A nurse is preparing to administer an enteral feeding to a preschooler who has a nasogastric tube. Which of the following actions should the nurse plan to take?

Administer the formula immediately after removing it from the refrigerator.

Administer the feeding at a rate of 3 mL/min.

Elevate the head of the bed to a 45-degree angle.

Discard residual fluid aspirated from the stomach prior to the feeding.