new_n_lost
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A 14-year-old girl with a high fever and sore throat presents to the emergency room. A complete blood count with differential implies the presence of a viral infection. Which of the following best describes the cells that indicate a viral etiology to her illness?
A. They are basophilic with spherical dark-stained nuclei
B. They are precursors of osteoclasts and liver Kupffer cells
C. They contain a peripheral hyalomere and central granulomere
D. They have azurophilic granules and multi-lobed nuclei
E. They remain in the circulation approximately 120 day
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| rock
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A ?(not sure about this one)
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| mytime
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D gaint cell?
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| jole
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D-natural killer cells?
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| new_n_lost
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FORUM RULES-- Those who believe in telekinesis, raise my hand. I get enough exercise just by pushing my luck --P4U World.." The pure and simple truth is rarely pure and never simple."
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| mytime
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 then sud be C coz" no know what it means.....big bhaiya........"  though B hmmmmmmmmm oseteoclasts incresed oHHHHHHHHHHHHHHHH
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| new_n_lost
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Guys Cmon Its a Viral Inf Which Cell Count Shud Be Increased ???
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| me007
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viral infection - lymphocytes incr
a - ?
b - macrophages, bcs Kupfer cells are
c - platelets - central granulomere
d - neutrophils
e - RBC.
i actually not sure, but bcs not any other -a??
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| new_n_lost
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Yup Me007 Bang On Target WE will have to adapt to this way of thinking Choosing by Exclusion.
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| mytime
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| chemamr
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A? lymphos
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| jole
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Cool
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| new_n_lost
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The correct answer is A.
This question is really asking you two things. First, it tests whether you know that lymphocytosis is associated with viral infection. Second, it tests your knowledge of lymphocytes' histological appearance. Note that these cells are generally small and normally constitute 25%-33% of leukocytes. Two types of lymphocytes have been distinguished: T cells (involved in cell-mediated immunity) and B cells (involved in humoral immunity).
Monocytes are precursors of osteoclasts and liver Kupffer cells (choice B) and also give rise to tissue macrophages and alveolar macrophages. Histiocytes in Connective Tissue, Langerhans Cells in Skin, Microglia in brain n Dendritic Antigen presenting cells
Platelets contain a peripheral hyalomere and central granulomere (choice C).
Neutrophils have azurophilic granules and multi-lobed nuclei (choice D). They increase in number in response to bacterial infection.
Erythrocytes remain in the circulation for about 120 days (choice E)
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FORUM RULES-- Those who believe in telekinesis, raise my hand. I get enough exercise just by pushing my luck --P4U World.." The pure and simple truth is rarely pure and never simple."
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