You are caring for a 77-year-old postoperative client using a morphine sulphate PCA pump for pain control. The assessment

You are caring for a 77-year-old postoperative client using a morphine sulphate PCA pump for pain control. The assessment data reveals a respiratory rate of 8 rpm and irregular. The client is lethargic and confused. What actions should you take? Select one: a. Take observations every 15 minutes and monitor for improvement as this is a common side effect in the elderly b. Allow the patient to sleep, do not disturb them or cause distress by informing them of their respiratory rate c. Turn off the morphine, commence O2 therapy, notify the doctor and stay with the client d. Reduce the morphine rate, apply O2 therapy and commence observations every 15 minutes until improvement is noted