DrVirgo
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A 51 year old man has a chronic cough and night sweats. Examination of lymph node tissue obtained on transbronchial biopsy shows nodules containing histiocytes and multinucleated giant cells. The abnormal appearance of these cells is most likely the result of action of which of the following?
A. Fibroblast growth factors on fibroblasts
B. Interferon-Gamma on macrophages
C. IL-1 on macrophages
D. IL-1 on T cells
E. IL-2 on T cells
F. Platelet derived growth factor on fibroblasts
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| rj
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b
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| Ms.Apara
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B
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| sridevibandaru24
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C
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| DrVirgo
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B? TB Granuloma?
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| study_ing
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B.
Interferon gamma is PRODUCED by t cells \activates macrophages
(Induces MHC II expression)
IL I is produced by macrophages
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| study_ing
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so its not c. it is tb
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| sosikan
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what is the correct answer?
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| ndspider
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B homer!
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| DrVirgo
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YES, B for sure! 
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| Addicudo
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B ... IF Gamma ... Respnsible for STIMULATOIN of CELL MEDIATED IMMUNITY .. case given is typical of TB .. !! therefore Cell Mediated Immunity responsible . !
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