A nurse is caring for an infant whose guardian reports intermittent vomiting for several days. Exhibits Which of the following actions should the nurse take? (Select all that apply)

Weigh the infant

Measure the infant's head circumference.

Offer the infant small frequent feedings of thickened liquids.

Plan to administer a plain water enema to the infant

Monitor the infant's intake and output

Evaluate the infant's pain level using the FACES scale.

Implement contact precautions.