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: Pediatrics
Cause of "bloody" vomitus in a neonate - 
Select and explain. 
A. Meckel's diveiculum, B. Intussusception, C. Malrotation, D. None
D: None
Answer: D: None 
Explanation: Ans. is None Causes of bloody vomitus in neonates --> Stress gastritis, Hemarrhagic disease of newborn, Swallowed maternal blood