Exam 1: Introduction and Nematoda

The diagnostic form of this parasite appears as an oval thin-shelled egg with a clear area around the eight-celled immature embryo. This parasite is:

Which of the following infections is not diagnosed by finding eggs or lava in fecal specimens?

Elephantiasis is a clinical symptom associated with:

A slender round worm measuring 25 cm was recovered from a toilet following a child's trip to the bathroom. The specimen most likely is:

Name the parasite shown in the following image:

Zoonosis is a term used to describe humans' relationship with a(n):

An animal that harbors a parasite that can also infect humans is referred to as a(n):

A clinical sign that may suggest the presence of a filarial nematode infection is:

The diagnosis of Enterobius vermicularis infection is accomplished by observing:

The diagnostic form recovered in feces in Strongyloides stercoralis infections is the:

In the Ascaris lumbricoides life cycle, after eggs are ingested, the next stage in the life cycle that must occur before a mature adult can live in the host's intestine is called the:

Name the parasite shown in the following image:

The nematode egg that appears as a barrel-shaped structure with clear polar plugs at each end of the egg belongs to:

An immigrant from central Africa is exhibiting transient subcutaneous swelling in the arm. A blood smear revealed a sheathed microfilaria with a single row of nuclei present in the posterior of the parasite. The most likely identification is: