The gas, liquid, or solid through which light energy is passed to create a laser beam, contained within the optical resonant chamber, is known as ________

_____ is a powerful class of hormones that can pass through the cell membrane and interact directly with a cell's DNA

Fill in the blank(s) with correct word

A lethargic 8-year-old boy is in respiratory distress. His airway is patient and respiratory rate is 12 breaths per minute. His breath sounds are diminished bilaterally and you note accessory muscle use with inspiration and expiration. His pulse is 84 beats per minute and his SpO2 is 88 percent. Which of the following should you do next?

A) Recheck the SpO2 on another finger. B) Begin positive pressure ventilation. C) Get a history and begin a secondary exam. D) Initiate immediate transport to the hospital.