Final answer:
Hyperosmolar nonketotic syndrome (HHS) most often occurs in middle-aged or older people with either type 2 diabetes or no known history of diabetes. HHS is a life-threatening complication of diabetes characterized by extremely high blood sugar levels, severe dehydration, and altered mental status.
Step-by-step explanation:
Hyperosmolar nonketotic syndrome (HHS) most often occurs in middle-aged or older people with either type 2 diabetes or no known history of diabetes. HHS is a life-threatening complication of diabetes characterized by extremely high blood sugar levels, severe dehydration, and altered mental status. It typically occurs when there is insufficient insulin in the body to control blood sugar levels, leading to hyperglycemia and dehydration.