Infants start grasping with the whole hand, and as they develop they begin to use just the fingers. This development is an example of which of the following types of development?
a. cephalocaudal c. anterior-posterior
b. proximodistal d. internal-external
B
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A Incorrect. Cephalocaudal development emerges from the head downward, areas closest to the brain or head develop first, followed by the trunk, then legs and feet.
B Correct. Proximodistal development involves controlled movements closest to the body's center first, followed by controlled movements distant to the body, such as the fingers. Grasping changes from using the entire hand to just the fingers as infants develop.
C Incorrect. Infants start grasping with the whole hand, and as they develop they begin to use just the fingers. This development is not an example of anterior-posterior.
D Incorrect. Infants start grasping with the whole hand, and as they develop they begin to use just the fingers. This development is not an example of internal-external.
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