1. the main cause of increases blood flow to exercising muscles isvasodilation due to local metabolitesincreased sympathetic discharge to peripheral vesselsincreased heart rateraised blood pressureQuestion 1 of 20 2. which one of the following is not seen in humansovarian cyclemenstrual cycleendometrial cycleestrous cycleQuestion 2 of 20 3. Korsakoff's psychosis is due to deficiency of vitamin:B3B6B12B1Question 3 of 20 4. Salivary amylase is activated byNa+ClHCO3K+Question 4 of 20 5. a 32 year old high altitude mountaineer is observed to have a hematocrit of 70 percent .which of the following represents the most likely causepolycythemia with high altitude pulmonary edemapolycythemia with increased red cel massrelative polycythemia due to dehydrationpolycythemia due to hemoconcentrationQuestion 5 of 20 6. Auditory area located in which lobe:ParietalTemporalFrontalOccipitalQuestion 6 of 20 7. which of the following is not a primary tastesweetsourchillibitterQuestion 7 of 20 8. Least conduction velocity is seen inVentricular myocardial fibresAV nodeBundle of HissPurkinje fibresQuestion 8 of 20 9. Most abundant plasma protein:HeparinTransferrinGlobulinAlbuminQuestion 9 of 20 10. Speed of conduction is fastest inPurkinje systemAV nodeBundle of HissSA nodeQuestion 10 of 20 11. Stimulating glossopharyngeal afferent fibers that supply the carotid sinus would most likely cause which of the following changes?Hypotension with bradycardiaHypotension with tachycardiaHypertension with tachycardiaHypertension with bradycardiaQuestion 11 of 20 12. low CSF protein may be seen in all of the following conditions exceptinfantspseudotuour cerebrirecurrent lumbar puncturehypothyroidismQuestion 12 of 20 13. oxygen dependent killing is done throughNADPH oxidaseglutathione peroxidasesuperoxide dismutasecatalaseQuestion 13 of 20 14. all of the following are true ablout intestinal motility exceptincreased by cholecystokininincreased by acetylcholinedoes not depend upon gastric motilityincreased by distensionQuestion 14 of 20 15. Bile acids consist of all exceptDeoxycholic addChendeoxycholic acidTaurocholic acidLithocholic acidQuestion 15 of 20 16. During spermatogenesis, crossing over occurs during the meiotic division of which of the following cells?SpermatidsPrimary spermatocytesSecondary spermatocytesSpermatogoniaQuestion 16 of 20 17. All of the following affect resting ventilation exceptPCO2OxygenJ receptorsStretch receptorsQuestion 17 of 20 18. Goblet cells secreteMucusSerotoninHCLpepsinQuestion 18 of 20 19. Bilateral damage to lateral hypothalamus causesHypothermiaHyperthermiaAnorexiaIncreased sexualityQuestion 19 of 20 20. Newborn has inherent mechanism to resist cold weather due to:Non muscle shivering reflexBrown fatGreater body surface weight ratioHigh position of thermal centerQuestion 20 of 20 Loading...