Clinical signs and symptoms of inadequate airway humidification inclue all of the following EXCEPT:

A patient is receiving oxygen therapy via simple mask at a flow of 15 L/min with a bubble humidifier.  A clinical assessment reveals a nonproductive cough.  The patient is reporting a dry mouth, nose, and throat.  The most appropriate actions(s) to take include which of the following?  Pick all that apply

Which of the following statements are true concerning bubble humidifiers?

What is the relative hmidity when the absolute humidity is 10 mg H2O/L and the capacity is 18 mg H2O/L?

Which of the following devices is most suitable for delivery of treprostinil?

An MDI is ordered for a patient who is intubated and being mechanically ventilated and humidified with a heat-moisture exchanger (HME). Which of the following is the most appropriate way to administer the bronchodilator?

What is the preferred method for delivering bronchodilators to intubated patient on mechanical ventilation?

In a dose-response assessment of a patient’s response to a metered dose inhaler bronchodilator, when would you stop increasing the dose?1. When the peak expiratory flow rate improves less than 10% to 15%2. When tachycardia occurs3. When tremors are evident4. When 6 to 8 puffs are delivered

Which of the following would be correct instructions for a patient being taught proper use of a dry powder inhaler?1. Place mouthpiece 4 cm from mouth2. Exhale slowly to FRC3. Inhale deeply and forcefully (>60 L/min). A breath holdshould be encouraged but is not essential.4. Repeat until dose is used up

What is the most reliable indicator of a change in airway resistance due to bronchodilator administration during mechanical ventilation?