1. Defect in DNA repair mechanism is associated with:AlbinismXeroderma pigmentosumMosaicismIcthyosisQuestion 1 of 20 2. Non phagocytic cells involved in immunity causes lysis of viral infective cells and tumour cells:T lymphocyteMacrophageNon sense cellNK cellsQuestion 2 of 20 3. Extrahepatic cholestasis causes:Increased urobilinogen in urineIncreased bilirubin in urineincrease bilirubin in both urine and serumIncreased urobilinogen in serumQuestion 3 of 20 4. Tissue with white cheesy appearance seen in tuberculosis:Caseous necrosisHyaline degenerationCoagulative necrosisApoptosisQuestion 4 of 20 5. Acute infection causes:MonocytosisNeutropeniaLeucopeniaLeucocytosisQuestion 5 of 20 6. A patient with male androgenic characters and a genetic makeup with 2X and more than 1 Y chromosome would have:Aperts syndromeKlinefelter syndromeTurners syndromeDowns syndromeQuestion 6 of 20 7. All of the following immunohistochemical markers are positive in the neoplastic cells of granulocytic sarcoma, EXCEPT:MyeloperoxidaseLysozymeCD 45 ROC 43Question 7 of 20 8. Following are functions of prostaglandins except:Increase capillary permeabilityElevates blood pressureLowers blood pressureUterine contractionQuestion 8 of 20 9. Which of the following epithelial changes commonly signify precancerous:ParakeratosisAcanthosisHyperkeratosisDyskeratosisQuestion 9 of 20 10. Hypothyroidism in children causes:MyxedemaAcromegalyGigantismCretinismQuestion 10 of 20 11. All of the following tissues regenerate, except:BoneIntestinal mucosaLiverStriated muscleQuestion 11 of 20 12. Which of the following represents the most common source of pulmonary embolism:LymphangitisThrombophlebitisEsophageal varicesEndarteritisQuestion 12 of 20 13. Interferons act against virus during:Protein synthesisViral penetration of cellsDNA/RNA replicationRemoval of viral coatQuestion 13 of 20 14. Which of the following is seen in OsteoporosisIncreased serum calciumDecreased serum Alkaline phosphataseDecreased serum phosphorusNormal serum calcium and phosphorusQuestion 14 of 20 15. All of the following statements are true regarding reversible cell injury, except -Detachment of ribosomes from the granular endoplasmic reticulum.Formation of blebs in the plasma membrane.Formation of amorphous densities in the mitochondrial matrix.Diminished generation of adenosine triphosphate (ATP).Question 15 of 20 16. Jaundice refers to yellow discoloration of the skin, sclera, and tissues caused by:HyperbilirubinemiaHyperlipidemiaHypercaicemiaHyperglycemiaQuestion 16 of 20 17. A mother donated a kidney to her daughter, what type of graft is itXenograftAllograftIsograftAutograftQuestion 17 of 20 18. IL-1 & TNF are released byPlasma cellsLymphocytesActivated MacrophagesPlateletsQuestion 18 of 20 19. Which of the following characteristics is the most reliable indicator of prognosis of malignant tumors?Size of the tumorThe degree of localizationAbnormal mitosesThe degree of differentiationQuestion 19 of 20 20. Interleukin-1 and tumor necrosis factor in inflammation are produced by which of the following?LymphocytesPlateletsActivated macrophagesMast cellsQuestion 20 of 20 Loading...