The type of muscle present in our (A) heart is involuntary and … · 2020. 1. 7. · lactic acid...

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Q-1-14536803

The type of muscle present in our

(A)heartisinvoluntaryandunstiratedsmooth

(B)intestineisstriatedandinvoluntary

(C)thighisstriatedandvoluntary

(D)upperarmissmoothmuscleandfusiformin

CORRECTANSWER:C

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Q-2-17935284

Nucleus pulposus is

(A)Atypeofspecialcellfoundinmyelinsheathofa

nervecellofvertebrate

(B)Adepressionforpituitaryisfoundinmammalian

(C)AlargenucleusfoundinSchwanncellsofnervefibre

(D)Aremainofembryonicnotochordfoundinthecentral

portionofinter-vertebraldiscsofvertebraeofmammals

CORRECTANSWER:D

Q-3-14536804

Which of the following is the most abundant mineral element in the

skeletal muscle ?

(A)Sodium

(B)Calcium

(C)Potassium

(D)Phosphorous

CORRECTANSWER:C

Q-4-17935304

Vertebral formula for human beings is

C5T12L7S5C3− 5 = 33− 35

C7T12L5S5C3− 5 = 33− 35

CORRECTANSWER:B

SOLUTION:

Cervicalvertebraeare7innumber,thoracic12in

number,lumbar5innumber,sacaral5innumberin

childhoodtheyfuseinadultstoformasinglebone,the

sacrumcoccygralveryfrom3-5innumber.

Q-5-14536856

Cranium of human contains

(A)8bones

(B)14bones

C5T10L5S5C3−5 = 33

C7T10L5S5C3−5 = 33

(C)12bones

(D)20bones.

CORRECTANSWER:A

SOLUTION:

Craniumconsistsof8bones-1frontal,2parietal,2

temporal,1occipital,1sphenoidand1ethmoid.

Q-6-14536811

The functional unit of contractile system in a striated muscle is

(A)sarcomere

(B)Z-band

(C)crossbridges

(D)nyofibril.

CORRECTANSWER:A

SOLUTION:

Sarcomereisthefunctionalunitofmyofibril.Itconstains

twotypesofproteinfilamentscalledactinandmyosin.

Thesefilamentssideuponeachothertobringaboutthe

contractionofthemuscles.

Q-7-17935369

The longest bone of the human body is

(A)Humerus

(B)Tibia

(C)Vertebra

(D)Femur

CORRECTANSWER:D

Q-8-17935326

A vertebra has a convexity both in front and behind it. It is called

(A)Procoelous

(B)Amphicoelous

(C)Acoelous

(D)Amphiplatyon

CORRECTANSWER:C

SOLUTION:

Acoelousmenswithoutcavityoneitherofitsends.Itcan

beamphiplatyonwithbothendsflatsoramphidicondylar

withbothendsconvex.Procoeloushaveanterior

concavity,amphicoeloshasbothsidesconcave.

Q-9-34100638

Out of 'X' pairs of ribs in humans only 'Y' pairs are true ribs. Select

the option that correctly represents values of X and Y and provides

their explanation

(A)X=12,Y=7Trueribsareattacheddoresallyto

vertebralcolumnandventrallyonthesternum.

(B)X=12,Y=5Trueribsareattacheddorsallyto

vertebralcolumnandsternumonthetwoends.

(C)X=24,Y=7Trueribsaredorsallyattachedto

vertebralcolumnbutarefreeonventralside.

(D)X=24,Y=12Trueribsaredorsallyattachedto

vertebralcolumn,butarefreeonventralside.

CORRECTANSWER:A

SOLUTION:

Intheribcage,thetureribsarethosewhichare

attachedtothesternuminthefronandvertebralcolumn

atback.Theseare7innumbers.Althoughthereare

total12ribsintheribcage.The11thand12thribsare

attachedtothevertebralcolumnandkeepfloatinginthe

thoraciccavity,soarecalledfloatingribs.

Q-10-14536830

During muscular contraction, which of the following events occur?

