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.
ANS: D
The otoscope directs light into the ear canal and onto the tympanic membrane that divides the external and middle ear. A short, broad speculum is used to visualize the nares.
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