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A patient who recently traveled to Central America presents to the emergency room with fever and chills occurring every third day.  A thick and thin prep of the patient’s blood is prepared and stained as malaria is suspected.  Inclusions seen in the patient’s RBC’s are described as blue disks with red nuclei.  The infected erythrocytes are generally enlarged and some of them having reddish granules.  Some of the RBC’s appear to have >15 merozoites in a single cell.  Identify the parasite described:

A young man from rural Brazil is visiting family in the United States when he becomes ill with muscle pains, high fever, and hepatosplenomegaly.  A blood sample taken in the emergency room reveals the following organism. The most likely identification of this organism is:

Small gray non-hemolytic colonies from an animal bite grew on BAP and CHOC but failed to grow on MAC or EMB.  The organism is catalase, oxidase, and indole positive. The organism ferments sugars slowly. The most likely organism is (M29-1; Level 3):

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?