H-zone disappears

(ii) A-band widens

(iii) I-band reduces in width

(iv) Width of A-is unaffected

(v) M-line and Z-lne come closer

(v) M-line and Z-line come closer

(A)(i),(iii),(iv)and(v)

(B)(i),(ii)and(v)

(C)(ii),(iv)and(v)

(D)(i),(ii)and(iii)

CORRECTANSWER:A

SOLUTION:

Musclecontractionisbroughtaboutbyslidingmovement

ofactinfilamentsovermyosinfilaments.Whenamuscle

fibrilcontracts,itaAbandremainconstantandIband

shortens.Hzonealsodisappearsastheactinfilaments

ofbothsidesineachsarcomereoverlapeachotherat

M-line.M-lineandZ-linealsocomecloser.

Q-11-17935327

The last two pairs of ribs are named floating ribs because

(A)Theirsternalpartsareattachedtothesternum

directly

(B)Theirsternalpartsareattachedonthe pairofribs

(C)Theirsternalpartsremainfreeanddonoteven

reachhesternum

(D)Theyfloatinthebodycavity

CORRECTANSWER:C

Q-12-34100689

Total number of bones in the hindlimb of a man is

CORRECTANSWER:B

SOLUTION:

1femur+1fibula+1tibia+1patella+7tarsals+5meta

tarsals+14phalangesmakeonehindlimbofman.Total

of30bones.

Q-13-17935508

ATPase of the type muscle is located in

(A)Actinin

(B)Troponin

(C)Myosin

(D)Actin

CORRECTANSWER:B

Q-14-14536880

Appendicular skeleton includes

(A)girdleandtheirlimbs

(B)vertebrae

(C)skullandvertebralcolumn

(D)ribsandsternum.

CORRECTANSWER:A

SOLUTION:

Theendoskeletonofmammalshavetwomajordivisions:

(i)Axisskeletonthatliesalongthelogitudinalaxisofthe

body.Itsupportandprotectstheorgansofthehead,

neckandtrunk.Itincludesskull,ribs,sternumand

vertebalcolumn.(ii)Appendicularskeleton,whichos

associatedwiththeappendages.itconsistsoftwo

girdles.thepectoralandgirdlesthelimbbones.

Q-15-14536929

Long distance, competitve runners are usually small and wiry and

run more slowly than sprinters, who run much shorter distances and

generally have a loarger bulk of nuscles. Which of the following

best explains the differences between the two types of runners?

(A)Longdistancerunnersrunmoreslowlybecause

lacticacidquicklybuildsupinmuscelsandcauses

fatigue.Sprintersincreasetheoxygensupplytoeach

muscle,enoughforlacticacidtobuildupintheir

muscles.

(B)Thelargemuscelsofsprintersincreasetheoxygen

supplytoeachmuscle,preventinglacticacidfrom

forming.

(C)Sprintersdonotrunforlongenoughforsufficient

lacticacidtobuildupintheirmusclesthereforetheycan

havelargemusclesformorepower.Bybeinglighterand

runningmoreslowlylongdistancerunnersensurethat

theirmusclesreceiveenoughoxygenforaerobic

respiration.

(D)sprintersrunfasterbecausetheirlargemuscleshave

morebloodrunningthroughthemtostopanaerobic

respirationfromtakingplace.Longdistancerunnersrun

moreslowlybecausetheyareusingtheenergyfrom

anaerobicrespiration,whichdoesnotproduceasmuch

ATPasaerobicrespiration.

CORRECTANSWER:C

Q-16-34100677

Which statement is correct for muscle contraction?

(A)LengthofH-zonedecrease

(B)LengthofA-bandremainscontant

(C)Lengthofl-bondincreases

(D)LengthoftwoZ-lineincreases

CORRECTANSWER:B

SOLUTION:

When ionscombinewithtroponintheninCa+

conseqencemusclecontractionwillinitiates.

Duringcontraction,theZ-linescomeclosertogetherand

thesarcomerebecomesshorter.ThelengthofA-band

remainsconstant.I-bandsshortensandH-zonenarrwos.

