The intent of Pediatric Medical Student Pearls of Wisdom is to serve as a study aid to improve performance on a standardized exam. It is not intended to be a source text of the knowledge base of pediatric medicine, nor to serve as a reference in any way for the practice of clinical pediatrics. Neither Boston Medical Publishing Corporation nor the editors warrant that the information in this text is complete. Readers are encouraged to verify each answer in several references. All drug use indications and dosages must be verified by the reader before administration of any compound.