Physiology MCQs

Page No. 12

DOPA and 5 – Hydroxytryptophan are clinically important because______________?


aThey cross Blood Brain Barriers


bThey are acidic precursors of Brain amines


cThey act as neuromodulators


dThey are metabolites of various neurogentic amines



Broca’s area is concerned with______________?


aWord formation


bComprehends language not speaking


cPresent in posterior part of temporal lobe


dIs the confluence of somatic , auditory and visceral areas


View Answer Word formation

Which of the following is not true about axonotmesis ?


aImpairment of both sensory and motor function


bWallerian degeneration


cIntact neural sheath is not present


dReversible loss, which will be regenerated i 6-8 wks



Which of the following coagulation factors is deficient in classical hemophilia ?


aVIII


bIX


cX


dXII


View Answer VIII

Which of the following is one for a patient on coumarin (warfarin) therapy_______________?


aPartial thromboplastin time ( PTT)


bProthrombin time (PT)


cBleeding time (BT)


dCapillary fragility test (CFT)


View Answer Prothrombin time (PT)

Megaloblasts are precursors of_____________?


aMegakaryocytes


bNorm oblasts


cMyelocytes


dMacrocytes


View Answer Norm oblasts

To preserve blood for transfusion later______________?


aDilute with equal volume of 0.9% saline


bAdd solution of sodium citrate


cAdd solution of calcium chloride


dAdd fibrinogen



Histamine is present on surface of_______________?


aLymphocytes


bMast cells


cNeutrophils


dErythrocytes


View Answer Mast cells

The most common problem with blood trans fusion_______________?


aHemolytic reaction


bRemission of disease


cHypokalemia


dMetabolic acidosis


View Answer Hemolytic reaction

The function of vitamin K is______________?


aThrombin formation


bProthrombin formation


cFibrin formation


dThromboplastin formation


View Answer Prothrombin formation

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