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The eggs of the blood fluke Schistosoma haematobium range from 110 to 170 microns long by 40 to 70 microns wide and have a sharp, pointed terminal spine. In which specimen is this organism most likely found (M57-4, 10; Level 2)?

Genetic resistance to Plasmodium vivax is related to:

The nurse is caring for a hospitalized client who has not had a bowel movement for the past 2 days when they typically go every day. Which of the following instructions would be the most appropriate for this client?

A patient traveling in North and Central Africa is bitten by a sand fly.  The patient develops an infection at the site of the bite wound followed by extensive enlargement of the abdominal organs and intestines. A biopsy of the liver and kidneys shows organisms resembling a yeast-like cell within the macrophages. The most likely cause of this condition is:

The following organism causes benign quartan malaria with paroxysm cycles every 4 days (section of the thin smear is a typical example of other fields):

A nurse is providing care for a client who has urinary incontinence. Which of the following actions should the nurse take?

A nurse is assessing a client who has a suspected urinary tract infection. The nurse should expect which of the following findings?

The organism associated with a disease characterized by the presence of a pseudomembrane in the throat and the production of a potentially lethal exotoxin is (M16-3; Level 3):

An exofoliatin produced by Staphylococcus aureus is responsible for causing (M13-2; Level 2):

A patient presenting with mild abdominal pain and proglottids in the feces. The ova & parasite exam demonstrates a yellow-brown egg measuring 33 um that is surrounded by a thick wall with radial striations.  Internally a six-hook oncosphere is visible. The most likely identification is (M53-4, 10, 11; Level 3):