1. Lesion of ventrolateral spinal cord will show:Loss of proprioception on the same sideLoss of pain and temperature on contralateral sideLoss of proprioception on the contralateral sideLoss of pain and temperature on same sideQuestion 1 of 20 2. Sodium iodine symporter is not present inPlacentaThyroidPituitary glandparotidQuestion 2 of 20 3. during cardiac imaging the phase of minimum motion of heart islate diastolemid systolemid diastolelate systoleQuestion 3 of 20 4. Folic acid deficiency causes:Pernicious anemiaBeri beriThiamineMegaloblastic anemiaQuestion 4 of 20 5. Absolute refractory period of a neuron is:Phase ofhyperpolarizationDuring resting membranePhase ofrepolarizationPhase of depolarizationQuestion 5 of 20 6. A newborn infant has multiple hemorrhages. Clotting studies demonstrate an elevated prothrombin time and elevated INR. An abnormality of which of the following biochemical processes is likely present in this patient?Degradation of cystathionineFormation of gamma-carboxyglutamate residuesConversion of methylmalonyl CoA to succinyl CoAConversion of homocysteine to methionineQuestion 6 of 20 7. appetite is stimulated by all exceptneuropeptide Yagouti related peptidemelanocyte concentrating hormonemelanocyte stimulating hormoneQuestion 7 of 20 8. Pain relief in acupuncture is mediated byKininsEndogenous opioidsPGsSubstance PQuestion 8 of 20 9. Muscle tone is maintained byGolgi tendon organMuscle spindlenone of the aboveRenshaw cellsQuestion 9 of 20 10. baby can breathe even while suckling because ofshort soft palatehigher position of larynxwide and short tonguesmall pharynxQuestion 10 of 20 11. Mechanism of action of Ca2+ in smooth muscle contractionDephosphorylation of myosinActivation of troponinActivation of kinaseActivation of actininQuestion 11 of 20 12. regarding golgi tendon organ true isinvolved in reciprocal innervationsense muscle tensionsenses dynamic length of musclea-motor neuron stimulationQuestion 12 of 20 13. Which of the following lung volumes or capacities cannot be measured directly using simple spirometry?Inspiratory reserve volumeExpiratory reserve volumeFunctional residual capacityTidal volumeQuestion 13 of 20 14. Methemoglobinemia true is:Oxidation of cytochrome oxidaseIncreased oxygen binding capacityAlteration of globin chainsIron is oxidizedQuestion 14 of 20 15. Endorphin release causesnone of the aboveAnalgesiaHyperalgesiaAllodyniaQuestion 15 of 20 16. An increase in the concentration of 2,3 biphosphoglycerate (2,3DPG) may be seen in all of the following exceptHypoxanthineHypoxiaInosineAnemiaQuestion 16 of 20 17. Post tetanic potentiation is due toIncreased availaibilty of Ca2+Rapid Na + influxRapid K+refluxHyperpolarisation of muscle fibresQuestion 17 of 20 18. Stimulating glossopharyngeal afferent fibers that supply the carotid sinus would most likely cause which of the following changes?Hypotension with bradycardiaHypertension with bradycardiaHypertension with tachycardiaHypotension with tachycardiaQuestion 18 of 20 19. Following is given with iron to increase its absorptionMilkAntacidsAlkaliesCitrus fruitsQuestion 19 of 20 20. A middle-aged patient develops acromegaly. Which of the following pair of hormones normally regulates the hormone responsible for the symptoms seen with this disease?LH and hCGDopamine and norepinephrineSomatostatin and GHRHProlactin and FSHQuestion 20 of 20 Loading...