The nurse notices a baby in the waiting room. The baby is sitting on the mother's lap and picking up small green peas out of a bowl with a true pincer grasp and eating them unassisted
The nurse knows that this baby is at least how many months old? a. 4 to 6 c. 10 to 12
b. 7 to 9 d. 13 to 15
C
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A Incorrect. The thumb and pincer grasp does not develop until approximately 8 months, and it is not fine tuned enough to pick out a single green pea until between 10 and 12 months.
B Incorrect. The thumb and pincer grasp does not develop until approximately 8 months, and it is not fine tuned enough to pick out a single green pea until between 10 and 12 months.
C Correct. By 10 months of age, the infant's pincer grasp is more refined and reflected in the ability to grasp small finger foods such as green peas.
D Incorrect. By 10 months of age, the infant's pincer grasp is more refined and reflected in the ability to grasp small finger foods such as green peas; this development is earlier than 13 to 15 months.
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