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: Pharmacology
The only FDA approved application of nitric oxide is ? 
Select and explain. 
A. Primary pulmonary hypeension, B. Newborn with pulmonary hypeension, C. Congestive cardiac failure, D. HAPE
B: Newborn with pulmonary hypeension
Answer: B: Newborn with pulmonary hypeension 
Explanation: Ans. is 'b' i.e., Newborn with pulmonary hypeension