The nurse is planning a client's transition from enteral nutrition to an oral diet. Which guideline for transition to an oral diet will the nurse identify as being correct?
a. Tube feeding should be done only at night
b. Tube feeding should be stopped when 500 to 750 calories are consumed each day
c. Oral feeding frequency is gradually increased to achieve 6 small oral feedings
d. Tube feeding should be stopped for 3 to 5 days