Answer: D. BiPAP
Explanation:
Some medical issues can make it difficult for you to breathe. You can benefit from bilevel-positive airway pressure in these instances. It is sometimes also know as BiPap. It is a form of ventilator, a system that assists in breathing. Your lungs expand during normal breathing as you breathe in.
There is STD's, Pregnancy, and pain
Dx stands for diagnosis
Px stands for prognosis
Tx stands for treatment