According to the American Association for Respiratory Care (AARC)Clinical Practice

According to the American Association for Respiratory Care (AARC) Clinical Practice Guideline (2002 Revision & Update) ,which of the following are considered precautions or complications of oxygen therapy?
1) A PaO₂ >60 mm Hg in spontaneously breathing patients with chronic PaCO₂ levels
2) With FɪO₂ >0.50 and the risk of oxygen toxicity or absorption atelectasis occurring
3) During laser bronchoscopy and high levels of oxygen
4) Acute myocardial infarction

A) 1,2,and 4
B) 1,2,and 3
C) 2,3,and 4
D) 1,2,3,and 4