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123915 Biochemistry

TRUE about vitamin K is

AIt is required for synthesis of factor VIII
BLong term use of antimicrobials can cause deficiency of vitamin K
CIt is a water soluble vitamin
DDVT is associated with vitamin K deficiency
Biochemistry
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123919 Medicine

A one year old boy presented with hepatosplenomegaly and delayed milestones. The liver biopsy and bone marrow biopsy revealed presence of histiocytes with PAS-positive Diastase-resistant material in the cytoplasm. Electron-microscopic examination of these histiocytes is most likely to reveal the presence of-

ABirbeck granules in the cytoplasm
BMyelin figures in the cytoplasm
CParallel rays of tubular structures in lysosomes
DElectron dense deposit in the mitochondria
Medicine
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