A patient diagnosed with asthma was provided with respiratory care about the correct usage of a bronchodilator. This service is provided in the patient's home. Report code _____

When attached to oxygen supply with the oxygen reservoir in place, a bag-mask device is able to supply almost _________ oxygen.

a. 100% b. 95% c. 90% d. 85%

Which waveforms are present during wakefulness and during the onset of quiet sleep? 1. Alpha waves 2. Beta waves 3. Delta waves 4. Theta waves

a. 1 and 2 c. 3 and 4 b. 2 and 3 d. 1 and 4