A patient with Hirschsprung disease has a developmental condition that involves
A) an open vertebral column
B) lack of sympathetic preganglionic neurons
C) lack of sympathetic postganglionic neurons
D) lack of parasympathetic preganglionic neurons
E) lack of parasympathetic postganglionic neurons

Question

Quizplus · Accepted Answer

Hirschsprung disease is characterized by the absence of ganglion cells in the distal colon, which are parasympathetic postganglionic neurons, leading to a lack of peristalsis and bowel obstruction.

A Patient with Hirschsprung Disease Has a Developmental Condition That