This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Social & Preventive Medicine
Predominant type of immunoglobulin in human milk: 
Select and explain. 
A. Ig A, B. Ig G, C. Ig M, D. Ig D
A: Ig A
Answer: A: Ig A 
Explanation: In cow's milk the predominant type of immunoglobulin is Ig G, while in human milk it is Ig A. Ref: Nutrition and Child Development, K.E. Elizabeth, 4th edition pg: 22