The nurse is performing an assessment on a 10-week-old infant. The nurse understands that the developmental characteristic of hearing at this age is which?
a. The infant responds to his own name.
b. The infant localizes sounds by turning his head directly to the sound.
c. The infant turns his head to the side when sound is made at the level of the ear.
d. The infant locates sound by turning his head to the side and then looking up or down.
ANS: C
At 8 to 12 weeks of age, the infant turns the head to the side when sound is made at the level of the ear. At 16 to 24 weeks, the infant locates sound by turning the head to the side and then looking up or down. At 24 to 32 weeks, infants respond to their own name. At 32 to 40 weeks, the infant localizes sounds by turning the head directly toward the sound.
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