The Mother of a 5-Month-Old Infant Calls the Pediatric Clinic

The mother of a 5-month-old infant calls the pediatric clinic to report tremors in the infant's extremities and chin. Which action by the nurse is the most appropriate?

A) Reassure the mother that these tremors are a normal part of the infant's development.
B) Give the mother the first available appointment to see the health care provider.
C) Contact the health care provider to see if an electroencephalogram (EEG) should be ordered.
D) Ask the mother to keep a diary of the tremors and schedule an appointment for next week.