This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: VBDs, Arboviral & Viral Infections, Surface Infections, Subject name: Social & Preventive Medicine
Rapid diagnosis of Rabies in a Rabid living dog is by? 
Select and explain. 
A. Fluorescent antibody test, B. Corneal impression, C. Inoculation in mouse, D. None of the above
A: Fluorescent antibody test
Answer: A: Fluorescent antibody test 
Explanation: Flourescent Antibody Test : This is a highly reliable and the best single test currently available for the Rapid diagnosis of Rabies viral Antigen in Infected specimen. Corneal impression & Mouse inoculations are also used for diagnosis.