1. Which of the following hormones is most important in the initiation of gallbladder contraction following a fatty meal?GastrinSecretinCCKGIPQuestion 1 of 20 2. Which of the following is a microfilamentActinTubulinDesminVimentinQuestion 2 of 20 3. Absolute refractory period of a neuron is:Phase of depolarizationPhase ofhyperpolarizationDuring resting membranePhase ofrepolarizationQuestion 3 of 20 4. normal anion gap is (in mEq/l)25 to 3010 to 1218 to 203 to 5Question 4 of 20 5. all are second messengers eceptIP3DAGcAMPguanyl cycliseQuestion 5 of 20 6. life span of RBC is3 years100 days14 days1 yearQuestion 6 of 20 7. A type 1 diabetic is noncompliant with his required insulin therapy and develops hyperglycemia. The release of which of the following intestinal hormones would be stimulated?Gastic inhibitory peptide (GIP)MotilinGastrinSecretinQuestion 7 of 20 8. orthopnea in heart failure develops due toreservior function f pulmonary veinsreservior function of pulmonary arteriesreservior function of leg arteriesreservior function of leg veinsQuestion 8 of 20 9. Which of the following is most important for maintaining adequate cardiac output early in the course of exercise?Increased stroke volumeDecreased cardiac indexIncreased heart rateDecreased diastolic blood pressureQuestion 9 of 20 10. bile acid pool circulatestwice between meals10 times per day on fasting4 times per meal8 times per dayQuestion 10 of 20 11. Endorphin release causesAllodynianone of the aboveHyperalgesiaAnalgesiaQuestion 11 of 20 12. Cerebral perfusion pressure isArterial pressure minus intracranial pressureArterial pressue x venous pressureVenous pressure minus arterial pressureArterial pressure minus peripheral venous pressureQuestion 12 of 20 13. Pernicious anemia is caused by deficiency of:RiboflavinCobalamineIronThiamineQuestion 13 of 20 14. G protein coupled receptorM2NMDA receptorInsulin receptorsSteroidQuestion 14 of 20 15. in lewis triple response, redness when skin is scratched with a pointed object is seen due toendothelial damage leading to increase in permeabilityfree nerve endingsaxon reflex causin vasoconstrictionhistamine release due to local injury to mast cellsQuestion 15 of 20 16. Which of the following parameters is expected to increase in response to a 50% reduction in sodium intake for a 2-month period?Arterial pressureRenin releaseAtrial natriuretic peptide releaseExtracellular fluid volumeQuestion 16 of 20 17. Reciprocal inhibition isRelaxation both agonist and antagonistsContraction of antagonist with relaxation of agonistContraction of agonist with relaxation of antagonistContraction of both agonist and antagonistQuestion 17 of 20 18. The oxygen-hemoglobin dissociation curve shifts to the left under which of the following circumstances?Increased temperatureIncreased 2,3-diphosphoglycerate (2,3-DPG) D. Increased PCO2Decreased pHCarbon monoxide poisoningQuestion 18 of 20 19. Aspirin reduces fever and cause anticoagulation by inhibiting which of the following pathways?CyclogenasePhospholipase A2ProstacyclinLipoxygenaseQuestion 19 of 20 20. during cardiac imaging the phase of minimum motion of heart ismid systolemid diastolelate diastolelate systoleQuestion 20 of 20 Loading...
