1. The oxygen-hemoglobin dissociation curve shifts to the left under which of the following circumstances?Carbon monoxide poisoningIncreased 2,3-diphosphoglycerate (2,3-DPG) D. Increased PCO2Increased temperatureDecreased pHQuestion 1 of 20 2. Which of the following is found in the respiratory zone of the lung?Type I epithelial cellsGoblet cellsMain bronchiMucous cellsQuestion 2 of 20 3. A decrease in which of the following is the most likely cause of peripheral edema in a patient with long-term alcoholism and liver disease?Interstitial colloid osmotic pressurePlasma colloid osmotic pressureCapillary hydrostatic pressureInterstitial hydrostatic pressureQuestion 3 of 20 4. Goblet cells secretepepsinHCLSerotoninMucusQuestion 4 of 20 5. GLUT2 is present mainly inSkeletal musclePlacentaCardiac muscleBeta cells of pancreasQuestion 5 of 20 6. Demyelination occurs due to deficiency of:NiacinThiaminePyridoxineCyanocobalamineQuestion 6 of 20 7. Caisson diseaseFat embolismAmniotic fluid embolismTumor embolismGas embolismQuestion 7 of 20 8. maximum phosphate is reabsorbed inDCTCollecting ductLoop of henlePCTQuestion 8 of 20 9. GnRH is aAminePeptidenoneSteroidQuestion 9 of 20 10. Chemoreceptors are located in which areaBifurcation of carotid arteryArch of aortaMedullaAll of the aboveQuestion 10 of 20 11. Stimulating glossopharyngeal afferent fibers that supply the carotid sinus would most likely cause which of the following changes?Hypertension with bradycardiaHypotension with tachycardiaHypotension with bradycardiaHypertension with tachycardiaQuestion 11 of 20 12. True about G protein coupled receptorsG protein is bound to GTP in resting stateG proteins act as inhibitory and excitatory because of difference in alpha subunitG proteins bind to hormones on cell surfaceAll the three subunits: alpha,beta and gamma should bind to each other for G protein to actQuestion 12 of 20 13. difference between stem cells and progenitor cells isstem cells are only present in bone marrowprogenitor cells cant differentiate further while stem cells canmeiosis is seen in stem cellsstem cells can form all hematogenous cell lineages while progenitor cells cannotQuestion 13 of 20 14. Disease of which of the following structures would most likely cause a large difference in blood pressure between a patient's legs and arms?Aortic valveDescending aortaLeft ventricleLeft atriumQuestion 14 of 20 15. A decrease in which of the following parameters would tend to increase the glomerular capillary hydrostatic pressure?Efferent arteriolar resistanceBowman's capsular hydrostatic pressureAfferent arteriolar resistanceCapillary filtration coefficientQuestion 15 of 20 16. What substance allows platelet adhesion to exposed collagen fibers following surgery?Factor IXFibronectinFactor VIIIVon Willebrand factorQuestion 16 of 20 17. Negative intrapleural pressure is due toNegative intraalveolar pressurePresence of cartilage in upper airwayUniform disribution of surfactant over alveoliLymphatic drainage of pleuraQuestion 17 of 20 18. site of RBC formation in a healthy 20 year old male isliveryolk sacflat boneslong bonesQuestion 18 of 20 19. Which decreases secretion of both insulin and glucagonIncreased blood glucoseSomatostatinEpinephrinenoneQuestion 19 of 20 20. Nissl's bodies located intracytoplasmic are inSkeletal musclePerikaryon of neuronCardiac msucleSmooth muscleQuestion 20 of 20 Loading...