A client is preparing for an esophagogastroduodenoscopy (EGD). This includes withholding food and fluids for 6 to 12 hours and receiving a sedative before the test. In addition, the nurse will spray...

A client is preparing for an esophagogastroduodenoscopy (EGD). This includes withholding food and fluids for 6 to 12 hours and receiving a sedative before the test. In addition, the nurse will spray the client’s throat with a local anesthetic or the client will gargle with the local anesthetic. What precautions does the nurse take before the client goes for the EGD?