2023 PHTLS Physics Practice Exam With Answers (75 Solved Questions)

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PHTLS Post test 9theditionExamQuestionswith Answers 2023–CompleteSolution

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1/161.Thedisplacementoftissueawayfromthepathofaprojectile,bothtem-porarilyandpermanently,isknownas:A.ConizationB.CavitationC.CrepitationD.Contusion:B.Cavitation2.Thesinglemostimportantfactorindeterminingthepotentialforinjuryduetoenergyexchangeis:A.MassofthebodiesinvolvedB.VelocityofthebodiesinvolvedC.DensityofthetissuesinvolvedD.Surfaceareaoftheimpactinvolved:B.Velocityofthebodiesinvolved3.Inthemanagementofshock,isotoniccrystalloidsolutions,suchasRinger's,arepreferredbecause:A.TheproteinmoleculesincrystalloidsolutionsactasvolumeexpandersB.ThesefluidsdrawinterstitialfluidintothevascularspacetoenhancevolumeC.Thesesolutionswillstayinthevascularspacelongerthanwatersolutions,suchasD5WD.TheirpHenhanceoxygendeliverytothetissues:C.Thesesolutionswillstayinthevascularspacelongerthanwatersolutions,suchasD5W4.Withrespecttothedistanceofafall,whichofthefollowingisaguidelinefordeterminingacriticalfall?A.3timestheheightofthepatientB.2timestheheightofthepatientC.5timestheheightofthepatientD.1½timestheheightofthepatient:A.3timestheheightofthepatient5.Thephaseofanexplosion,orblast,inwhichholloworgansaresqueezedandmayruptureiscalledthephase.A.TertiaryphaseB.QuaternaryphaseC.SecondaryphaseD.Primaryphase:D.Primaryphase

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2/166.Duringtheprimarysurveyandmanagementofatraumapatient,theEinABCDEstandsfor?A.EdemaB.Eyes&earsC.Expose/EnvironmentD.Electricaltherapy:C.Expose/Environment7.Thetimeinwhichsurgicalinterventioncanmakeadifferenceinpatientoutcomeisthe?A.GoldenperiodB.GoldentimeC.GoldeneraD.Goldenminutes:A.Goldenperiod(hour)8.In the absence of extenuating circumstances, the maximum amount oftimeitshouldtaketoidentifyandmanageimmediatethreatstolife,preparethepatientfortransportandbegintransportis?A.5minutesB.10minutesC.15minutesD.30minutes:B.10minutes9.Inwhichofthefollowingsituationsistheuseofashortspinalimmobiliza-tiondeviceindicated?A.28 year old male, unrestrained driver in a frontal impact crash. Awake,asksrepeatedlywhathappened,complainsofaheadache,hasahematomaonhisforehead.BP122/84,HR92,VR20.B.40 year old female who was pushed down a flight of stairs and is lyingproneonthelandingbetweentwoflightsofstairs,complainingofbackpain.BP118/78,HR100,VR20.C.17 year old female, restrained driver in a frontal impact crash. Awake,paleanddiaphoretic,complainsofupperrightquadrantabdominalpain.BP100/70,HR108,VR20.D.Noneoftheabove:D.Noneoftheabove10.Yourpatientisa32yearoldman,restraineddriverofavehiclethathasbeeninvolvedinafrontalimpactwithaconcretebridgeabutment.Thepatientisawake,buthasdifficultyansweringquestionsduetoshortnessofbreath.Hisventilatoryrateis30perminute.Ofthefollowingchoices,when

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3/16isthefirsttimethepatient'sbreathsoundsshouldbechecked?A.AssoonasheisremovedfromthevehicleB.PriortobeingremovedfromthevehicleC.AssoonasheisimmobilizedonalongbackboardD.Enroutetothetraumacenter:B.Priortobeingremovedfromthevehicle11.Whichofthefollowingrepresentsadequatespontaneousventilationinanadult?A.Tidalvolume100mL,ventilatoryrate40/minuteB.Tidalvolume500mL,ventilatoryrate8/minuteC.Tidalvolume300mL,ventilatoryrate16/minuteD.Tidalvolume600mL,ventilatoryrate12/minute:D.Tidalvolume600mL,ventilatoryrate12/minute12.Whichofthefollowingis100%accurateinverifyingendotrachealtubeplacement?A.PulseoximetryB.End-tidalcapnometryC.SyringeaspirationD.Noneoftheabove:D.Noneoftheabove13.Whenutilizingpercutaneoustranstrachealventilation,thecorrectrationoflunginflationtolunginflationtime,inseconds,is:A.1:4B.1:5C.1:2D.2:2:A.1:414.Whichofthefollowingisapossiblecomplicationofusingamanuallytriggeredoxygenpowereddeviceforventilation?A.GastricdistentionB.PneumothoraxC.InabilitytofeellungcomplianceD.Alloftheabove:D.Alloftheabove15.Whichofthefollowingproceduresisconsideredanessentialairwayskill?

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4/16A.NeedlecricothyroidotomyB.EndotrachealintubationC.InsertionofanoropharyngealairwayD.Retrogradeendotrachealintubation:C.Insertionofanoropharyngealairway16.Pericardialtamponadeismostlikelytooccurinwhichofthefollowingsituations?A.StabwoundtothechestB.FallfromaheightC.FrontalimpactvehiclecrashD.Gunshotwoundtothechest:A.Stabwoundtothechest17.Whichofthefollowingisthepreferredsiteforneedledecompressionofatensionpneumothorax?A.4thintercostalspace,midclavicularline,justoverthetopofthe5thribB.4thintercostalspace,midclavicularline,justbelowthe4thribC.2ndintercostalspace,midclavicularline,justovertopofthe3rdribD.2ndintercostalspace,midclavicularline,justbelowthe2ndrib:C.2ndintercostal space,midclavicularline,justovertopofthe3rdrib18.Whichofthefollowingisthemechanismbywhichpulmonarycontusioninterfereswithoxygenation?A.InabilitytogeneratenegativeintrapleuralpressureB.DecreaseinvitalcapacityduetocollapseoftheflailsegmentC.IncreasedintrathoracicpressureD.Bloodandfluidinthealveoliandinterstitialspacesofthelung:D.Bloodandfluidinthealveoliandinterstitialspacesofthelung19.Your patient is a 55 year old male who was struck in the right side of thechestwithapieceofsteelpipe.Hepresentswithuncooperativebehavior,hisskin is pale and moist, the ventilatory rate is 32, there is a weak radial pulseof 112, and breath sounds are decreased on the right side. The trachea ismidlineandjugularveinsareflatwhilethepatientissupine.Thereisisolatedcrepitusoverthe4thand5thribsinthemidaxillarylineonthepatient'srightside.Basedonthemechanismofinjuryandtheassessmentfindings,which of the following is the most likely cause of the patient's signs andsymptoms?A.Tensionpneumothorax

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