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PNB 2264 Exam 1 Questions| PNB 2264 Exam I Practice Questions with correct answersPNB 2264 Exam 1 Questions| PNB 2264 Exam I Practice Questions with correct answers What is an example of a saturable transport system? - correct answers-carrier-mediated transport of glucose Based on its degre...

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  • November 7, 2024
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  • 2024/2025
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PNB 2264 Exam 1 Questions| PNB 2264 E
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Whatrwisrwanrwexamplerwofrwarwsaturablerwtransportrwsystem?rw-rwcorrectrwanswers-carrier-
mediatedrwtransportrwofrwglucose

Basedrwonrwitsrwdegreesrwofrwfreedom,rwtherwwristrw(radiocarpalrwjoint)rwisrwclassifiedrwasrwarw________rwjoint.rw-
rwcorrectrwanswers-biaxial



WhichrwonerwfeaturerwisrwNOTrwfoundrwinrwnormalrwadultrwbones?rw-rwcorrectrwanswers-
hyalinerwcartilagerwbetweenrwdiaphysisrwandrwepiphysis

Whatrwfeaturesrwarerwfoundrwinrwnormalrwadultrwbones?rw-rwcorrectrwanswers-
osteoblasts,rwhydroxyapatite,rwosteoclasts,rwhyalinerwcartilagerwcoveringrwarticularrwsurface

Functionsrwofrwtherwskeletalrwsystemrwinclude:rw-rwcorrectrwanswers-
bothrwformingrwbloodrw(hemopoiesis)rwandrwprotection

Whichrwofrwtherwfollowingrwis/arerwexample(s)rwofrwtransportrwsystemsrwthatrwrequirerwATP?rw-
rwcorrectrwanswers-neitherrwofrwtherwabove:rwcarrier-

mediatedrwdiffusionrwofrwglucoserwandrwtransportrwofrwO2rwacrossrwcellrwmembranes

Atrwrest,rwincreasedrwlevelsrwofrwCO2rwinrwtherwbloodrwtriggersrwincreasedrwventilation,rwwhichrwcontinuesrwuntil
rwCO2rwlevelsrwreturnrwtorwnormal.rwThisrwisrwanrwexamplerwofrw________rwcontrol.rwAsrwyourwbeginrwtorwexercise,

rwventilationrwincreasesrwpriorrwtorwanrwincreaserwinrwCO2.rwThisrwisrwanrwexamplerwofrw________rwcontrol.rw-

rwcorrectrwanswers-closedrwlooprwnegativerwfeedback;rwopenrwlooprwfeed-forward



Anatomicalrwfeaturesrwofrwtherwkneerwjointrwincluderw_______.rw-rwcorrectrwanswers-allrwofrwtherwabove:rw

-bursaerwtorwreducerwfrictionrwandrwheatrwbuild-up

-reinforcingrwligaments,rwincludingrwtherwcruciaterwligaments

-meniscirwtorwshaperwtherwtibialrwsurfacesrwtorwbetterrwfitrwtherwfemoralrwcondyles

TrworrwF:rwTherwwristrw(radiocarpal)rwjointrwisrwunablerwtorwrotaterw-rwcorrectrwanswers-true

Whichrwtyperwofrwtissuerwisrwmostrwlikelyrwtorwhaverwtherwfunctionrwofrwtransport?rw-rwcorrectrwanswers-
simplerwsquamousrwepithelium

Therwmajorrwcategoriesrwofrwtissuerware:rw-rwcorrectrwanswers-muscle,rwnervous,rwconnective,rwepithelial

,Whatrwtyperwofrwtissuerwisrwlocatedrwbetweenrwtherwbonesrwinrwarwsynchondrosis?rw-rwcorrectrwanswers-
hyalinerwcartilage

TherwarticulationrwbetweenrwC-1rw(atlas)rwandrwC-
2rw(axis)rwisrwarw________rwjointrwthatrwallowsrwthisrwmovement:rw_________.rw-rwcorrectrwanswers-
pivotrwandrwglinding;rwrotationrwofrwtherwheadrwtorwtherwleftrwandrwrightrw("no"rwmovement)

