Refractory hypoxemia is defined as a PaO2 less than on an FiO2 equal to or greater than %.

Which of the following values would be consistent with refractory hypoxemia?

A patient is being weaned from mechanical ventilation. Which values in the chart below would prevent the patient from continuing the weaning process? (Select all that apply)IBW86.4 kgVT/VD0.55PaO2/FiO2450CaO212.9VC1.04 LVE15 L/min

A PaCO2 level of mmHg will not result in an increase in respiratory rate.

A nurse is teaching a client about the use of the Peak Expiratory Flow Rate.  What statement by the client would be the most concerning, and require immediate follow-up education by the nurse?   

Which of the following VD/VT ratios would indicate an increase in deadspace ventilation?

The normal range for vital capacity is mL/kg of IBW.

Vital capacity is used as a measure of diaphragmatic reserve and strength for patient’s with neuromuscular disease and for patient’s weaning off of mechanical ventilation. The minimum acceptable value of >10-15 mL/kg of IBW is required for the patient to be able to do which of the following? (Select all that apply)

A nurse is performing a physical assessment on a client.  Which action should the nurse take to assess the client’s tissue perfusion?

A patient comes to the emergency room with complaints surrounding a COPD exacerbation.  The nurse anticipates all of the following physical assessment findings except: