1. Lab investigation of choice for checking extrinsic pathway:Bleeding timeProthrombin timeActivated partial thromboplastin timeClotting timeQuestion 1 of 20 2. Homogeneous, eosinophilic glassy change in H and E stain indicates:Fat depositionFibrinoid degenerationHyalinizationNecrosisQuestion 2 of 20 3. All of the following tissues regenerate, except:Striated muscleLiverIntestinal mucosaBoneQuestion 3 of 20 4. Caseating granuloma is commonly seen inTuberculosisAmoebiasisViral infectionsTyphoidQuestion 4 of 20 5. Platelet aggregation and vasoconstriction caused by:Leukotriene B4PGD2PGI2Thromboxane A2Question 5 of 20 6. Which one of the listed statements is the best histologic definition of an abscess?A circumscribed collection of neutrophils with necrotic cellular debrisAn aggregate of two or more activated macrophagesA localized defect that results from the sloughing of necrotic inflammatory tissue from the surface of an organA localized proliferation of fibroblasts and small blood vesselsQuestion 6 of 20 7. Each of the following is a risk factor in atherosclerosis EXCEPT one.Which one is this EXCEPTION?AlcoholismDiabetes mellitusHypertensionHeredityQuestion 7 of 20 8. Quincke sign seen in Aortic regurgitation is:Head movement with pulsePistol shot sound over femoral arteryCyclic Erythema and pale appearance on pressing nail bed.Prominent dorsalis pedisQuestion 8 of 20 9. Chronic bronchitis is primarily a disease of:Patients with a family history of allergyCigarette smokersAlcoholicsMinersQuestion 9 of 20 10. Amyloidosis is commonly associated withPeriostitisChronic osteomyelitisAcute osteomyelitisMultiple myelomaQuestion 10 of 20 11. Risk of spontaneous bleed occurs at platelet level of:< 10,0001.5- 2.5 lakhs20,000-50,0003.5-4.5 lakhsQuestion 11 of 20 12. Most potent stimulator of naive T cells is:Follicular dendritic cellsMacrophageEpithelial cellsImmature dendritic cellsQuestion 12 of 20 13. Hay fever and allergies to certain foods are examples of:Cell-mediated or delayed hypersensitivity reactionsAntibody-dependent cytotoxic hypersensitivity reactionsAtopic allergiesImmune complex-mediated hypersensitivity reactionsQuestion 13 of 20 14. Bradykinin causes all the following exceptSmooth muscle contractionDilatation of blood vesselsPainOpsonisationQuestion 14 of 20 15. Which of the following is a neoplasm derived from all three germ cell layers?APUDomaSarcomaTeratomaCarcinomaQuestion 15 of 20 16. Fibrin degradation products help in detection ofThrombastheniaDICThrombocytopenic purpuraHemophiliaQuestion 16 of 20 17. Which of the following bone malignancies is most fatal:OsteosarcomaGiant cell tumorMultiple myelomaPagets diseaseQuestion 17 of 20 18. All of the following vascular changes are observed in acute inflammation, except -Increased vascular permeability.Stasis of blood.Vasodilation.Decreased hydrostatic pressure.Question 18 of 20 19. In granulomatous inflammation epitheloid and giant cells are derived from:Monocyte-macrophagesB cellsPlasma cellsT cellsQuestion 19 of 20 20. Generalized edema is known as:HydropericardiumAnasarcaAscitesHydrothoraxQuestion 20 of 20 Loading...