This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General physiology, Subject name: Physiology
[{'content': 'Transcellular fluid is seen in \nSelect and explain. \nA. Body cavities lined by epithelium, B. Intracellularly, C. Intercellularly, D. None of the above', 'role': 'user'}, {'content': 'Answer: A \nExplanation: It represents fluid in the lumen of structures lined by epithelium. (Ref: Textbook of physiology AK Jain 5th edition page no.25)', 'role': 'assistant'}]