The nurse is testing an infant's visual acuity. By which age should the infant be able to fix on and follow a target?
a. 1 month
b. 1 to 2 months
c. 3 to 4 months
d. 6 months
ANS: C
Visual fixation and ability to follow a target should be present by ages 3 to 4 months. One to 2 months is too young for this developmental milestone. If an infant is not able to fix and follow by 6 months, further ophthalmologic evaluation is needed.
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