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: Medicine
Immunoglobulins used in RX  of -a) Myastheniab) I.T.P.c) PANd) Wegener's granulomatosise) Guillian Barre syndrome 
Select and explain. 
A. abc, B. bcd, C. cde, D. abe
D: abe
Answer: D: abe 
Explanation: None