When you touch an infant's cheek, the infant will turn toward your hand, open their mouth, and search for a nipple. This is known as the _____ reflex.

• A. Moro
• B. sucking
• C. rooting
• D. startle

Answer: (C)

Verified step by step guidance

1. Identify the behavior described in the problem: When an infant's cheek is touched, they turn toward the touch, open their mouth, and search for a nipple.
2. Understand that this behavior is a reflex, which is an automatic response to a specific stimulus.
3. Recall the different types of reflexes present in infants: Moro, sucking, rooting, and startle.
4. Define each reflex: The Moro reflex is a startle response to a sudden loss of support. The sucking reflex involves the infant sucking when the roof of their mouth is touched. The rooting reflex involves turning the head and opening the mouth when the cheek is touched. The startle reflex is a response to loud noises or sudden movements.
5. Match the described behavior with the correct reflex: The behavior of turning the head and searching for a nipple when the cheek is touched corresponds to the rooting reflex.