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: Surgery
Testing of receipient cells against donor serum is 
Select and explain. 
A. Major Cross Matching, B. Minor Crossmatching, C. Direct Coomb's Test, D. Rh Group Matching
B: Minor Crossmatching
Answer: B: Minor Crossmatching 
Explanation: Answer- B. Minor CrossmatchingMinor cross-match: Recipient red cells are tested against donor serum to detect donor antibodies directed against a patient's antigens.This is no longer required. It is assumed that the small amount of donor serum and antibodies left in a unit of packed cells will be diluted in a recipient