1. Most diffusible ion across membraneNa +K +NoneCl -Question 1 of 20 2. Function of myenteric plexus is to regulateGI secretionAll of the aboveMotilityLocal blood flowQuestion 2 of 20 3. all of the following are involved in rapid axonal transport exceptlysosomesneurofilamentskinesindynesinQuestion 3 of 20 4. Muscle spindle detects:Change in muscle postureChange in muscle positionChange in muscle toneChange in muscle lengthQuestion 4 of 20 5. An increase in which of the following best explains the mechanism by which the cardiac output increases in severe anemia?Blood viscosityPeripheral vascular resistanceArteriolar diameterSplanchnic blood flowQuestion 5 of 20 6. Which of the following characteristics is similar for spermatogenesis and oogenesis?Length of prophase IAge at which meiosis beginsDNA replication during meiosisAmount of cytoplasm retainedQuestion 6 of 20 7. intrinsic factor of castle is secreted by which of the following cells in gastric glandschief cellsparietal cellsB cellsenterochromaffin cellsQuestion 7 of 20 8. Where are the body's temperature regulation centers located?MidbrainHypothalamusMedullaPonsQuestion 8 of 20 9. Bile acids are reabsorbed fromDistal jejunumProximal jejunumIleumDuodenumQuestion 9 of 20 10. Acrosome reaction is seen inFertilisationOogenesisSpermatogenesismenstruationQuestion 10 of 20 11. Abnormal keratinization of skin is a sign of deficiency ofvitamin Avitamin Dvitamin Cvitamin B1Question 11 of 20 12. Affinity of haemoglobin at normal pH is:Affinity change with changing pHMore for carbonmonoxide than oxygenEqual for carbonmonoxide and oxygenMore for carbon dioxide than oxygenQuestion 12 of 20 13. Mechanism of action of Ca2+ in smooth muscle contractionDephosphorylation of myosinActivation of actininActivation of troponinActivation of kinaseQuestion 13 of 20 14. heart muscles ,all are true excepthas branchinghas gap junctionact as synicitiumhas multiple nucleiQuestion 14 of 20 15. all of the following oropharyngeal functions are involuntary exceptspeechgaggingrespirationtongue positionQuestion 15 of 20 16. Pernicious anemia is caused by deficiency of:ThiamineRiboflavinIronCobalamineQuestion 16 of 20 17. Skilled voluntary movement is initiated atBasal gangliaCortical associationcerebral cortexCerebellumQuestion 17 of 20 18. All are true about reticular activating system exceptPolysynaptic pathwayRecieves collateral from all sensory pathwayInvolved in arousalProduces alpha block on EEGQuestion 18 of 20 19. the main cause of increases blood flow to exercising muscles israised blood pressureincreased heart rateincreased sympathetic discharge to peripheral vesselsvasodilation due to local metabolitesQuestion 19 of 20 20. Best test for GFR is withInulinCreatinineHippuric acidPAHQuestion 20 of 20 Loading...