Chooserwtherwcorrectrwsequencerwdescribingrwtherweventsrwofrwendochondralrwbonerwformationrw-
rwcorrectrwanswers-

cartilagerwcellsrwdie,rwperiostealrwbudrwformation,rwosteoblastsrwsecreterwosteoid,rwsecondaryrwcenterrwofrwossi
fication

Chooserwtherwanswerrwthatrwbestrwillustratesrwhierarchyrwofrworganizationrw-rwcorrectrwanswers--
organsrwarerwmaderwuprwofrwtissuesrwandrwtissuesrwarerwmaderwuprwofrwcells

-tissuesrwarerwmaderwuprwofrwcellsrwandrworgansrwarerwmaderwuprwofrwtissues

Therwperiosteumrwisrwarwsourcerwofrw________.rw-rwcorrectrwanswers-osteoblasts

Functionsrwofrwtherwskinrwinclude:rw-rwcorrectrwanswers-allrwofrwtherwabove:

-defenserw(barrierrwtorwpathogens)

-temprwregulation

-protection

Forrwtherwarticulationsrwbetweenrwmostrw("typical")rwpairsrwofrwvertebrae,rwincludingrwT-1rwwithrwT-
2,rwtherwbodiesrwarerwconnectedrwbyrw_______rwjointsrwandrwtherwsuperiorrwandrwinferiorrwarticularrwfacetsrwonrw
therwarchesrwarerwconnectedrwbyrw_______rwjoints.rw-rwcorrectrwanswers-symphysis;rwgliding

Asrwyourwfullyrwextendrwandrw"lock"rwyourrwknee,rwtherw_______rwrotatesrwonrwtherw_______.rw-
rwcorrectrwanswers-femur;rwtibia



WhichrwisrwNOTrwarwfeaturerwofrwconnectiverwtissue?rw-rwcorrectrwanswers-
polarityrw(apicalrwandrwbasalrwsurfaces)

Whatrwisrwarwfeaturerwofrwconnectiverwtissue?rw-rwcorrectrwanswers-
glycosaminoglycanrwmoleculesrwinrwmatrix,rwcells,rwproteinrwfibers

Anrwabnormallyrwexaggeratedrwthoracicrwcurverwknownrwasrwkyphosisrwcanrwberwcausedrwbyrw_______.rw-
rwcorrectrwanswers-osteoporosis,rwwithrwcompressionrwfracturesrwofrwthoracicrwvertebralrwbodies



NutrientsrwreachrwosteocytesrwinrwHaversianrwsystemsrw(osteons)rwviarw_______rwlocatedrwinrw______.rw-
rwcorrectrwanswers-bloodrwvessels;rwcentralrwcanals



Arwmusclerwattachesrw(originates)rwonrwtherwacromionrwofrwtherwscapula,rwrunsrwoverrwtherwlateralrwaspectrwofrwt
herwshoulderrwjointrwandrwattachesrw(inserts)rwonrwtherwlateralrwaspectrwofrwtherwupperrwhumerus.rwWhichrwacti
onrwdoesrwitrwperform?rw-rwcorrectrwanswers-ABduction

Therwdermisrwofrwtherwskinrwisrwmaderwuprwofrw_______.rw-rwcorrectrwanswers-
areolarrwandrwdenserwirregularrwconnectiverwtissue

, TrworrwF:rwGlidingrwjointsrwarerwtruerwsynovialrwjoints,rwwithrwsynovialrwmembrane,rwandrwsynovialrwfluidrwcontai
nedrwinrwarwjointrwcapsule.rw-rwcorrectrwanswers-true

Whichrwofrwtherwfollowingrwaccuratelyrwdescribesrwanatomicalrwposition?rw-rwcorrectrwanswers-
standingrwwithrwarmsrwbyrwside,rwpalmsrwfacingrwforwardrw(anterior),rwthumbsrwoutrw(lateral)

