What reflex is assessed to evaluate neurological function in newborns?

The correct answer is the Moro reflex, which is a significant indicator of neurological function in newborns. This reflex, also known as the startle reflex, occurs when a baby feels a sudden loss of support, as if they are falling, prompting them to extend their arms and legs, then rapidly pull them back in. The presence and strength of the Moro reflex can help assess the integrity of the infant's central nervous system and brain function.

In contrast, while the rooting reflex and sucking reflex are important for feeding and demonstrate the infant's interaction with their environment, they are more related to survival and feeding patterns rather than a direct assessment of neurological function. The Babinski reflex, characterized by the fanning of toes when the sole of the foot is stroked, is typically assessed in older infants and children, and its presence or absence can indicate neurological conditions; however, it is not as commonly used in neonates as the Moro reflex for immediate neurological assessment. Overall, the Moro reflex serves as a critical measure of an infant’s neuromuscular response to stimuli, which is why it is predominantly used in evaluating their neurological function.