1. In granulomatous inflammation epitheloid and giant cells are derived from:Monocyte-macrophagesT cellsB cellsPlasma cellsQuestion 1 of 20 2. IL-1 helps in:Decreases fibroblast and bone resorption activityInhibits the chemotaxis of neutrophils and macrophagesStimulation of T-lymphocytesInhibition of B-lymphocytesQuestion 2 of 20 3. Emphysema is associated with:Genetic factorsPollutantsCigarette smokingAIl of the aboveQuestion 3 of 20 4. Effusion in TB is characterized by:Few cells,High glucoseProtein >3 gm/dLEffusion LDH/Serum LDH= < 0.6Question 4 of 20 5. Mutation seen in heterozygous sickle cell anemia provides protection against:ThalassemiaDengue feverG6PDMalariaQuestion 5 of 20 6. All of the following statements are true regarding reversible cell injury, except -Formation of blebs in the plasma membrane.Formation of amorphous densities in the mitochondrial matrix.Diminished generation of adenosine triphosphate (ATP).Detachment of ribosomes from the granular endoplasmic reticulum.Question 6 of 20 7. Interferons act against virus during:DNA/RNA replicationRemoval of viral coatViral penetration of cellsProtein synthesisQuestion 7 of 20 8. Cytokines are soluble proteins secreted by which of the following cells?All of the aboveFibroblastsMacrophagesLymphocytesQuestion 8 of 20 9. An injection of a drug into a patient who is allergic to this drug may lead to death due to:Severe anaphylaxisHyperglobulinemiaLocalized anaphylaxisLow levels of histamineQuestion 9 of 20 10. Transudate is characterized by:Low protein contentTendency to clotSpecific gravity of above 1.018Associated inflammatory conditionsQuestion 10 of 20 11. Which of the following is seen in OsteoporosisNormal serum calcium and phosphorusIncreased serum calciumDecreased serum phosphorusDecreased serum Alkaline phosphataseQuestion 11 of 20 12. Monocytes are increased in all except:TuberculosisParasitic infectionHodgkin's lymphomaHairy cell leukemiaQuestion 12 of 20 13. All of the following are characteristic of an exudate, except:Low specific gravityGlucose-poorCell-richProtein-richQuestion 13 of 20 14. Anaphylotoxins:All of the aboveCause enhanced capillary permeabilityInduce smooth muscle contractionProduce inflammationQuestion 14 of 20 15. All of the following statements concerning serotonin are true, except:It is synthesized from the amino acid arginineIt is present in the brainIt is widely considered to be a neurotransmitterIt is believed to play a role in temperature regulation, in sensory perception and in the onset of sleepQuestion 15 of 20 16. T-lymphocytes play primary role inLymphokine production and delayed hypersensitiyityActivation of complementAntibiotic productionImmediate hypersensitivityQuestion 16 of 20 17. Insulin resistant DM:Type IType IIJuvenile onsetAll DM are sensitive to insulinQuestion 17 of 20 18. Extrahepatic cholestasis causes:Increased urobilinogen in serumIncreased urobilinogen in urineIncreased bilirubin in urineincrease bilirubin in both urine and serumQuestion 18 of 20 19. Which of the following tumors is of connective tissue origin?MelanomaMyxomaCarcinomaAdenomaQuestion 19 of 20 20. Tachycardia, nervousness, intolerance to heat and exophthalmos are seen inHypoparathyroidismHypothyroidismHyperparathyroidismHyperthyroidismQuestion 20 of 20 Loading...