A Patient with COPD Is Being Administered IPPB Therapy for Atelectasis.Oxygen

question 7

Multiple Choice

A patient with COPD is being administered IPPB therapy for atelectasis.Oxygen is being used as the source gas.During the therapy the patient becomes lethargic and drowsy,and the patient's respiratory rate decreases from 20 to 6/minute.What is the most likely reason for this occurrence?

• A) The patient is sleep deprived and the relief of the work of breathing has relaxed the patient
• B) The patient is experiencing interruption of the hypoxic drive
• C) The patient is hyperventilating and is experiencing the signs of increased alveolar ventilation
• D) The patient is experiencing decreased cardiac output and is having ventilation/perfusion mismatching

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