Which of the following signs and symptoms indicate that the application of NPPV is being successful? I. improvement of vital signs II. absence of respiratory muscle effort III. gas exchange improvement within 1 hour IV. decreased patient agitation and anxiety
A. I, II only
B. II, IV only
C. I, III, IV only
D. I, II, III, IV
Question 2
Which of the following factors are contraindications for long-term noninvasive ventilation? I. uncooperative, unmotivated patient II. rapidly progressive neuromuscular disease with bulbar involvement III. repeated hospitalizations for hypercapnic respiratory failure IV. unable to fit patient-ventilator interface
A. I, IV only
B. I, II, III only
C. I, II, IV only
D. II, III, IV only