Test bank for Davis Advantage for Pathophysiology I
b b b b b b b
ntroductory Concepts and Clinical Perspectives
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bThebMarketplacebtobBuybandbSellbyourbStudybMaterial
Chapter 1, The Cell in Health and Illness
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MultiplebChoice
Identifybthebchoicebthatbbestbcompletesbthebstatementborbanswersbthebquestion.
b 1.b Whichbstatementbregardingbthebsodium–potassiumbpumpbisbcorrect?
1. Thebcell’sbplasmabmembranebisbmorebsolublebtobsodiumbionsbthanbpotassiumbions.
2. Thebconcentrationbofbsodiumbionsbshouldbbebhigherbinsidebthebcellbcompartment.
3. Thebconcentrationbofbpotassiumbionsbshouldbbebhigherboutsidebthebcellbc
ompartment.
4. Thebactivebtransportbinvolvesbpumpingboutbthreebsodiumbionsbandbpumpingbinbtwo
potassiumbions.
b
2.bInbthebabsencebofboxygen,bwhichbcellularbfunctionbcreatesbthebsamebamountbofbenergybasbisbcreatedb
inbthebpresencebofboxygen?
1. Dissipationbofbpyruvicbacid
2. Initiationbofbthebcitricbacidbcycle
3. Activationbofbacetyl-coenzymebA
4. Creationbofbacidosisbviablacticbacid
b 3.b Howbmanybadenosinebtriphosphatesb(ATPs)barebproducedbinbaerobicbenergybmetabolism?
1.bbb 2
2.bbb 3
3.bbb 34
4.bbb 53
b 4.b Whichbcellborganellesbdifferbinbtheirbnumberbaccordingbtobthebcell’sbenergybneeds?
1. Ribosomes
2. Mitochondria
3. Ribonucleicbacids
4. Deoxyribonucleicbacids
b 5.b Whichboptionbbestbsupportsbthebreasonbmorebenergybisbproducedbwhenbabpersonbisbexercising?
1. Exercisebcausesbanbincreasebinbthebsynthesisbofbprotein.
2. Therebisbanbincreasebinbthebproductionbofbpyruvicbacidbinbthebcells.
3. Thebconversionbofbpyruvicbacidbtoblacticbacidbisbincreasedbbybexercise.
4. Musclebcellsbhavebmorebmitochondriabtobmeetbenergybdemands.
b 6.b Whenbdoesbribosomalbproteinbsynthesisbcease?
1. Duringbendoplasmicbreticulumbstress
2. Duringbthebsynthesisbofbadenosinebtriphosphateb(ATP)
3. Duringbabseverebhypoxicbstate
4. Duringbthebprocessingbofbprohormone
b 7.b Whichbcellularborganellesbarebresponsiblebforbpropellingbmucusbandbinhaledbdebrisboutbofbtheblungs?
1. Cilia
2. Microfilaments
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3. Secretorybvesicles
4. Endoplasmicbreticula
b 8.b Whichbarebthebkeybproteinsbinbthebcontractilebunitsbofbthebmusclebcells?
1. Actinbandbmyosin
2. Prohormonebandbtubulin
3. Tubulinbandbactin
4. Myosinbandbprohormone
b 9.bbbWhichbdeficiencybcausesbTay–Sachsbdisease?
1. Proteasome
2. Peroxisome
3. Macrophage
4. Lysosomalbenzymes
b bb 10.b Whichbisbabcharacteristicbofbadrenoleukodystrophy?
1. Accumulationbofbganglioside
2. Cessationbofbribosomalbproteinbsynthesis
3. Accelerationbofbcellularbproteasomebactivity
4. Accumulationbofblong-chainbfattybacidsbinbthebnervousbsystem
b bbb 11.b Whichbstatementbregardingbendoplasmicbreticulumb(ER)bstressbisbcorrect?
