The nurse wants to do a quick evaluation of a one-month-old infant's hearing. Which assessment will provide the best information?
1. Examining the ear canal with an otoscope
2. Using a vibrating tuning fork placed against the child's skull
3. Using tympanometry
4. Using a noisemaker in the infant's presence to evaluate the child's response
4
Rationale 1: Inspection of the ear canal and membrane will not provide any information on the infant's hearing ability.
Rationale 2: In a school-age child, this will test bone conduction, but it is not appropriate for an infant.
Rationale 3: Tympanometry is a tool to evaluate the movement of the tympanic membrane. Although related to sound transmission, it is not the best response.
Rationale 4: This is a quick, simple evaluation of the child's ability to hear sounds. The child's response can be a stopping of activity, widening of the eyes, or turning toward the sound.
Global Rationale:
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