This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Infection, Subject name: Medicine
Generalized paresis of Insane is seen in- 
Select and explain. 
A. Primary stage, B. Secondary stage, C. Neuro syphilis, D. Congenital syphilis
C: Neuro syphilis
Answer: C: Neuro syphilis 
Explanation: The major clinical categories of symptomatic neurosyphilis include meningeal, meningovascular, and parenchymatous syphilis. The last category includes general paresisand tabes dorsalis. The onset of symptoms usually occurs <1 year after infection for meningeal syphilis, up to 10 years after infection for meningovascular syphilis, at ~20 years for general paresis, and at 25-30 years for tabes dorsalis. (Harrison's Principles of internal medicine, 20 th edition, page 1389)