Question 84

Infants have the Moro reflex to cling to the caregiver.

The Moro reflex serves an evolutionary purpose by enabling infants to instinctively cling to their caregivers for safety and security during moments of perceived threat or instability.

A) find the nipple

While finding the nipple is crucial for feeding, the Moro reflex is not directly related to this process. Instead, the reflex is primarily a response to sudden movements or loss of support, which helps the infant cling to the caregiver rather than specifically aiding in locating the nipple.

B) cling to the caregiver

This option accurately captures the essence of the Moro reflex, as it is a defensive mechanism that promotes attachment and safety. When infants experience a sensation of falling or fear, they instinctively spread their arms and then retract them, facilitating a grasping motion that helps them cling to their caregiver, reinforcing the bond and ensuring protection.

C) prepare for walking

The Moro reflex does not relate to preparing for walking. It is a primitive reflex observed in newborns that emerges in response to a perceived loss of support rather than a developmental step towards mobility. Walking involves a series of more complex motor skills that develop later.

D) prepare for reaching

Although reaching is an important developmental milestone, the Moro reflex is not specifically designed to prepare infants for this action. Instead, it is a reflexive response to external stimuli that creates a protective instinct rather than a preparatory mechanism for reaching.

E) survive if placed in water

The Moro reflex does not serve a purpose related to survival in water. It is primarily a reaction to fear or instability on solid ground and does not provide any advantages in aquatic environments.

Conclusion

The Moro reflex is fundamentally about enabling infants to cling to their caregivers, ensuring their safety in moments of fear. This instinctual behavior enhances the infant-caregiver bond and provides essential protection, whereas the other options do not accurately reflect the reflex's evolutionary significance. Thus, option B is clearly the correct answer, as it aligns with the essential purpose of the Moro reflex.