This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: general microbiology, Subject name: Microbiology
[{'content': 'In which of the following is throat swab transpoed to the lab? \nSelect and explain. \nA. Plastic tube, B. Plate and agar, C. Test tube, D. No covering', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]