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: Forensic Medicine
False negative hydrostatic test in live born: AI 08 
Select and explain. 
A. Atelectasis, B. Meconium aspiration, C. Emphysema, D. Congenital hea disease
A: Atelectasis
Answer: A: Atelectasis 
Explanation: Ans. Atelectasis