1. Which of the following directly inhibits insulin secretion?Alpha2-adrenergic agonistGlucagonBeta2-adrenergic agonistCholecystokininQuestion 1 of 20 2. which of the following does not have a corresponding releasing hormone from the hypothalamusprolactinFSHTSHACTHQuestion 2 of 20 3. vagal stimulation of the heart causesincreases heart rateincreased force of heart contractionincreased R-R interval in ECGincreased cardiac outputQuestion 3 of 20 4. Calcium is pumped back into sarcoplasmic reticulum byRinotidine receptorSodium pumpSERCANoneQuestion 4 of 20 5. regarding transport of substances through the cell membrane all are true exceptglucose is transported via facilitated diffusionfacilitated diffusion requires carrier proteinactive transport is an energy deriven processfacilitated diffusion requires energyQuestion 5 of 20 6. all of the following are involved in the transmission of regulatory signals through the ECF exceptdirect contact through gap junctionG protein coupled receptorssynaptic signals through neurotransmittersendocrine signals through hormonesQuestion 6 of 20 7. the site where myosin heads bind to actin in skeletal muscles are covered bytroponintropomyosincalciumnone of the aboveQuestion 7 of 20 8. Angiotensin II causes all of the following, exceptIncreased ADH secretionVasodilatationAldosterone secretionStimulation of thirstQuestion 8 of 20 9. Hyperthyroid state is characterised byDecreased glycolysisLipolysisIncreased protein synthesisIncreased cholesterolQuestion 9 of 20 10. Spirometry can demonstrate and measure all of the following exceptVital capacityInspiratory reserve capacityResidual volumeTidal volumeQuestion 10 of 20 11. Inhibition of which of the following could be responsible for impotence as a side effect of a medication?OxytocinConversion of DHT to testosteroneNitric oxide synthase (NOS)Forward motility factorQuestion 11 of 20 12. Iron absorption takes place in which part of intestineColonIleumjejunumDuodenumQuestion 12 of 20 13. Stability of alveoli is maintained byLung complianceResidual air in alveolinegative intrapleural pressureIncrease in alveolar surface area by the surfactantQuestion 13 of 20 14. In which portion of the kidney tubule is most water normally reabsorbed?Distal tubulesProximal tubuleCortical collecting ductLoops of HenleQuestion 14 of 20 15. Which of the following hormones is most important in initiating gall bladder contraction?Gastric inhibitory peptide (GIP)Cholecystokinin (CCK)GastrinSecretinQuestion 15 of 20 16. Which of the following has direct innervation from sympathetic system but no parasympathetic supplyHeartskinNoneintestineQuestion 16 of 20 17. Following is given with iron to increase its absorptionAntacidsAlkaliesCitrus fruitsMilkQuestion 17 of 20 18. Glucagon activates which enzymeTrypsinogenPepsinogenAdenylyl cyclaseNoneQuestion 18 of 20 19. hyperaldosteronism is associated with all excepthypernatremiahypertensionmetabolic acidosishypokalemiaQuestion 19 of 20 20. Skilled voluntary movement is initiated atCerebellumCortical associationcerebral cortexBasal gangliaQuestion 20 of 20 Loading...