How often should a hearing aid be changed for children less than 4 years of age?
a. once a month c. once a year
b. every 3 to 6 months d. every 2 years
B
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A Incorrect. A hearing aid should be changed every 3 to 6 months for children under 4 years of age
B Correct. A hearing aid should be changed every 3 to 6 months for children less than 4 years of age.
C Incorrect. A hearing aid should be changed every 3 to 6 months for children under 4 years of age
D Incorrect. A hearing aid should be changed every 3 to 6 months for children under 4 years of age
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