A client in the medical unit has been NPO for 3 days and is complaining of a headache. Which question should the nurse ask the client in regard to determining the reason for the headache? 1. “Do you...

A client in the medical unit has been NPO for 3 days and is complaining of a headache. Which question should the nurse ask the client in regard to determining the reason for the headache?

1. “Do you eat a diet high in glucose?”

2. “How often do you drink alcohol?”

3. “Do you take sleeping pills regularly?”

4. “How often do you drink caffeinated beverages?”