List two conditions that may cause internal obstuction or external compresssion of the airway lumen.

Which of the following patient groups should be considered for lung expansion therapy using intermittent positive-pressure breathing (IPPB)?1. Patients with clinically diagnosed atelectasis who are not responsive to other therapies2. Patients at high risk for atelectasis who cannot cooperate with other methods3. All obese patients who is able of generating VC > 15 ml/kg

Which of the following machine performance characteristics should be monitored during intermittent positive-pressure breathing therapy?  Pick all that Apply

Which of the following would indicate a successful outcome for postural drainage therapy? Pick all that apply

Which of the following clinical signs indicate that a patient is having a problem with retained secretions? Pick All that apply

Partial airway obstruction can result in which of the following? Pick All that apply

What is the amount of moisture in the air compared to what the air can “hold” at that temperature call? 

Explain how does humidity differ from aerosol?

List three factors that affect humidity and which one affect absolute humidity the greatest.

What principle is used to generate higher total aerosol output flow from a large volume nebulizer compare to a low flow set oxygen flow device.