A nurse is assessing a 4-month-old infant during a well-baby visit. For which of the following findings should the nurse notify the provider?

A. The doll's eye reflex, or oculocephalic reflex, is a normal reflex in infants up to about 2 months of age. It involves the eyes moving in the opposite direction of head movement. By 4 months of age, this reflex typically disappears as the infant’s voluntary eye movements become more developed. Therefore, if the B. By 4 months of age, it is normal for an infant to show significant reduction in head lag when pulled to a sitting position. Ideally, the infant should be able to hold their head up with minimal lag. C. The Babinski reflex is a normal reflex in infants, where the toes fan out when the sole of the foot is stroked. This reflex is expected to be positive in infants up to about 12-24 months of age. By 4 months, a positive Babinski reflex is still normal and does not indicate a problem. D. Infants typically start producing tears around 2-3 months of age. By 4 months, the presence of tears when crying is a normal developmental milestone and indicates healthy lacrimal gland function. Therefore, this finding is normal and does not need to be reported to the provider.