Q-17-14536844

During muscle contraction, actin and myosin ffrom

(A)actomyosin

(B)actoplasm

(C)plastosine

(D)myoplasm.

CORRECTANSWER:A

Q-18-17935406

Presence of furcula is a characteristic feature of

(A)Frogs

(B)Reptiles

(C)Birds

(D)Mammals

CORRECTANSWER:C

SOLUTION:

TheclavicleandinterclavicleformaV-shapedfurculaor

withboneormerrythoughtinbirds.

Q-19-34100699

Extermities of long bones possess cartilage

(A)calcified

(B)fibrous

(C)elastic

(D)hyaline

CORRECTANSWER:D

SOLUTION:

Hyalinecartilageisthemostabundantcartilage.Itforms

thecushionsorpadsuponthearticularsurfacesatjoints

oflongbones,knownasarticularcartilage.

Itformthecostalcartilageattheventralendsofribsand

alsoheplstoformthenoselarynxtracheabronchiand

bronchialtubes.

Q-20-14536893

Collar bone is known as

(A)scapula

(B)clavicle

(C)pelvicgirdle

(D)chevronbone.

CORRECTANSWER:B

SOLUTION:

Clavicle(collarbone)istheboneofpectoralgirdle.It

articulateswiththeacromionprocessofthescapula.

Q-21-17935301

In the pelvic girdle of man A, B, C, D and E respectively represents

(A)A-pubis,B-acetabulum,C-ilium,D-ischium,E-pubic

symphysis

(B)A-ilium,B-acetabulum,C-pubis,D-ischium,E-pubic

symphysis

(C)A-ischium,B-acetabulum,C-pubis,D-ilium,E-pubic

symphysis

(D)A-ilium,B-pubis,C-acetabulum,D-pubicsymphysis,

E-ischium

CORRECTANSWER:B

Q-22-17935514

Match the followings and mark the correct option

(A)A-ii,B-I,C-iii,D-iv

(B)A-iv,B-iii,C-I,D-ii

(C)A-ii,B-I,C-iv,D-iii

ColumnI ColumnIISternum i. SynovialfluidGlenoidCavity ii. VertebraeFreelymovablejoint iii. PectoralgirdleCartilagenousjoint iv. Flatbones

(D)A-iv,B-I,C-ii,D-iii

CORRECTANSWER:B

Q-23-14536819

Which of the following contractile proteins contributes 55% of

muscle protein by weight?

(A)Tropomyosin

(B)Troponin

(C)Myosin

(D)Actin

CORRECTANSWER:C

SOLUTION:

Myosinconstitutes55%ofmuscleproteinbyweight.The

thickfilamentsconsistsofsixpolypeptidechains,two

identicalheavychainsandfourlightchains.

Q-24-34100687

Tendon is made up of

(A)adiposetissue

(B)modifiedwhitefibroustissue

(C)areolartissue

(D)yellowfibrousconnectivetissue

CORRECTANSWER:B

SOLUTION:

Themodifiedwhitefibrestissueformcordscalled

tendonswhichconnectmuscleswiththebones.

Q-25-17935359

The protein present in the bones is known as

(A)Chondrin

(B)Ossein

(C)Scleroprotein

(D)Globulin

CORRECTANSWER:B

SOLUTION:

Theproteinpresentintheboneisknownasossein.

Whichactivatetheboneformation.

Q-26-14536839

The slow twitch muscle fibre which are rich in myoglobin and have

abundant mitochondria are

(A)whiteskeletalmuscles

(B)cardiacmuscles

(C)redskeletanmuscles

(D)involuntarymuscles.

CORRECTANSWER:C

SOLUTION:

Musclecontianaredcolouredpigmentcalledmyoglobin

thatstoresoxygen.Somemuscleshavehighcontentof

myoglobinwhichgivesthemreddishappearance.Such

musclearecalledredmuscles.Suchmuscles.Such

muscleshaveabundantmitrochondriaandshowslow

rateofcontractionforlongpriodsthat'swhytheyare

calledslowtwitchmuslces.

