Neonatal Care and Anomalies – Imperforate Anus NCLEX Practice Questions: Imperforate Anus and Anorectal Malformations While caring for a neonate with an imperforate anus, the nurse assesses the neonate’s urine output for which of the following? (A) Meconium. (B) Blood. (C) Bile. (D) Acetone. Δ