Pathology Questions-4

4. A 2-day-old male infant has not passed any
meconium and is now developing signs of
obstruction. Examination of the colon would
reveal which of the following abnormalities?
(A) absence of parasympathetic ganglion
cells in the submucosal and myenteric
plexus
(B) absence of the nerve fibers that innervate
the wall
(C) atrophy of the mucosal lining of the
wall
(D) hypertrophy of the muscle coat of the
wall
(E) presence of multiple small polyps along
the mucosal surface

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