It's one of the tape worms.. Taenia saginata

publisher :NIL NAM -July 03, 2017

It's one of the tape worms:
a. Ascaris lumbricoides
b. Ancylostoma duodenal
c. Trichuris tricura
d. Taenia saginata***

A patient who received spinal anesthesia four hours ago during surgery is transferred to the surgical unit and, after one and a half hours, now reports severe incisional pain