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Chapter 78. Parasitic Diseases

Plasmodium falciparum can be characterized as:

A. Being associated with relapses after initial therapy

B. Does not result in thrombocytopenia

C. Does not co-exist with other species of plasmodium

D. Is the only one that causes cerebral malaria

E. Is less severe in pregnancy

AR is a 23-year-old US Marine who was evacuated from Liberia after he developed nausea and vomiting, abdominal pain, and high fever and chills. It was reported he had thrombocytopenia and an enlarged spleen. He was admitted to Walter Reed Hospital and treated with IV chloroquine. However, on the third day, he became delirious and his fever spiked at 41oC. This patient is most probably infected with:

A. P. vivax malaria

B. Yellow fever

C. P. falciparum malaria

D. Amebiasis

E. None of the above

Artesunate is a derivative of:

A. Pyrimethamine

B. Cinchona alkaloid

C. Quinine

D. Proguanil

E. None of the above

Complications of falciparum malaria include the following:

A. Hypoglycemia and acute renal failure

B. Hepatorenal syndrome

C. Agranulocytosis

D. Peritonitis

E. None of the above

Amebic liver abscess (ALA):

A. Should be treated with diloxanide furoate alone.

B. Should be routinely aspirated.

C. Usually affects the right lobe of the liver.

D. Is associated with eosinophilia.

E. All the above

MY is a 46-year-old recent immigrant of Vietnam who has been diagnosed with amebiasis. Abdominal ultrasound indicates he may have an amebic abscess in his liver. The treatment of choice in this patient is:

A. Tetracycline 500 mg three times daily for 14 days

B. Chloroquine 500 mg ...

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