The Student Nurse Is Preparing to Insert the Otoscope into the Adult

The student nurse is preparing to insert the otoscope into the adult client's ear.Which of the following statements indicates that the student nurse requires further education?

A) "I'm going to use the largest speculum that will fit easily into the ear canal."
B) "I'm going to prepare to insert the otoscope by pulling the pinna down and back."
C) "The tympanic membrane should look gray and translucent."
D) "I will ask the client to perform the valsalva maneuver so that I can see how well the tympanic membrane moves."