When a neonate's hand is stimulated by an object such as a finger or a pencil, the infant's fingers will close tightly in a grasp. This behavior is best considered to be an example of:
A) the plantar reflex
B) the palmar grasp reflex
C) the Moro reflex
D) the Babinski reflex

Question

Quizplus · Accepted Answer

The Palmar grasp reflex is when a neonate's hand is stimulated and they grasp tightly. This reflex typically disappears by 3-4 months of age. Option A is incorrect because the plantar reflex is when the toes curl when the sole of the foot is stimulated. Option C, the Moro reflex, is when a neonate spreads their arms and legs in response to a sudden movement or noise. Option D, the Babinski reflex, is when the toes fan out when the sole of the foot is stroked. These reflexes may indicate nerve or brain damage if they persist beyond infancy.

When a Neonate's Hand Is Stimulated by an Object Such