This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Other topics and Adverse effects, Subject name: Anatomy
Which of the following monoclonal antibodies is a humanized antibody 
Select and explain. 
A. Rituximab, B. Palivizumab, C. Infliximab, D. Basilximab
B: Palivizumab
Answer: B: Palivizumab 
Explanation: Ref-Katzung 10/e p816 Fron nomenclature of monoclonal antibodies