HESI A2 LPN EXAM WITH CORRECT QUESTIONS AND ANSWERS

HESI A2 LPN EXAM WITH CORRECT QUESTIONS AND ANSWERS


MitralyValvey-yCORRECTyANSWER-
Liesybetweenyleftyventricley(LV)yandyleftyatriumy(LA)

Chemoreceptoryisystimulatedybyy-yCORRECTyANSWER-
increaseyinyCO2yandydecreaseyinyarterialypH

Howymanyychromosomesyatytheyendyofymeiosis?y-yCORRECTyANSWER-23

Elbowyhasyaysynovialyfluidyprotectingythey-yCORRECTyANSWER-Hingeyjoints

Commonyotitisymediayinytheyeustachianytubeyofykidsy-yCORRECTyANSWER-
becauseytheiryeustachianytubesyareyshorter

"Masterygland"yisythey-yCORRECTyANSWER-pituitary

Whatyproducesyoocytes,yestrogen,y&yprogesterone?y-yCORRECTyANSWER-ovaries

Howymanyydaysyinyaymenstrualycycle?y-yCORRECTyANSWER-28

whatymembraneylinesyexternalyorgans?y-yCORRECTyANSWER-mucousymembrane

whatyisybreathingycontrolledybyy-yCORRECTyANSWER-medullayoblongatayandypons

staticy-yCORRECTyANSWER-standstill

dynamicy-yCORRECTyANSWER-movingyatysameyrate

redybloodycellsy-yCORRECTyANSWER-transportsyhemoglobin

whiteybloodycellsy-yCORRECTyANSWER-fightyinfections

plateletsy-yCORRECTyANSWER-slowybloodyflowy(clotting)

cardiorespiratoryysystemy-yCORRECTyANSWER-removingyunwantedysubstances

circulatoryysystemy-yCORRECTyANSWER-providesyoxygenyandynutrients

respiratoryysystemy-yCORRECTyANSWER-
nose,ysinuses,ypharynx,ylarynx,ytrachea,ylungs,yetc.

nervousysystemy-yCORRECTyANSWER-CNSyandyPNS

sympatheticy-yCORRECTyANSWER-fightyoryflight

,parasympatheticy-yCORRECTyANSWER-normalycondition

neuroendocrineysystemy-yCORRECTyANSWER-thalamusyandyhypothalamus

gastrointestinalysystemy-yCORRECTyANSWER-processesynutrients

urinaryysystemy-yCORRECTyANSWER-kidneys,yureter,ybladder,yurethra,yetc.

musculoskeletalysystemy-yCORRECTyANSWER-
bones,ytendons,ymuscles,yjoints,yligaments,yetc.

3ytypesyofyskiny-yCORRECTyANSWER-epidermis,ydermis,ysubcutaneous

Howymanyybonesyinyskull?y-yCORRECTyANSWER-28y(14yfacial,y14ycranial)

Howymanyybonesyinyverterbralycolumn?y-yCORRECTyANSWER-33

Howymanyyphalanges?y-yCORRECTyANSWER-56

Howymanyypairsyofyribs?y-yCORRECTyANSWER-12

Abdominopelvicy-yCORRECTyANSWER-Cavityycomposedyofytheyabdomenyandypelvis

Absorptiony-yCORRECTyANSWER-
Movementyofynutrientsyfromytheydigestiveytubeytoytheybloodstream

Actiny-yCORRECTyANSWER-ProteinymakingyupytheyIyBandyofytheysarcomere

AminoyAcidy-yCORRECTyANSWER-Theybuildingyblockyofyproteins

Antibodyy-yCORRECTyANSWER-
Specialyproteinsythatyprotectytheybodyyfromyforeignysubstances

ATPy-yCORRECTyANSWER-
AbbreviationyforyAdenosineytriphosphate,ywhichyisytheyenergyyofytheycell.yInymuscles
,ythisyenergyycausesyfilamentsytoyslideytogetherytoyproduceycontraction.

Atriay-yCORRECTyANSWER-Upperychambersyofytheyheart;yreceivesyblood

Bloody-yCORRECTyANSWER-
Consistsyofyapproximatelyy55%yplasmayandy45%yformedyelementsy(erythrocytes,yle
ukocytes,yandyplatelets).yServesytoytransportyoxygenyandynutrientsytoybodyycellsyand
ytoycarryyawayycarbonydioxideyandymetabolicywastes

,Plasmay-yCORRECTyANSWER-
Containsyabouty10%yproteins,yions,ynutrients,ywasteyproducts,yandyhormones,ywhich
yareydissolvedyorysuspendedyinywater.



FormedyElementy-yCORRECTyANSWER-
Erythrocytes,yleukocytes,yandyplatelets;yproducedyfromystemycellsyinyredyboneymarr
ow.

