A 6-year-old is seen in clinic with complaints of painful, large, hard stools and the caregiver reports that in the last few weeks they have only had 1 to 2 BMs per week. What test should the NP order?
1) Fecal occult test
2) CT scan of the pelvis and abdomen
3) Plain film X-ray of the abdomen
4) Comprehensive Metabolic Panel