Microbiology: A Systems Approach 4th Edition by Marjorie Kelly Cowan

Exercise 41

Critical thinking is the ability to reason and solve problems using facts and concepts. These questions can be approached from a number of angles and, in most cases, they do not have a single correct answer.
a. Draw a diagram illustrating whether or not each of the following transfusions would be immunologically compatible.
Type A donor into a type B recipient
Type B donor into a type AB recipient
Type O- donor into a type O+ recipient
b. Explain how xenotransplantation can be successful in light of the immune system's robust ability to recognize foreign antigen.