PNB 2264 Practice Test - Exam 1 With 100% Correct Answers 2024

PNB 2264 Practice Test - Exam 1 With
100% Correct Answers

Chooseitheianswerithatibestiillustratesihierarchyiofiorganization.
i


A)iBloodilevelsiofiglucoseiareimaintainediwithininarrowilimitsi


B)iOrgansiareimadeiupiofimoleculesianditissuesiareimadeiupiofiorganisys
tems


C)iDiffusionioccursidowniaiconcentrationigradient
i


D)iTissuesiareimadeiupioficellsiandiorgansiareimadeiupiofitissuesi


E)iAlliofitheiabovei-iCorrectiAnswer-D


Theipurposeiofipositiveifeedbackimechanismsiisitoi__________i.
i


A)iCauseiairapidichangeiinitheibody
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B)iAnticipateichangesiinitheienvironment.
i


C)iReturniaivariableitowarditheisetipoint.
i


D)iMaintainiairelativelyiconstantiinternalienvironment.

,i


E)iDetectichangesiinitheiexternalienvironmenti-iCorrectiAnswer-A


Youribodyitemperatureirises,ithisi_________iisisensedibyi_________and
iiniresponseiinformationiisicarriedibyi_________itoiactivateitheisecretio

niofisweat.
i


A)iSetipoint;ireceptors;itheiefferentipathway
i


B)iStimulus;ireceptors;itheiefferentipathway
i


C)iStimulus;itheibrain;itheiafferentipathway
i


D)iSetipoint;ireceptors;ieffectors
i


E)iFeedback;itheibrain;ireceptorsi-iCorrectiAnswer-B


Ifiyouribodyitemperatureidecreases,i________iwillibringiitibackiupiandiifi
youribodyitemperatureiincreases,i________iwillibringiitibackidown.
i


A)iNegativeifeedback;inegativeifeedback
i


B)iPositiveifeedback;ipositiveifeedback
i


C)iNegativeifeedback;ipositiveifeedback
i


D)iPositiveifeedback;inegativeifeedbacki-iCorrectiAnswer-A

, Extracellularifluidiconsistsiof


i


A)iBloodiplasma
i


B)iTheifluidibetweenicells
i


C)iTheifluidiinsideicells
i


D)iBothiAiandiBi-iCorrectiAnswer-D


Theielbowiisi_______itoitheiwrist.
i


A)iLateral
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B)iMedial
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C)iDistal
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D)iProximal
i


E)iDorsali-iCorrectiAnswer-D


Phospholipids,iaimajoricomponentiofitheilipidibilayer,iareiclassifiediasia
mphipathicimoleculesibecause: