This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Pharmacology
[{'content': 'role of toclizumab in a patient with ARDS developed due to covid 19 \nSelect and explain. \nA. it acts by halting lysogenic phase of corona virus, B. it stops the lung parenchymal damge by the virus, C. it is a IL-6 receptor inhibitor, D. all the above', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Tocilizumab, a monoclonal antibody directed against the interleukin-6 receptor, has been proposed to mitigate the cytokine storm syndrome associated with severe COVID-19. We aimed to investigate the association between tocilizumab exposure and hospital-related moality among patients requiring intensive care unit (ICU) suppo for COVID-19. ref : www.ncbi.gov', 'role': 'assistant'}]