In the Life Cycle of the Pinworm Enterobius, a Common

question 47

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)definitive
• C)primary
• D)intermediate and definitive

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Definitions:

Lineation

A linear arrangement of textural or structural features in rock, often indicative of the flow or movement direction during formation.

Long Crystals

Mineralogical structures characterized by their elongated shape, often formed under certain conditions of temperature and pressure.

Dark-Colored

Describes substances or materials that reflect very little light, making them appear black or close to black in color.

Stretched Pebbles

Elongated pebbles that have been deformed and stretched by tectonic forces in a metamorphic environment.