Q-27-17935370

Olecranon fossa is present over

(A)Scapula

(B)Ulna

(C)Radius

(D)Humerus

CORRECTANSWER:D

SOLUTION:

Humerusistheboneofupperarm.Itarticulateswith

ulnaofforearm.Twodepressionjustabovetrochleaon

anterioraspectarecoronoidfossaandradialfossa

respectivelyreceivescoronoidprocessofulnaandhead

ofradius.Onelargedepressionontheposterioraspect

isolecranonfossareceivesolecranonprocessofulnain

extentionofelbow.

Q-28-17935354

In rabbit radius and ulna are

(A)Completelyfusedtogether

(B)Completelyseparated

(C)Fusedinmiddleandseparatedatboththeends

(D)Separatedbutunitedatboththeends

CORRECTANSWER:D

SOLUTION:

Inrabbit,radiusandulnaareseparatebonesbutthey

arejoinedatbothendsbyligaments.

Q-29-14536799

Passage of ova through female reproductive tract is facilitated by

(A)ciliarymovement

(B)amoeboidmovement

(C)flagellarmovement

(D)cyclosis.

CORRECTANSWER:A

SOLUTION:

Therearethreemaintypesofmovementsshownbythe

cellsofthehumanbody,viz.,amoeboied,ciliaryand

muscular.Theciliaofthefallopiantubes(oviducts)show

movementfortransportofovainsidethereproductive

tract.

Q-30-34100667

Which one of the following is correct pairing of a body part with

the kind of muscle tissue present in it ?

(A)Hearwall Involuntaryunstriated

(B)Bicepsofupperarm Smoothmusclefibres

(C)Abdominalwall Smoothmuscle

(D)lris involuntarysmoothmuscle

CORRECTANSWER:D

SOLUTION:

Smoothmusclesareplain,non-striated,involuntaryor

unstriopedmusclesduetotheabsenceofstriations.

Theseoccurinthewallsofhollowinternalorgansin

capsulesoflymphglands,spleenetcinirisandciliary

bodyofeyesskindermis,penisadnotheraccessory

genitalia,etc.

Q-31-17935294

The skull of a bird is

(A)Dicondylic

(B)Monocondylic

(C)Amphicondylic

(D)Noneofthese

CORRECTANSWER:B

SOLUTION:

sinceithasasingleoccipitalcondyle.

Q-32-34100645

Lack of relaxation between successive stimuli in striated muscle

contraction is known as

(A)fatigue

(B)tetanus

(C)tonus

(D)spasm

CORRECTANSWER:B

SOLUTION:

Sustainedmusclecontractionduetorepeatedstimulus

isknowastetanus.Thisresultsduetomusclefatigue.

Q-33-14536796

Microfilaments are involed in

(A)amoebiodmovement

(B)ciliarymovement

(C)muscularmovement

(D)both(a)and(b)

CORRECTANSWER:A

Q-34-17935344

Tongue bone is

(A)Hyoidbone

(B)Maxillary

(C)Dentary

(D)Quadrato-jugal

CORRECTANSWER:A

SOLUTION:

Hyoidboneisattachedwiththesomemusclesofthe

tongueandfloorofthemounth.

Q-35-14536917

Which of the following is/are not correctly matched pairs?

(i) Ball and socket joint -Between humerus and pectoral girdle

(ii) Pivot joint - Between carpal and metacarpal

(iii) Saddle joint - Between atlas and axis

(iv) Gliding joint - Between the carpals

(v) Fibrous joint - In flat skull bones

(A)(ii)and(iii)

(B)(i)and(iv)

(C)(v)only

(D)(ii)only

CORRECTANSWER:A

SOLUTION:

Pivotjoint-betweenatlasandaxis.

Saddlejoint-betweencarpalandmetacarpal.

Q-36-34100672

Acromion process is characteristacally found in

the_______________of mammals.

