A nurse is preparing to administer a vaccine to a toddler.Which of the following actions should the nurse plan to take?

Choice A rationaleMassaging the injection site is not recommended after vaccine administration as it might cause more irritation or discomfort and does not contribute to vaccine absorption.Choice B rationaleAspiration is not typically recommended during vaccine administration. It does not add any benefit and may increase the duration of the procedure, causing more discomfort to the child.Choice C rationaleEnsuring the guardian has signed an informed consent form is crucial as it confirms that they are aware of the benefits, risks, and possible side effects of the vaccine. It is an ethical and legal requirement in healthcare.Choice D rationaleThe dorsogluteal site is not recommended for vaccine administration in toddlers due to the risk of injury to the sciatic nerve. The vastus lateralis muscle is typically preferred for intramuscular injections in young children.