This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: NEET 2019, Subject name: Medicine
[{'content': 'Investigation of choice for neurosyphilis: \nSelect and explain. \nA. VDRL, B. FTA-ABS, C. RPR, D. TPI', 'role': 'user'}, {'content': 'Answer: A \nExplanation: VDRL :- For congenital & Neurosyphilis FTA-ABS :- 1deg/2deg/ Latent Syphilis DOC for Neurosyphilis:- Pen. G IV for 2 weeks', 'role': 'assistant'}]