The respiratory therapist reviews a ventilator flow sheet and observes that the PIP has been gradually increasing over the past several hours with no change in the static pressure. Which of the following should the therapist conclude?

Which of the following are likely to cause errors in SpO2 readings? 1. Anemia 2. Deeply pigmented skin 3. Motion due to shivering 4. Significant tachycardia

A patient on a 60% aerosol mask has the following ABG values: pH 7.47 PaCO2 34 mm Hg PaO2 58 mm Hg HCO3 24 mEq/L BE +1 mEq/L Which of the following is the most appropriate recommendation at this time?

Calculate A-a Gradient (PAO2-PaO2)

Which of the following would be considered an Anesthetic?

A physician wants to deliver a therapeutic aerosol to the nose, larynx and trachea. To help ensure maximum deposition in this area, you would select an aerosol generator with an MMAD in what range?

Which of the following aerosols would have the highest rate of deposition by diffusion?

The PaCO2 of Ms. Hart, a 40-year-old mechanically ventilated patient with normal cardiopulmonary status, is 60 mm Hg. This value indicates _____ and should be managed by _______ the tidal volume or respiratory frequency.

A “ventilator bundle” may include which of the following? 1. Keeping the head of the bed at 30 degrees from the horizontal 2. Changing the ventilator circuits every 48 hours 3. Using a Heat Moisture exchange 4. Using noninvasive positive pressure ventilation (NPPV) whenever possible

Calculate the arterial oxygen content for a patient with the following arterial blood gas measurements: Hgb = 9g%, arterial oxygen saturation = 96%, arterial partial pressure of oxygen (PaO2) = 97 mm Hg.