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: Medicine
Which of the following is true about Hyperglycemic hyperosmolar state - 
Select and explain. 
A. it is more common in young patients with type 1 diabetes melitus, B. Mental status is not altered in any case, C. There is associated hypeension and tachycardia, D. Kussumaul respirations are characteristic
D: Kussumaul respirations are characteristic
Answer: D: Kussumaul respirations are characteristic 
Explanation: Answer- D. Kussumaul respirations are characteristicHyperglycemic hyperosmolar nonketotic comaNotably absent are symptoms of nausea, vomiting, and abdominal pain and the Kussmaul respirations characteristic of DKA.This is a life threatening complication of diabetes mellitus characterized by marked hyperglycemia, dehydration, and hyperosmolarity with or without mental obtundation in the absence of significant ketoacidosis.The prototypical patient with HHS is an elderly individual with type 2 DM.Sepsis, pneumonia, and other serious infections are frequent precipitants.