Question: What are the primary objectives of noninvasive positive-pressure ventilation (NPPV)? I. To increase the likelihood of successful weaning from mechanical ventilation II. To improve respiratory gas exchange III. To decrease the patient's work of breathing IV. To reduce the risk of ventilator-associated pneumonia a. I andIV only b. II and III only c. I, II, and III only d. II, III, and IV only. Need Assignment Help?