The Mother of a 5-Month-Old Infant Calls the Pediatrician's Office

The mother of a 5-month-old infant calls the pediatrician's office to report to the nurse that she has noticed that her infant still has tremors of the extremities and chin at times.Which of the following actions would be appropriate for the nurse?

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.