While suctioning a client's nasopharynx, the nurse observes that the client's oxygen saturation remains at 94%, which is the same reading obtained prior to starting the procedure. Which action should the nurse take in response to this finding?

A Complete the intermittent suction of the nasopharynx. D Stop suctioning until the pulse oximeter reading is above 95%. C Reposition the pulse oximeter clip to obtain a new reading. B Apply an oxygen mask over the client's nose and mouth.