Which of the following can perform administrative and laboratory functions without formal education and with only on-the-job training? 

You are trying to ventilate an 18-month-old baby who has stopped breathing. You have laid him down on a flat surface to ventilate him, but you are unable to get his chest to rise. You should:

A) suction his mouth to clear secretions. B) flex his neck toward his chest. C) tip his head back farther to open his airway. D) place a folded towel under his shoulders.

A patient with COPD should present with a PO2 of:

A) 35-45 mmHg. B) 70-80 mmHg. C) 50-60 mmHg. D) 94-96 mmHg.