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