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: Physiology
Lactoferrin present in the human breast milk protects the child against 
Select and explain. 
A. Enterobacteriaceae infection, B. Amoebic infection, C. Viral infection, D. All of the above
D: All of the above
Answer: D: All of the above 
Explanation: Lactoferrin belongs to the innate immune system. Apa from its main biological function, namely binding and transpo of iron ions, lactoferrin also has antibacterial, antiviral, antiparasitic, catalytic, anti-cancer, and anti-allergicfunctions and propeies. Ref essential paediatrics op ghai 9e Pg130