Baby Sam's dad could not stop laughing because every time he touched the soles of his feet his toes would fan out. In this scenario, the baby exhibited the _________.

A) withdrawal reflex
B) Moro reflex
C) Babinski reflex
D) palmar reflex

Babinski Reflex

A reflex action in which the big toe remains extended or extends itself when the sole of the foot is stimulated, indicative of abnormalities in the central nervous system.

Moro Reflex

An infantile reflex triggered by a sudden loss of support, where the infant feels as if it is falling, manifesting in spreading arms, pulling arms in, and crying.

Palmar Reflex

An involuntary movement where babies close their fingers in a grasp when their palm is touched.