(A)pelvicgirdleofmammals

(B)pectoralgirdleofmammals

(C)skulloffrog

(D)spermofmammals

CORRECTANSWER:B

SOLUTION:

Anacormionprocessisfoundinpectoralgirdleof

mammals.Pectoralgirdleconsistsofasharpridege,the

spineandatriangularbody.Theendofthespine

projectsasaflattenedandexpandedprocesscalled

acromion.

Q-37-14536836

In a muscle undergoes rapid contraction and relaxation, the

sarcoplasmic reticulum extension

(A)requiresconstantplugginginandoutof

(B)rapidlysynthesisemyosin

(C)doesnotrequireenergyallofthese.

(D)allofthese

CORRECTANSWER:A

SOLUTION:

Sacoplasmicreticulumofmusclecellsstore ions.

Duringcontractingofmuscle, ionsarereleased

fromsarcolasmicreticulumtosarcoplasmandviceversa

occursduringrelaxationitrequiresconstantpluggingin

andoutof ionsfromsarcoplasmicreticulum.

Ca ∧ (2 + )

Q-38-34100676

What will happen if ligments are cut or broken?

(A)Boneswillmovefreelyatjoints

(B)Nomovementatjoint

(C)Bonewillbecomeunfix

(D)Bonewillbecomefixed

CORRECTANSWER:C

SOLUTION:

Ligamentsarespecialisedconnectivetissueswhich

connectbonestogetherhenceiftheyarecutorbroken

thebonewillbecomeunfixed.

Q-39-14536859

Smallest bone in human system is

(A)stapes

(B)patella

(C)malleus

(D)incus.

CORRECTANSWER:A

SOLUTION:

Stapes,oneoftheearossicles,isthesmallestbonein

humanbody.

Q-40-34100691

The lower jaw in mammals is made up of

(A)mandible

(B)dentary

(C)maxilla

(D)angulars

CORRECTANSWER:B

SOLUTION:

Dentaryistoothbearingmembraneboneoflowerjawof

thevertebrates-oneoneachside.

Q-41-34100695

Which is part of pectoral girdle ?

(A)Glenoidcavity

(B)Sternum

(C)lleum

(D)Acetabulum

CORRECTANSWER:A

SOLUTION:

Acavityknownglenoidcavityispresentatthetipof

scapulaandcoracoidprocess,forarticulationofheadof

humerus,Pectoralgirdleconsistsofamembranous

bonecalledcalledclavicleandalargereplacingbone

calledshoulderbladeorscapulacoracoid.

Q-42-14536921

Limbalances of certain hormones, deficiencies of calcium and

vitamin D are the major causative factors of

(A)rheumatoidarthritis

(B)osteoporosis

(C)osteoarthritis

(D)goutyarthritis.

CORRECTANSWER:B

SOLUTION:

Osteoporosisisadiseaseofboneinwhichbonemineral

density(BMD)isreduced,structureofbonegets

disrupted,theamountandvarietyofnon-collagenous

proteinsinboneischangedandthechancesoffracture

increaes.Itiscausedbydeficiencyofcalcium,vitamin

D,estrogenandandrogenandincreasedlevelof

glucocorticoid,thyroidparathyroidhormones.

Q-43-17935443

____ acts as a shock absorber to cushion when tibia and femur came

together

(A)Ligament

(B)Cartilage

(C)Tendon

(D)Disc

CORRECTANSWER:A

SOLUTION:

Ligmentsconnectsthetwobonestogetherandactsasa

shockabsorbertocushionwhentibiaandfemurcame

together.

