To Assess the Head Control of a 4-Month-Old Infant,the Nurse

Multiple Choice

To assess the head control of a 4-month-old infant,the nurse lifts up the infant in a prone position while supporting his chest.The nurse looks for what normal response? The infant:

A) Raises the head, and arches the back.
B) Extends the arms, and drops down the head.
C) Flexes the knees and elbows with the back straight.
D) Holds the head at 45 degrees, and keeps the back straight.