A 16-Year-Old Girl Is Being Seen at the Clinic for Gastrointestinal

A 16-year-old girl is being seen at the clinic for gastrointestinal complaints and weight loss.The nurse determines that many of her complaints may be related to erratic eating patterns,eating predominantly fast foods,and high caffeine intake.In this situation,which is most appropriate when collecting current dietary intake information?

A) Scheduling a time for direct observation of the adolescent during meals
B) Asking the patient for a 24-hour diet recall, and assuming it to be reflective of a typical day for her
C) Having the patient complete a food diary for 3 days, including 2 weekdays and 1 weekend day
D) Using the food frequency questionnaire to identify the amount of intake of specific foods