Q-44-17935418

Old people are, more liable to fracture of their bones because

(A)Bonesbecomesoftandelastic

(B)Bonesbecomehardandbrittle

(C)Bonescontainlargequantityoforganicmatter

(D)Noneoftheabove

CORRECTANSWER:B

Q-45-34100656

The H-zone in the skeletal muscle fibre is due to

(A)theabsenceofmyofibrilsinthecentralportionofA-

(B)thecentralgapbetweenmyosinfilamentsintheA-

(C)thecentralgapbetweenactinfilamentsextending

throughmyosinfilamentsintheA-band

(D)extensionofmyosinfilamentsinthecentralportion

oftheA-band

CORRECTANSWER:C

SOLUTION:

H-zoneinskeletalmuscleisduetothecentralgap

betweenactinfilamentsextendingthroughmyosin

filamentsintheA-band.Alternatearrangeranceofdark

andlightbandsgivesthestriatedappearancetoa

skeletalmuscle.AtthecentreofA-bandacomparatively

lessdarkzonecalledH-zoneispresent.IntheofH-

zone,M-lineispresentformedbythethreatsthat

connectthemyofilaments.

Q-46-14536851

In the resting muscle fibre, tropomysin partially covers

(A)calciumbindingsitesontroponin

(B)actinbindingsitesonmyosis

(C)muyosinbindingsitesonactin

(D)calciumbindingsitesonactin.

CORRECTANSWER:C

SOLUTION:

Whenthemuscleisatrest,thetropomyosinmolecule

coversthebindingsiteoftheactinmoleculewhere

interactionwithmyosinoccurs.

Q-47-17935437

Which of the following joints would allow no movement

(A)Cartilaginousjoint

(B)Synovialjoint

(C)Ballandsocketjoint

(D)Fibrousjoint

CORRECTANSWER:D

Q-48-34100664

Select the correct statement regarding the specific disorder of

musclular or skeletal system.

(A)Musculardystrophy-Agerelatedshorteningof

muscles

(B)Osteoporsis-Decreaseinbonemassandhigher

chancesoffractureswithadvancingage

(C)Myastheniagravis-Autoimmunedisorderwhich

inhibitsslidingofmyosinfilaments

(D)Gout-lnflammationofjointduetoextradepositionof

calcium,

CORRECTANSWER:B

SOLUTION:

Osteoporsisisrelateddiseaseinwhichbonesloose

mineralsandfibresfromthematrixcausingdecrased

bonemassandhigherchancesoffractureswith

advancingage.Majorcausativefactorsofosteoporsis

areimbalanceofhormoneslikecalcitoninofthyroid,

parathromoneofparathyroidssexhormonesand

deficienciesofcalciumandvitamins.Thediseasemay

beclassifiedasprimarytype1primarytype2or

seconndary.

Theformofosteoporosismostcommoninwonmenafter

menopauseisreferredtoasprimarytype1or

postmenopausalosteoperosis.

Secondaryosteoporosismayariseatanyageandaffect

menandwomenequally.

Q-49-14536898

A cricket player is fast chasing ball in the field.Which one of the

following group of bones is directly contributing in this movement ?

(A)Femur,malleus,tbia,metatarsals

(B)Pelvis,incus,petella,tarsal

(C)Sternum,femur,tibia,fibula

(D)Tarsal,femur,metatarsals,tibia

CORRECTANSWER:D

SOLUTION:

Trasals,femur,metatarsalsandtibiaarebonesofthe

legswhichareinvolvedinrunningduringchasingthe

ballbyacricketplayer.

Q-50-17935553

Assertion: Locomotion in Hydra is carried out by two types of

contractile cells.

Reason: Muscle fibres are lacking in Hydra.

(A)Ifboththeassertionandthereasonaretrueand

reasonisacorrectexplanationoftheassertion

(B)Ifboththeassertioinandreasonaretruebutthe

reasonisnotacorrectexplanationoftheassertion.

(C)Iftheassertionistruebutthereasonisfalse

(D)Ifboththeassertionandreasonarefalse

CORRECTANSWER:A

SOLUTION:

AsmusclefibresarelackinginHydra,theanimaluses

twotypesofcontractilecellsforthispurpose.Processes

ofthesecellsruninthebodywallbothalongthelong

axisofthebodyandarroundthecentralbodycavity.

Contractionandreleaxationofthesecellsrespectively.

shortenandelongatetheseprocesses.They

consequentlycausealltypesofmovementofHydra

includingshortening,elongationandalsobendingof

bodyandtentacularmovementLocomotioniscarriedout

bysomersaultslooping.

