Final answer:
Intraosseous administration of drugs is not most commonly used in infants and toddlers.
Step-by-step explanation:
Of the given statements, statement number 3 requires correction. Intraosseous administration of drugs is not most commonly used in infants and toddlers, but rather in cases where intravenous access is difficult or not feasible, such as during cardiac arrest or in emergency situations. Intraosseous administration involves the injection of drugs into the bone marrow cavity, allowing for rapid absorption into the bloodstream.