Physiology What is the osmolality of plasma if Serum sodium is 135 mEq/L, serum glucose is 120 mg/dL and BUN is 24 mg/dL? A 276 B 285 C 286 D 290 💡 Explanation What is the osmolality of plasma if Serum sodium is 135 mEq/L, serum glucose is 120 mg/dL and BUN is 24 mg/dL? ✓ Correct Answer: C. 286