Final answer:
When giving otic medications to a child under 3 years old, the pinna should be pulled down and back. This helps to straighten the ear canal and ensures proper administration of the medication.
Step-by-step explanation:
When giving otic medications to a child under 3 years old, the pinna should be pulled down and back. This action helps to straighten the ear canal, allowing for easier administration of the medication. Pulling the pinna up and forward or pushing the pinna inward can actually close off the ear canal and make it more difficult to properly administer the medication.