Airway disease due to cotton dust is reported with code ____

An alert and distressed 72-year-old male with a history of congestive heart failure is in severe respiratory distress, breathing 28 to 32 times a minute. His airway is patent, respirations labored, and skin diaphoretic with a weak and rapid radial pulse. Vital signs are: pulse 136, respirations 28, blood pressure 202/110 mmHg, and SpO2 83%. Cyanosis is evident in the fingertips. The best

treatment of his breathing would be: A) CPAP. B) albuterol MDI. C) high-concentration oxygen with a nonrebreather. D) nasal airway with high-concentration O2.

Ultrasonic cleaning uses:

A) body fluids. B) chemical agents. C) distilled water. D) sound waves.