This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Systemic Bacteriology Pa 1 (Gram Positive Cocci, Gram Negative Cocci), Subject name: Microbiology
[{'content': 'The best site to obtain a swab in acute symptomatic gonorrhea is: \nSelect and explain. \nA. Endocervix, B. Exudate after prostatic massage, C. Lateral vaginal wall, D. Posterior fornix', 'role': 'user'}, {'content': 'Answer: A \nExplanation: The best site to obtain a swab in acute symptomatic gonorrhea is Endocervix Diagnosis of Gonococcal infection: Acute Gonorrhea: Chronic Gonorrhea: a) Endocervical Culture - 80-90% sensitivity b) Urethral Discharge - 50% Sensitivity c) Rectal swab a) Morning drop secretion b) Exudate after prostatic massage c) Centrifuged deposit of urine when no urethral discharge - For DGI (Disseminated gonococcal infection): Blood culture and synol fluid culture - Transpo media: Charcoal impregnated swabs/medium (Stua/Amies media) For longer holding period: CO2 generating system - Gram staining of Cervical swab: N. gonorrhoeae - Kidney shaped, Non-capsulated.', 'role': 'assistant'}]