Test bank for Davis Advantage for Pathophysiology Int
h h h h h h h
roductory Concepts and Clinical Perspectives
h h h h
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Chapter 1, The Cell in Health and Illness
h h h h h h h
MultiplehChoice
Identifyhthehchoicehthathbesthcompleteshthehstatementhorhanswershthehquestion.
1. Whichhstatementhregardinghthehsodium–potassiumhpumphishcorrect?
1. Thehcell’shplasmahmembranehishmorehsolublehtohsodiumhionshthanhpotassiumhions.
2. Thehconcentrationhofhsodiumhionshshouldhbehhigherhinsidehthehcellhcompartment.
3. Thehconcentrationhofhpotassiumhionshshouldhbehhigherhoutsidehthehcellh
compartment.
4. Thehactivehtransporthinvolveshpumpinghouththreehsodiumhionshandhpumpinghinhtwo
potassiumhions.
2. Inhthehabsencehofhoxygen,hwhichhcellularhfunctionhcreateshthehsamehamounthofhenergyhashishcreatedhinht
hehpresencehofhoxygen?
1. Dissipationhofhpyruvichacid
2. Initiationhofhthehcitrichacidhcycle
3. Activationhofhacetyl-coenzymehA
4. Creationhofhacidosishviahlactichacid
3. Howhmanyhadenosinehtriphosphatesh(ATPs)harehproducedhinhaerobichenergyhmetabolism?
1.h h 2
2.h h 3
3.h h 34
4.h h 53
4. Whichhcellhorganelleshdifferhinhtheirhnumberhaccordinghtohthehcell’shenergyhneeds?
1. Ribosomes
2. Mitochondria
3. Ribonucleichacids
4. Deoxyribonucleichacids
5. Whichhoptionhbesthsupportshthehreasonhmorehenergyhishproducedhwhenhahpersonhishexercising?
1. Exercisehcauseshanhincreasehinhthehsynthesishofhprotein.
2. Therehishanhincreasehinhthehproductionhofhpyruvichacidhinhthehcells.
3. Thehconversionhofhpyruvichacidhtohlactichacidhishincreasedhbyhexercise.
4. Musclehcellshhavehmorehmitochondriahtohmeethenergyhdemands.
6. Whenhdoeshribosomalhproteinhsynthesishcease?
1. Duringhendoplasmichreticulumhstress
2. Duringhthehsynthesishofhadenosinehtriphosphateh(ATP)
3. Duringhahseverehhypoxichstate
4. Duringhthehprocessinghofhprohormone
7. Whichhcellularhorganellesharehresponsiblehforhpropellinghmucushandhinhaledhdebrishouthofhthehlungs?
1. Cilia
2. Microfilaments
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3. Secretoryhvesicles
4. Endoplasmichreticula
8.h h Whichharehthehkeyhproteinshinhthehcontractilehunitshofhthehmusclehcells?
1. Actinhandhmyosin
2. Prohormonehandhtubulin
3. Tubulinhandhactin
4. Myosinhandhprohormone
9.h h WhichhdeficiencyhcauseshTay–Sachshdisease?
1. Proteasome
2. Peroxisome
3. Macrophage
4. Lysosomalhenzymes
h 10.h Whichhishahcharacteristichofhadrenoleukodystrophy?
1. Accumulationhofhganglioside
2. Cessationhofhribosomalhproteinhsynthesis
3. Accelerationhofhcellularhproteasomehactivity
4. Accumulationhofhlong-chainhfattyhacidshinhthehnervoushsystem
h 11.h Whichhstatementhregardinghendoplasmichreticulumh(ER)hstresshishcorrect?
1. DuringhERhstress,hproteinsharehrapidlyhdegraded.
2. DuringhERhstress,hlipidshcannothtravelhtohtheirhproperhintracellularhlocations.
3. DuringhERhstress,hlong-chainhfattyhacidshaccumulatehinhthehnervoushsystem.
4. DuringhERhstress,hnondegradedhsubstanceshaccumulatehinhthehcells.
h 12.h Ahclienthishdiagnosedhwithhtypeh1hdiabeteshmellitus.hAthahcellularhlevel,hwhichhfunctionhishlikelyhtohbehin
volved?
1. Inabilityhofhribosomeshtohproducehahspecifichtypehofhprotein
2. IncorrecthprocessinghofhahproteinhbyhthehGolgihapparatus
3. Stagnationhofhahpreviouslyhdynamichactionhinhmicrotubules
4. Obstructionhofhthehsmoothhendoplasmichreticulum
h 13.h Ahnewbornhpatienthexhibitshcharacteristicshofhseverehphysicalhdeformities.hWhichhcellularhcomponenthi
shexaminedhtohdeterminehthehcausehandhprobabilityhofhthehdiseasehbeinghgeneticallyhtransferred?
1. TransferhRNA
2. RibosomalhRNA
3. DoublehhelixhofhDNA
4. MitochondrialhDNA
h 14.h Ahhikerhexperienceshmusclehpainhandhacidosishwhilehascendinghahmountainhduringhahlong,hsteephc
limb.hWhichhishthehreasonhforhthesehmanifestations?
1. Cellularhhypoxia
2. Autolysis
3. Heterolysis
4. Cellularhedema
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h 15.h h WhichhfactorhprovideshDNAhthehuniquehmolecularhabilityhtohreplicate?
1. Thehpairinghofhnitrogenoushbases
2. Thehpresencehofhpyrimidinehbases
3. Thehpresencehofhnucleotides
4. Thehnitrogenoushbasehandhphosphatehbond
h 16.h h Howhmanyhnitrogenoushbaseshcomposehahsinglehcodon?
1.h h 2
2.h h 3
3.h h 4
4.h h 5
h 17.h WhichhcomponentshformhthehstructurehofhDNA?
1. Nucleotides
2. Aminohacids
3. Fattyhacids
4. Phosphates
h 18.h h Whichhfactorhishessentialhinhorderhforhproteinhsynthesishtohoccur?
1. Free-standinghribosomeshwithinhthehcell
2. ProteinhblueprinthfromhthehcellhofhthehDNA
3. Specifichinformationhfromhthehnucleushofhthehcell
4. TransferhRNAhtohmovehthehproteinhouthofhthehcell
h 19.h Tetracyclinehantibiotichishprescribedhforhanhadulthclienthwithhchlamydiahinfection.hWhichhishtheh
mechanismhofhactionhofhthehdrug?
1. Ithpreventshthehreplicationhofhbacteria.
2. Ithaltershthehconfigurationhofhbacterialhcytoplasm.
3. Ithinterfereshwithhthehfunctionhofhbacterialhribosomes.
4. Ithinhibitshthehfunctionshofhbacterialhmitochondria.
h 20.h h Wherehdoeshthehconversionhofhahprohormonehintohahhormonehtakehplace?
1. Inhthehribosomes
2. InhthehGolgihapparatus
3. Inhthehsecretoryhgranules
4. Inhthehendoplasmichreticulum
h 21.h Whichhishthehcell’sh“masterhmind”?
1. Nucleus
2. Ribosome
3. Golgihapparatus
4. Endoplasmichreticulum
MultiplehResponse
Identifyhonehorhmorehchoiceshthathbesthcompletehthehstatementhorhanswerhthehquestion.
h 22.h h Whichhstatementshregardinghthehmicrotubulesharehtrue?hSelecthallhthathapply.
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