To minimize the risk of infection associated with aerosol drug therapy, what should you do?

These data were obtained from a 70-kg (154-lb) patient on volume-controlled ventilation in the assist-control mode: Mode Assist-control FIO2 0.70 Rate 12 breaths/min VT 500 mL PEEP 8 cm H2O ABGs pH 7.42 PaCO2 43 mm Hg PaO2 172 mm Hg HCO3 23 mEq/L BE -2 mEq/L On the basis of this information, the respiratory therapist should recommend which of the following?

The following data are obtained from a patient on a ventilator:Which of the following represents optimal PEEP?PEEP Level (cm H2O)PIP (cm H20)Plateau Pressure (cm H2O)VT (mL)6351850083820500104223500124526500

Which of the following drugs are associated with over hydration of secretions 

A 23-year-old (60 kg) male patient arrives in the Emergency Department with decreased dynamic compliance and shortness of breath. The doctor asks for initial ventilator settings.  

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

During aerosol drug delivery using a SVN set at 8 L/min, a patient asks that the head of the bed be lowered to a semi-Fowler’s position. Immediately after doing so, you observe a significant drop in aerosol output, despite there being at least 3 ml of solution left in the reservoir. What would you do to correct this problem?

The indication for Fiberoptic Bronchoscopy:

The recommended rate for initial vent settings (ARDS) patient:

Which of the following techniques provides a noninvasive estimate of arterial oxygenation and carbon dioxide?