This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Normal Physiology - Sodium, Potassium, and Acid-Base Balance, Subject name: Surgery
[{'content': 'Which of following is hypertonic? \nSelect and explain. \nA. 5%dextrose, B. 0.45% normal saline, C. 0.9%normal saline, D. 3% normal saline', 'role': 'user'}, {'content': 'Answer: D \nExplanation: ANSWER: (D) 3% normal salineREF: Fluids & electrolytes by By Lippincott Williams & Wilkins page 264IsotonicHypertonicHypotonicDextrose 5% in water5% dextrose in half normal saline0.45% normal saline0.9% normal saline (NaCl)5% dextrose in normal saline Ringer lactateDextrose 10% in water', 'role': 'assistant'}]