1. DuringbERbstress,bproteinsbarebrapidlybdegraded.
2. DuringbERbstress,blipidsbcannotbtravelbtobtheirbproperbintracellularblocations.
3. DuringbERbstress,blong-chainbfattybacidsbaccumulatebinbthebnervousbsystem.
4. DuringbERbstress,bnondegradedbsubstancesbaccumulatebinbthebcells.
b
bb 12.b Abclientbisbdiagnosedbwithbtypeb1bdiabetesbmellitus.bAtbabcellularblevel,bwhichbfunctionbisblikelybt
obbebinvolved?
1. Inabilitybofbribosomesbtobproducebabspecificbtypebofbprotein
2. IncorrectbprocessingbofbabproteinbbybthebGolgibapparatus
3. Stagnationbofbabpreviouslybdynamicbactionbinbmicrotubules
4. Obstructionbofbthebsmoothbendoplasmicbreticulum
b
bb 13.b Abnewbornbpatientbexhibitsbcharacteristicsbofbseverebphysicalbdeformities.bWhichbcellularbcomp
onentbisbexaminedbtobdeterminebthebcausebandbprobabilitybofbthebdiseasebbeingbgeneticallybtransferred?
1. TransferbRNA
2. RibosomalbRNA
3. DoublebhelixbofbDNA
4. MitochondrialbDNA
b
bb 14.b Abhikerbexperiencesbmusclebpainbandbacidosisbwhilebascendingbabmountainbduringbablong,b
steepbclimb.bWhichbisbthebreasonbforbthesebmanifestations?
1. Cellularbhypoxia
2. Autolysis
3. Heterolysis
4. Cellularbedema
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b bb 15.b WhichbfactorbprovidesbDNAbthebuniquebmolecularbabilitybtobreplicate?
1. Thebpairingbofbnitrogenousbbases
2. Thebpresencebofbpyrimidinebbases
3. Thebpresencebofbnucleotides
4. Thebnitrogenousbbasebandbphosphatebbond
b bb 16.b Howbmanybnitrogenousbbasesbcomposebabsinglebcodon?
1.bbb 2
2.bbb 3
3.bbb 4
4.bbb 5
b bb 17.b WhichbcomponentsbformbthebstructurebofbDNA?
1. Nucleotides
2. Aminobacids
3. Fattybacids
4. Phosphates
b bb 18.b Whichbfactorbisbessentialbinborderbforbproteinbsynthesisbtoboccur?
1. Free-standingbribosomesbwithinbthebcell
2. ProteinbblueprintbfrombthebcellbofbthebDNA
3. Specificbinformationbfrombthebnucleusbofbthebcell
4. TransferbRNAbtobmovebthebproteinboutbofbthebcell
b
bb 19.b Tetracyclinebantibioticbisbprescribedbforbanbadultbclientbwithbchlamydiabinfection.bWhichbi
sbthebmechanismbofbactionbofbthebdrug?
1. Itbpreventsbthebreplicationbofbbacteria.
2. Itbaltersbthebconfigurationbofbbacterialbcytoplasm.
3. Itbinterferesbwithbthebfunctionbofbbacterialbribosomes.
4. Itbinhibitsbthebfunctionsbofbbacterialbmitochondria.
b bb 20.b Wherebdoesbthebconversionbofbabprohormonebintobabhormonebtakebplace?
1. Inbthebribosomes
2. InbthebGolgibapparatus
3. Inbthebsecretorybgranules
4. Inbthebendoplasmicbreticulum
b bb 21.b Whichbisbthebcell’sb“masterbmind”?
1. Nucleus
2. Ribosome
3. Golgibapparatus
4. Endoplasmicbreticulum
MultiplebResponse
Identifyboneborbmorebchoicesbthatbbestbcompletebthebstatementborbanswerbthebquestion.
b bb 22.b Whichbstatementsbregardingbthebmicrotubulesbarebtrue?bSelectballbthatbapply.
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