The abbreviation for "twice a day" is ______________

A patient is extubated and placed on a cool, bland aerosol with 30% oxygen. Twenty minutes post extubation, the respiratory therapist is called to assess the patient, who has shortness of breath

The respiratory therapist observes intercostal retractions, accessory muscle use, and a respiratory rate of 38 breaths/min. Stridor can be heard without a stethoscope, and the SpO2 has dropped from 97% to 85%. The patient is given an aerosolized racemic epinephrine treatment and reas-sessed. Accessory muscle use continues, intercostal retractions decrease slightly, and stridor is heard on auscultation. The patient's respiratory rate is 30 breaths/min and the SpO2 is 88%. What should the respiratory therapist recommend? a. Reintubation and mechanical ventilation b. Heliox therapy and steroid administration c. Increase the FIO2 on the cool bland aerosol to 40% d. Use a nonrebreather mask with 15 L/min oxygen.

Nozzle pressure pushes the water out of the nozzle, and it also ____.

A. moves the nozzle perpendicularly B. keeps the nozzle still C. pushes the nozzle in the same direction D. pushes the nozzle in the opposite direction