<prompt> A 36-year-old diabetic woman develops metabolic changes following salpingo-oophorectomy. Serum osmolality of the blood can be calculated from serum values of which of the following?Sodium, potassium, chloride, and bicarbonateSodium, potassium, urea, and hemoglobinSodium, potassium, glucose, and ureaSodium, albumin, urea, and glucose  <response>: Serum osmolality is calculated from serum values of sodium, potassium, glucose, and BUN by using the formula 2NaKBUN2.8glucose18. 