1. Speed of conduction is fastest inBundle of HissSA nodePurkinje systemAV nodeQuestion 1 of 20 2. Receptor for inverse Stretch reflexIntrafusal fibersExtrafusal fibersMuscle spindleGolgi tendon organQuestion 2 of 20 3. Transaminase reaction requires: FADTPPNADPyridoxal phosphateQuestion 3 of 20 4. All are true about reticular activating system exceptRecieves collateral from all sensory pathwayInvolved in arousalProduces alpha block on EEGPolysynaptic pathwayQuestion 4 of 20 5. What role do the lungs play in the pathogenesis of systemic hypertension?The alveolar capillaries contain antidiuretic hormone (ADH)The alveolar capillaries contain aldosteroneThe alveolar capillaries contain angiotensin-converting enzyme (ACE)The type II pneumocytes contain aldosteroneQuestion 5 of 20 6. Function of myenteric plexus is to regulateMotilityLocal blood flowGI secretionAll of the aboveQuestion 6 of 20 7. Windkessel effect in large arteries perform what functionprovide peripheral resistancePrevent fluctuation in BPMaintain intravascular volumeExchange of respiratory gasesQuestion 7 of 20 8. Which of these substance is secreted by beta cells of pancreas along with insulinAmylinsomatostatinGlucagon like peptidepancreatic polypeptideQuestion 8 of 20 9. Goblet cells secreteMucuspepsinSerotoninHCLQuestion 9 of 20 10. Calcium absorption is hampered byPhytatesLactoseacidProteinQuestion 10 of 20 11. Disease of which of the following structures would most likely cause a large difference in blood pressure between a patient's legs and arms?Left ventricleDescending aortaLeft atriumAortic valveQuestion 11 of 20 12. clearance test for creatinine measuresearly loss of renal functionconcentrating abilityglomerular filtration ratetubular secretionQuestion 12 of 20 13. Negative intrapleural pressure is due toLymphatic drainage of pleuraUniform disribution of surfactant over alveoliPresence of cartilage in upper airwayNegative intraalveolar pressureQuestion 13 of 20 14. When all sensation below a particular level of body is lost, it is termed:MyelopathyMyopathyNeuralgiaNeuropathyQuestion 14 of 20 15. Inner plexus in GIT ismucosal plexusMyentric plexussubmucosal plexusAuerbach plexusQuestion 15 of 20 16. Maintenance of the corpus luteum during the first trimester of pregnancy is accomplished principally by the secretion offollicle stimulating hormone (FSH)luteinizing hormone (LH)antidiuretic hormone (ADH)human chorionic gonadotropin (hCG)Question 16 of 20 17. Inhibition of which of the following could be responsible for impotence as a side effect of a medication?OxytocinForward motility factorNitric oxide synthase (NOS)Conversion of DHT to testosteroneQuestion 17 of 20 18. The first reflex to return after recovery from spinal shock isStretch reflexStepping reflexFlexor reflexPostural antigravity reflexQuestion 18 of 20 19. Which of the following is most likely to be decreased during resting conditions for a patient that has been severely anemic (Hb = 6.0 g/dL) for several months?Cardiac outputArterial PO2Mixed venous PO22,3-diphosphoglycerateQuestion 19 of 20 20. interference with oxygen exchange in lungs is a type ofhypoxic hyoxiaanoxic anoxiaanoxemiahistotoxic hypoxiaQuestion 20 of 20 Loading...