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
[{'content': 'Which IV fluid should not be used in a patient with head injury - \nSelect and explain. \nA. 5% Dextrose, B. Normal saline, C. Dextrose normal saline, D. All of the above', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]