At the fireworks show, michael is afraid and thinks his newborn sister is sick when she suddenly flings her arms and legs out from her body, then pulls them in tightly. michael’s mom is not concerned because she knows that this is just the baby’s reflex.

a) moro
b) rooting
c) grasping
d) tonic neck

Moro.

Explanation:

Moro reflex may be defined as a type of the infantile reflex that occur during 30-35 weeks of the gestation. The evaluation of integration of central nervous system occurs at moro reflex.

The moro reflex causes the flings of the baby arms and her legs are out from her body. The baby spread the arms and causes arms adduction. Michaels' afraid of the sister response but her mother knows that this is a simple moro  reflex of the baby.

Thus, the correct answer is option (a).

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