In the Life Cycle of the Pinworm Enterobius, a Common

Multiple Choice

In the life cycle of the pinworm Enterobius, a common pediatric infection, the child carries the adult worm in his/her intestine. The adult worm releases eggs, which are transmitted out of the body in the feces. The child will scratch the itching anal region, picking up the worm eggs and re-inserting them into his/her mouth. For this helminth life cycle, the human is the ______ host.

A) intermediate
B) de?nitive
C) primary
D) intermediate and de?nitive