Physiology MCQ Questions — Page 939

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8443 Physiology

A patient with mild congestive hea failure is treated with high-dose furosemide and diuresis 3 liters of fluid.A complete blood count (CBC) taken before the diuresis shows an RBC count of 4 million/mm3; a CBC taken after diuresis shows a RBC count of 7 million/mm3. Which of the following is the most likely explanation?

ACyanotic hea disease

BIncreased erythropoietin

CPolycythemia vera

DRelative polycythemia

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8444 Physiology

The primary function of basal ganglia is

APreprogramming of voluntary activity

BControl of equilibrium

CSensory integration

DShort term memory

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8445 Physiology

Body clock is maintained by –

ASuprachiasmatic nucleus

BSupraoptic nucleus

CVentrolateral nucleus

DThalamus

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8446 Physiology

The acrosome reaction occurs, when the sperm

AEnters the uterine cavity

BComes in contact with zona pellucida

CPenetrates corona radiata

DPenetrates cell membrane of oocyte

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8447 Physiology

Increased BMR is associated with ?

AIncreased body fat store

BIncreased glycognenesis

CIncreased glycolysis

DIncreased lipogenesis

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8448 Physiology

Resting membrane potential depends mainly on

AK

BNa

CCl

DHCO3

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8449 Physiology

All are true about the hemolytic disease of newborn except

AHaemolytic anaemia

BHydrops foetallis

CKernicterus

DAnti - Rh agglutinins are of IgM type

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8450 Physiology

All are Neuroglial cells in the CNS except: September 2008

AOligodendrocytes

BMicroglia

CAstrocytes

DKupffer cells

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8451 Physiology

Orthodromic conduction is

AAn axon can conduct impulse in one direction only

BAn axon can conduct impulse in both direction

CThe jumping of depolarization from node to node

DThe point at which a runaway spike potential occurs

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