It Is Not Advised to Introduce Solid Foods to an Infant

Multiple Choice

It is not advised to introduce solid foods to an infant before 4 months of age because

A) the young infant's GI tract is not mature enough to digest complex carbohydrates and proteins.
B) the young infant's kidney function is limited.
C) the young infant is not able to sufficiently control his head and neck.
D) All of these are reasons to delay the introduction of solid foods until 4 to 6 months of age.