Pharmacology Infliximab is: A IgG1 chimeric monoclonal antibody against TNF a B IgG1 fully human monoclonal antibody against TNF a C IgG4 chimeric monoclonal antibody against TNF a D P75 TNF receptor fusion protein 💡 Explanation Infliximab is: ✓ Correct Answer: A. IgG1 chimeric monoclonal antibody against TNF a