Which dietary recommendations should a nurse make to an adolescent patient to manage constipation related to opioid analgesic administration? (Select all that apply.)
a) Increase fiber intake by consuming fruits, vegetables, and whole grains.
b) Drink plenty of fluids, particularly water and prune juice.
c) Avoid foods high in fiber to reduce gastrointestinal discomfort.
d) Engage in regular physical activity to promote bowel movements.