Which of the following is a hazard of oxygen use?

The presence of rhonchi during auscultation of the lungs is MOST suggestive of:

A) asthma. B) pneumonia. C) pneumothorax. D) toxic inhalation.

What will the gauge on an oxygen tank read when it is full?

A) 2200 psi B) 1100 psi C) 750 psi D) 32 psi