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: Microbiology
All are type-II hypersensitivity reaction except ? 
Select and explain. 
A. Hemorrhagic disease of newborn, B. Graves disease, C. Autoimmune disease, D. Hemolytic anemia
A: Hemorrhagic disease of newborn
Answer: A: Hemorrhagic disease of newborn 
Explanation: Ans. is 'a' i.e., Hemorrhagic disease of newborn Graves disease, Autoimmune hemolytic anemia are type II hypersensitivity reactions. Hemorrhagic disease of newborn is due to vitamin K deficiency.