This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Endocrinology, Subject name: Medicine
Which of the following is not a pa of classical triad of Symptoms of diabetes? 
Select and explain. 
A. Polyuria, B. Polyphagia, C. Polydipsia, D. Weight loss
D: Weight loss
Answer: D: Weight loss 
Explanation: Classic triad of Diabetes Mellitus are polydipsia (increased thirst), polyphagia (increased appetite and ingestion), and polyuria (increased urination caused by osmotic diuresis) Ref - Harrison's internal medicine 20e pg 2850 chapter396