A 32 yr old man is employed in foreign services and had recently been assigned to Africa.  After a few months, he began complaining of abdominal pain, vomiting, diarrhea, and weight loss.  He admitted to frequently eating locally grown watercress.  An ova and parasite exam showed a large operculated and embryonated helminth eggs.  What is the first intermediate host for this organism (M55-4, 10, 11; Level 3)?

A  56 yr old man presented to the emergency room with abdominal discomfort.  Radiology indicates intestinal blockage as the cause of the abdominal pain. Parasitic eggs were also found in the sputum. What is the likely parasite?

Which of the following represents pressure in the right atrium?

The following helminths have a free-living stage.

Taenia solium and Taenia saginata can be differentiated by the _____ (M53-7; Level 2):

Which of the following terms is used to describe shortness of breath while lying flat?

An infection by this large tapeworm can result in macrocytic anemia due to a Vitamin B12 deficiency (M53-4; Level 2):

During a very hot summer, a teenager went swimming and picnicking at a very small, shallow lake.  Later that evening, the teenager started to feel sick and complained of a headache and general malaise. The next morning, the teenager became very ill and was rushed to the emergency department. Many neurologic changes were noted. Despite the staff’s best efforts, the teenager died.  An autopsy revealed the presence of small protozoans in her brain tissue. What is the most probable organism that caused her death?

The nurse is caring for a client with upper extremity cellulitis caused by a cat bite. Which interventions should the nurse anticipate as part of the client’s plan of care? Select all that apply:

A 45 yr old man returned to the U.S. after traveling to Central America. He complained of tenderness in the groin area, discomfort during urination, and difficulty sleeping at night with intermittent periods of fever. He also displayed eosinophilia. Subsequent tests included peripheral smears collected during the periodic fevers. After concentration of the blood sample and staining with Giemsa, a sheathed microfilaria was observed.  On closer examination, the tail nuclei did not extend to the tip.  What is the most likely identification (M52-4, 10, 11; Level 3)?