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.Management Sciences
Category: Inflammation, Immunity And Hypersensitivity
Caseating granuloma is commonly seen in____________?
A. Viral infections
B. Tuberculosis
C. Tyhoid
D. Amoebiasis
The following chemical mediator is a product of arachidonic acid metabolite by cyclo oxygenase pathway____________?
A. LxA4
B. LxB4
C. 5-HETE
D. PGH2
VIRCHOW’s cells are seen in___________?
A. Lepromatous leprosy
B. Tuberculoid leprosy
C. Borderline lepromatous leprosy
D. Intermediate leprosy
The vasoactive amine that causes vasodilatation released during inflammation is found in which of the cell______________?
A. Plasma cells
B. Lymphocytes
C. Monocytes
D. Mast cells
All of the following about prostaglandins and leukotriene are correct except________________?
A. Arachidonic acid is metabolized to form prostaglandins and leukotrienes
B. COX-1 is inducible in many tissues
C. COX is induced by cytokines at the site of inflammation
D. Leukotrienes cause bronchoconstriction
All of the following vascular changes are observed in acute inflammation except_____________?
A. Vasodilation
B. Stasis of blood
C. Increased vascular permeability
D. Decreased hydrostatic pressure
Bradykinin causes all the following except____________?
A. Smooth muscle contraction
B. Dilatation of blood vessels
C. Pain
D. Opsonisation
Prostaglandins are synthesized from______________?
A. RNA template
B. Rough endoplasmic reticulum
C. Polyunsaturated fatty acids
D. None of the above
Epitheloid cells are seen in all of the following except______________?
A. Tuberculosis
B. Granulation tissue
C. Syphilis
D. Sarcoidosis
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