A nurse is assessing an adult client's internal ear canals with an otoscope as part of a head and neck examination. Which of the following action should the nurse take? (Select all that apply)
A. Pull the auricle down and back
B. insert speculum slightly down and forward
C. Insert the speculum slightly down 2 to 2. 5cm (0. 8 to 1 in.
D. Make sure the speculum does not touch the ear canal
E. Use the light to visualize the tympanic membrane in a cone shape