Q-51-14536847

If a stimulus, several times greater than the threshold stimulus, is

provided to a musclw fibre, it will

(A)contractwithalargerforce

(B)contractwitasmallerforce

(C)contractwiththesameforce

(D)undergotetany.

CORRECTANSWER:C

SOLUTION:

Amusclefibrewouldcontractonlywhenitreceivesa

stimilationofcertainintensitycalledthresholstimulus.

Responesofamusclefibretoasitmulusisnot

proportionatewillalwayscontractwiththemaximum

forceirrespectiveofthestrenghtofthestimulus.

Q-52-14536942

Which one of the following is not a disorder of bone ?

(A)Arthrists

(B)Osteoporosis

(C)Rickets

(D)Atherosclerosis

CORRECTANSWER:D

SOLUTION:

Atheroscleriosisisadiorderofcirculatorysystem.

Q-53-17935357

Patella, the knee cap is the example of

(A)Cartilagegland

(B)Replacingbone

(C)Sesamoidbone

(D)Noneoftheabove

CORRECTANSWER:C

SOLUTION:

Patellaisthesmallboneinkneejointbetweenfemur

andtibia.Itisasesamoidbonedevelopedinthetendon

ofquadricepsferrorismuscle.

Q-54-34100653

Which of the following is not a functioin of the skeletal system

(A)Productionoferythrocytes

(B)Storageofminerals

(C)Productionofbodyheat

(D)Locomotion

CORRECTANSWER:C

SOLUTION:

Productionofbodyheatisthefunctionofmuscles.The

contractionofmuscleproduceheta,whichkeepsthe

bodywarmduringthewinters.

Q-55-10761366

Which of the following muscular disorders is inherited?

(A)Botulism

(B)Tetany

(C)Musculardystrophy

(D)Myastheniagravis

CORRECTANSWER:C

Q-56-17935530

The Paget's disease is caused by

(A)ProlongeddeficiencyofvitaminDinadults

(B)Abnormalboneresortionbyabnormalosteoclasts

(C)Excesssalkalinephosphatase

(D)Excessproductionandabnormalorganizationof

collagen

CORRECTANSWER:B

Q-57-17935338

Which of the following is unpaired bone

(A)Premaxilla

(B)Pro-otics

(C)Sphenethmoid

(D)Pterygoid

CORRECTANSWER:C

SOLUTION:

Thecranialsegmentisalsocartilaginousistadpole

larva,butlater,mostofitchangesintoatubularbone

calledsphenethmoid.

Q-58-14536852

Ends of long bones are covered with

(A)bloodcells

(B)muscles

(C)cartilages

(D)ligaments.

CORRECTANSWER:C

SOLUTION:

Hyalinecartilageispresentattheendoflongbones,

Hylinecartilageconsistsofclear,largeamountof

translucent,slightlyelasticmatrixwithlessfibres.

Q-59-17935311

Sella turcica is a

(A)Coveringofkidney

(B)Coveringoftestis

(C)Depressioninbrain

(D)Depressioninskullwhichlodgesthepituitarybody

CORRECTANSWER:D

SOLUTION:

SellaturcicaorTurkishsaddle'isadepressioninthe

floorofthemammalianskullinthesphenoid(Basi

sphenoid)boneinwhichthepitutarybodyislodged.

Q-60-14536865

The cervical vertebra called axis provids head with sideways

rotation. This can be because

(A)Itisarticulatedtoskullthroughoccipitalcondyles

(B)itisfusedwith vertebraatlas

(C)itisjoinedthroughelasticpadsoffibrocartilagewith

othervertebrae,whichprovidemobility

(D)itcontainsodontoidprocessthatfitsintothe

odontoidcanalofatlas.

CORRECTANSWER:D

SOLUTION:

Axis(secondcervicalvertebra)hasapeglikeprocess

calledodontoidprocessthatfirstintoodontoidcanalof

atlas(firstcervicalvertebra).

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