[Verified Answer]: A client had gastric bypass surgery, is on…

A client had gastric bypass surgery, is on nothing-by-mouth (NPO) status, and is in pain. The nurse gives morphine 4 mg as ordered. In 20 minutes, the client reports feeling nauseous.What would the nurse suspect as the most likely cause?The surgery is causing nausea.Being NPO, the increase in gastric secretions is precipitating this symptom.It is a reaction to blood still remaining in the mouth after extubation.Morphine, which was given for pain, has a tendency to cause nausea.