TricuspidyValvey-yCORRECTyANSWER-
Valveyonytheyrightysideyofytheyheartybetweenytheyatriumyandyventricle

BicuspidyValvey-yCORRECTyANSWER-
Valveyonytheyleftysideyofytheyheartybetweenytheyatriumyandyventricle

SemilunaryValvey-yCORRECTyANSWER-
Foundyatytheyentrancesyofytheypulmonaryytrunkyandytheyaorta.

SinoatrialyNodey-yCORRECTyANSWER-Initiatesytheyheart'syintrinsicybeat

Electrocardiogramy-yCORRECTyANSWER-
Measurementyofytheywaveyofyelectricalyactivityywithinytheyheart

Systoley-yCORRECTyANSWER-Contractionyphaseyofytheycardiacycycle

Diastoley-yCORRECTyANSWER-Relaxationyphaseyofytheycardiacycycle

MuscleyContractiony-yCORRECTyANSWER-
Resultsyinytheyslidingytogetheryofyactinyandymyosinyfilamentsywithinytheymuscleycelly
oryfiber

Mitosisy-yCORRECTyANSWER-
Necessaryyforygrowthyandyrepair.yTheyDNAyisyduplicatedyandydistributedytoy2ydaugh
terycells.

Meiosisy-yCORRECTyANSWER-
Specialycellydivisionythatytakesyplaceyinytheygonads.yChromosomeynumberyisyreduced
yfromy46ytoy23ysoywenytheyeggyandytheyspermyuniteyinyfertilizationytheyzygoteywillyha

veytheycorrectynumberyofychromosomes.

Skiny-yCORRECTyANSWER-
Theylargestyorganyinytheybody.yConsistsyofytheyepidermisyandytheydermis.

Epidermisy-yCORRECTyANSWER-
Outer,ymostyprotectiveylayeryofydeadykeratinizedyepithelialycells.yContainyMelanin.ySt
ratumycorneumy-ystratumylucidumy-ystratumygranulosumy-
ystratumygerminativumy(outerylayerytoyinner).

, Dermisy-yCORRECTyANSWER-
Underlyingylayerycomposedyofyfibrousyconnectiveytissueywithybloodyvessels,ynerveye
ndings,yandytheyassociatedyskinystructuresy(hairyfollicles/glands)

Melaniny-yCORRECTyANSWER-
Proteinypigmentythatyprotectsyagainstyradiationyfromytheysun

EccrineyGlandy-yCORRECTyANSWER-
Mostywidelyydistributedysweatyglandsythatyregulateybodyytemperatureybyyreleasingy
aywateryysecretionythatyevaporatesyfromytheysurfaceyofytheyskin

ApocrineyGlandy-yCORRECTyANSWER-
Sweatyglandythatyproduceyaysecretionycontainingycytoplasm.yMainlyyfoundyinytheyar
mpityandygroinyareas.

SebaceousyGlandy-yCORRECTyANSWER-
Releaseyanyoilyysecretionythroughytheyhairyfolliclesythatylubricatesytheyskinyandyprev
entsydrying.yTheseyglandsyareysusceptibleytoybecomingycloggedyandyattractingybacter
ia,yparticularlyyduringyadolescence.

HolocrineySecretiony-yCORRECTyANSWER-
Producesyoil;ywholeycellsyofytheysebaceousyglandyareypartyofythisysecretion

SkeletalySystemy-yCORRECTyANSWER-
Functionsytoysupport,ypermitymovement,yformybloodycellsy(homeopoiesis),yprotectyi
nternalyorgans,ydetoxify,ypointyforymuscleyattachment,ymineralystoragey(particularlyy
phosphorousyandycalcium)

LongyBoney-yCORRECTyANSWER-
Hasyanyirregularyepiphysisyatyeachyend,ycomposedymainlyyofyspongyy(cancellous)ybo
ne.yHasyayshafty(diaphysis)ycomposedyofycompactybone.

Osteoblasty-yCORRECTyANSWER-
Formycompactybone;yOnceybecomingyfixedyintoytheyboneymatrix,ytheyystopydividingy
butycontinueytoymaintainyboneytissueyasyosteocytes

Diaphysisy-yCORRECTyANSWER-Theyshaftycomposedyofycompactybone

Epiphysisy-yCORRECTyANSWER-Endyofyeachybone

AxialySkeletony-yCORRECTyANSWER-
Composedyofy28ybonesyofytheyskully(14yfacialybonesyandy14ybonesyofytheycranium)ya
ndy33ybonesyofytheyvertebralycolumny(7ycervicalyvertebrae,y12ythoracicyvertebrae,y5y
lumbaryvertebrae,y5ysacralyvertebrae,yandytheycoccygealyvertebrae)yandytheybonesyof
ytheythorx,ytheysternumyandythey12ypairsyofyribs