobectomy on affected side, with conservation of 1-2 gm of thyroid tissue on contralateral side to preserve parathyroid glands, is known as: 
Select and explain. 
A. Sub total thyroidectomy., B. Near total thyroidectomy., C. Total thyroidectomy., D. Hemithyroidectomy.
B: Near total thyroidectomy.
Answer: B: Near total thyroidectomy. 
Explanation: None