A 17 years old boy who recently emigrated from India presents to emergency department with complaints of spiking fever, weight loos and lethargy. On examination he is cachectic with grey skin tone and he is found to have pronounced splenomegaly and mild hepatomegaly. Laboratory test reveal pancytopenia, especially show anemia. Microscopic examination of a bone marrow aspirate from this patient revealed parasites in the macrophages. 1. Which of the following pathogens is most likely to have caused his illness? Spirometra mansoni Echinococcs granulosus Paragonimus westermani Leishmania donovani Entamoeba histolytic 2. Which will be the important factor for pathogen differential diagnosis? Age Location of lesion Patient’s hobby Bone marrow examination Hepatosplenomegaly 3. Which methods could be used in diagnosis? Thick blood smear Stool sample Bone marrow smear Sputum sample Blood for serology 4. Which of the following factor is most likely to be involved? The pathogen migrates into bloodstream and residence in the organ The pathogen could find in liver and spleen lesion Parasites adherence to the host cell’s membrane The parasites penetrate the macrophages and proliferation The pathogen adherence to the capillary

Human Anatomy & Physiology (11th Edition)

11th Edition

ISBN:9780134580999

Author:Elaine N. Marieb, Katja N. Hoehn

Publisher:Elaine N. Marieb, Katja N. Hoehn

Chapter1: The Human Body: An Orientation

Section: Chapter Questions

Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...

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A 17 years old boy who recently emigrated from India presents to emergency department with complaints of spiking fever, weight loos and lethargy. On examination he is cachectic with grey skin tone and he is found to have pronounced splenomegaly and mild hepatomegaly. Laboratory test reveal pancytopenia, especially show anemia. Microscopic examination of a bone marrow aspirate from this patient revealed parasites in the macrophages.

1. Which of the following pathogens is most likely to have caused his illness?