Meets patient's goals and needs and provides quality care by conducting pulmonary function tests; assessing and interpreting evaluations and test results; determining respiratory therapy treatment plans in consultation with physicians and by prescription.Helps patient accomplish treatment plan and supports life by administering inhalants; operating mechanical ventilators, therapeutic gas administration apparatus, environmental control systems, and aerosol generators.Administers respiratory therapy treatments by performing bronchopulmonary drainage; assisting with breathing exercises; monitoring physiological responses to therapy, such as vital signs, arterial blood gases, and blood chemistry changes; directing treatments given by aides, technicians and assistants.Evaluates effects of respiratory therapy treatment plan by observing, noting, and evaluating patient's progress; recommending adjustments and modifications.