1. Which of the following is a microfilamentTubulinDesminVimentinActinQuestion 1 of 20 2. microvilli in the intestine helps to counteract viral infection byincreasing absorptionforming immunoglobulinsincrease in cell surface areaincrease th eno f receptorsQuestion 2 of 20 3. all of the following oropharyngeal functions are involuntary exceptspeechgaggingrespirationtongue positionQuestion 3 of 20 4. Which of the following is most likely to relieve the symptoms caused by hyperventilation?Breathing a 10% oxygen/90% nitrogen mixtureIntravenous administration of bicarbonateBreathing in and out of a plastic bagBreathing 100% nitrogenQuestion 4 of 20 5. Which is not an extrapyramidal tractTectospinal tractReticulospinal tractCorticospinal tractRubrospinal tractQuestion 5 of 20 6. normal pH of stomach is4 to 57 to 7.28 to 911 to 12Question 6 of 20 7. Vitamin deficiency seen in Carcinoid syndrome:NiacinThiamine deficiencyRiboflavinVitamin KQuestion 7 of 20 8. When all sensation below a particular level of body is lost, it is termed:NeuralgiaMyopathyNeuropathyMyelopathyQuestion 8 of 20 9. Calcitriol helps maintain calcium level in blood in associate with:CalcitoninProtein kinase CParathyroid hormoneCalmodulinQuestion 9 of 20 10. Physical examination of a woman with advanced, metastatic lung cancer demonstrates hyperpigmentation of skin, even in areas protected from the sun. ACTH levels are found to be elevated. Tumor inducement of which endocrine organ is most likely?Endocrine pancreasAdrenal glandThyroid glandPituitary glandQuestion 10 of 20 11. Bile acids are reabsorbed fromIleumProximal jejunumDuodenumDistal jejunumQuestion 11 of 20 12. Wernicke's encephalopathy is due to deficiency of:Nicotinic acidRiboflavinPantothenic acidThiamineQuestion 12 of 20 13. Keratomalacia caused by deficiency of VitaminDACB1Question 13 of 20 14. maximum water reabsorption in the GIT occurs incolonstomachileumjejunumQuestion 14 of 20 15. Resting membrane potential of a nerve is due to:NaClKHC03Question 15 of 20 16. Which of the following is most important for maintaining adequate cardiac output early in the course of exercise?Decreased diastolic blood pressureIncreased stroke volumeIncreased heart rateDecreased cardiac indexQuestion 16 of 20 17. First heart sound caused by:Mitral valve closureAortic valve closureTricuspid valve closureBoth mitral and tricuspid valve closureQuestion 17 of 20 18. Nonfunctioning of complement component C36 would be expected to interfere with which of the following biologic functions?Increased collagen synthesis by fibroblastsFeverDecreased appetiteOpsonization to facilitate phagocytosisQuestion 18 of 20 19. Two particles have same diameter. The one which will pass easily through glomerular membrane hasnegative chargeCharge has no relationAny of the abovePositive chargeQuestion 19 of 20 20. Which of the following is a chemoreceptor?OsmoreceptorsMerkel's discRods and conesHair cellsQuestion 20 of 20 Loading...