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

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dThey are metabolites of various neurogentic amines

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Broca’s area is concerned with______________?


aWord formation

✓


bComprehends language not speaking

✖


cPresent in posterior part of temporal lobe

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dIs the confluence of somatic , auditory and visceral areas

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View Answer Word formation

Which of the following is not true about axonotmesis ?


aImpairment of both sensory and motor function

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bWallerian degeneration

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cIntact neural sheath is not present

✓


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

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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)

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bProthrombin time (PT)

✓


cBleeding time (BT)

✖


dCapillary fragility test (CFT)

✖


View Answer Prothrombin time (PT)

Megaloblasts are precursors of_____________?


aMegakaryocytes

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bNorm oblasts

✓


cMyelocytes

✖


dMacrocytes

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View Answer Norm oblasts

To preserve blood for transfusion later______________?


aDilute with equal volume of 0.9% saline

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bAdd solution of sodium citrate

✓


cAdd solution of calcium chloride

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dAdd fibrinogen

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Histamine is present on surface of_______________?


aLymphocytes

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bMast cells

✓


cNeutrophils

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dErythrocytes

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View Answer Mast cells

The most common problem with blood trans fusion_______________?


aHemolytic reaction

✓


bRemission of disease

✖


cHypokalemia

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dMetabolic acidosis

✖


View Answer Hemolytic reaction

The function of vitamin K is______________?


aThrombin formation

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bProthrombin formation

✓


cFibrin formation

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dThromboplastin formation

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View Answer Prothrombin formation

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