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Old 02-12-2012
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Blood Drug Induced Thrombocytopenia not Autoimmune

A 25-year old woman who has been taking an unknown drug for 3 weeks is having a very heavy menstrual period. Petechiae are present on her legs and she is anemic. Platelet count is 3000/mm3. Which of the following findings indicates that her thrombocytopenia is a result of toxic suppression of platelet production by the drug instead of an autoimmune disorder?

A. Decreased numbers of megakaryocytes in the bone marrow
B. Enlargement of the spleen
C. Failure to respond to platelet transfusions
D. Giant platelets n a peripheral blood smear
E. A positive antiglobulin test.
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A---


cos in an autoimmune problem you'v have an increase in precursors

while as in drugs.. ud decrease the bone marrow production

Last edited by mbbs2010; 02-12-2012 at 02:07 PM.
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Quote:
Originally Posted by mbbs2010 View Post
A---


cos in an autoimmune problem you'v have an increase in precursors

while as in drugs.. ud decrease the bone marrow production
Yeah, yeah, yeah... the rest of the options are talking about an immune problem... "A" it is...
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well I think a
from which Q bank u get your questions??
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Originally Posted by rose View Post
well I think a
from which Q bank u get your questions??
this is nbme form 5.
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Hematology-, Immunology-, Pharmacology-, Step-1-Questions

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