Considerrwarw2rwchamberrwsystemrwseparaterwbyrwarwwaterrwpermeablerwmembrane.rwChamberrw1rwcontainsrw2
00mlrworrwarw100rwmOsmrwsolution.rwChamberrw2rwcontainsrw200mlrwofrwarw300rwmOsmrwsolution.rwFollowingrwt
herwosmoticrwgradient,rwwaterrwwillrwmoverwfromrw_______rwtorw_______.rwNow,rwassumerwthisrwsystemrwhasrwr
eachedrwequilibrium.rwIsrwthererwstillrwarwnetrwfluxrwofrwwaterrwatrwequilibrium?rw-rwcorrectrwanswers-
chamberrw1rwtorwchamberrw2;rwno

TrworrwF:rwPositiverwfeedbackrwcontrolrwsystemsrwkeeprwconditionsrwinrwtherwbodyrwwithinrwnormalrwlimitsrw-
rwcorrectrwanswers-false



Actionsrwofrwtherwproximalrwandrwdistalrwradioulnarrwjointrware:rw-rwcorrectrwanswers-
pronationrwandrwsupination

Whichrwofrwtherwfollowingrwcorrectlyrwdescribesrwtherwstructurerwofrwskin,rwstartingrwfromrwDermisrwandrwmovin
grwfromrwdeeprwtorwsuperficial?rw-rwcorrectrwanswers-
reticularrwlater,rwpapillaryrwlayer,rwbasalrwlayerrwofrwepidermis,rwdeadrw(kertanized)rwcells

WhichrwofrwtherwfollowingrwisrwNOTrwarwcharacteristicrwofrwwater?rw-rwcorrectrwanswers-
veryrwlittlerwenergyrwisrwrequiredrwtorwchangerwtherwtemprwofrwwater

Whatrwarerwsomerwcharacteristicsrwofrwwater?rw-rwcorrectrwanswers-
arwlotrwofrwenergyrwrequiredrwtorwchangerwtherwtemp,rwitrwisrwpolar,rwitrwcanrwserverwasrwarwlubricatingrwfunction,rw
sincerwitrwisrweffectiverwatrwpreventingrwheatrwbuildup,rwtherwhighrwheatrwofrwvaporizationrwofrwwaterrwaidsrwinrwc
oolingrwtherwbody

Tendonsrwandrwligamentsrwarerwmaderwuprwofrw_______.rw-rwcorrectrwanswers-
denserwregularrwconnectiverwtissue

Whatrwreducesrwfrictionrwandrwheatrwbuild-uprwinrwtherwhiprwjoint?rw-rwcorrectrwanswers-
bothrwsynovialrwfluidrwandrwtherwhyalinerwcartilagerwthatrwmakesrwuprwtherwarticularrwcartilage

Bloodrwcalciumrwlevelsrwarerwregulatedrwbyrwarwcontrolrwsystem.rwArwdecreaserwinrwbloodrwcalciumrwisrw_______r
wthatrwisrwsensedrwbyrw_______rwonrwtherwparathyroidrwgland.rwThisrwactivatesrwa/nrw_______rwinvolvingrwtherws

ecretionrwofrwPTH.rw-rwcorrectrwanswers-arwstimulus;rwreceptors;rwefferentrwpathway

Inrwtherwbody,rw_______rwcontrolrwsystemsrwmaintainrwhomeostasisrwofrwbloodrwcalcium.rw-rwcorrectrwanswers-
closedrwlooprwnegativerwfeedback

Membranerwphospholipidsrwassemblerwintorwarwbilayerrwbecauserwtheyrwarerw_______.rw-rwcorrectrwanswers-
bothrwpolarrwandrwnonpolar

Anatomyrwisrwtherwstudyrwofrwtherw________rwofrworganisms,rwandrwphysiologyrwisrwtherwstudyrwofrwtherw______
__rwofrworganisms.rw-rwcorrectrwanswers-structure;rwfunction

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