Which of the following is most characteristic feature of acute inflammation? A. Vasodilatation and increased vascular permeability B. Margination of leukocytes C. Vasoconstriction D. Vascular stasis Correct answer
Which of the following enzymes are responsible for generating ‘oxygen burst’ within neutrophils for killing intracellular bacteria? A. Superoxide dismutase B. Glutathione peroxidase C. Oxidase D. Catalase Correct
All of the following enzymes may contribute in generating free oxygen radicals within neutrophils for killing intracellular bacteria except? A. Superoxide dismutase B. Fenton’s reaction C. NADPH oxidase
Which of the following organelles plays a pivotal role in Apoptosis? A. Mitochondria B. Endoplasmic Reticulum C. Nucleus D. Golgi Apparatus Correct answer : A. Mitochondria Apoptosis can
Vitamin K is involved in the post translational modification of? A. Glutamate B. Aspartate C. Proline D. Lysine Correct answer : A. Glutamate Vitamin K is involved in
A 20 year old man presented with hemorrhagic colitis. The stool sample grew Escherichia coli in pure culture. The following serotype of E.coli is likely to be the
The blood in the vessels normally does not clot because: A. Vitamin K antagonists are present in plasma B. Thrombin has a positive feedback on plasminogen C. Sodium
Splenic macrophages in Gaucher’s disease differ from those in ceroid histiocytosis by staining positive for A. Lipids B. Phosphlipids C. Acid fast stain D. Iron Answer : ??
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