The Nurse Is Preparing to Use an Otoscope for an Examination.Which

The nurse is preparing to use an otoscope for an examination.Which statement is true regarding the otoscope? The otoscope:

A) is often used to direct light onto the sinuses.
B) uses a short, broad speculum to help visualize the ear.
C) is used to examine the structures of the internal ear.
D) directs light into the ear canal and onto the tympanic membrane.