Robbins Basic Pathology 10th Edition Kymar Abbas Test Bank.pdf

RobbinsBasic Pathology 10th Edition KymarAbbasTest Bank
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Chapter1.The Cell as aUnit of HealthandDisease
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1 The nucleus f ,whichisessentialforfunctionand f f f f f f




survival of the cell.
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A) isthesiteofproteinsynthesis f f f f f




B) containsthegeneticcode f f f




C) transformscellularenergy f f




D) initiatesaerobicmetabolism f f




2 Althoughenergyisnotmadein mitochondria,theyareknown as the f f f f f f f f f f f




power plants of the cell because they:
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A) containRNAforproteinsynthesis. f f f f




B) utilizeglycolysisforoxidativeenergy. f f f f




C) extractenergyfromorganiccompounds. f f f f




D) storecalciumbondsformusclecontractions. f f f f f




3 Althoughthebasicstructureofthecellplasmamembraneis formed f f f f f f f f f f




by a lipid bilayer, most of the specific membrane functions are
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carried out by:
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A) boundandtransmembraneproteins. f f f




B) complex,longcarbohydratechains. f f f




C) surfaceantigensandhormonereceptors. f f f f




D) agatingsystemofselectiveionchannels.
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4 Toeffectivelyrelaysignals,cell-to-cellcommunication
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utilizes chemical messenger systems that:
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A) displacesurfacereceptorproteins. f f f




B) accumulatewithincellgapjunctions. f f f f




C) bindtocontractilemicrofilaments. f f f




D) releasesecretionsintoextracellularfluid. f f f f

,5 Aerobicmetabolism,alsoknownasoxidativemetabolism,
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provides energy by:
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A) removingthephosphatebondsfromATP. f f f f f




B) combininghydrogenandoxygentoform water. f f f f f f




C) activatingpyruvatestoredinthecytoplasm. f f f f f




D) breakingdownglucosetoformlacticacid. f f f f f f




6 Exocytosis,thereverseofendocytosis,isimportantin
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intotheextracellularfluid. f f f




A) Engulfingandingestingfluidandproteinsfor f f f f f f




transport
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B) Killing,degrading,anddissolvingharmful f f f f




microorganisms
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C) Removingcellulardebrisandreleasing synthesized f f f f f




substances
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D) Destructionofparticlesbylysosomalenzymes for f f f f f f




secretion
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7 Theprocessresponsibleforgeneratingandconducting
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membrane potentials is:
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A) diffusionofcurrent-carryingions. f f f




B) millivoltageofelectricalpotential. f f f




C) polarizationofchargedparticles. f f f




D) ionchannelneurotransmission.
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8 Epithelialtissuesareclassifiedaccordingtotheshapeofthe cells
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and the number of layers. Which of the following is a correctly
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matched description and type of epithelial tissue?
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A) Simple epithelium: cells in contact with f f f f f




intercellularmatrix;somedonotextendto surface
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,B) Stratifiedepithelium:singlelayerofcells;all cells f f f f f f f




rest on basement membrane
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C) Glandular epithelium: arise from surface f f f f




epitheliaandunderlyingconnectivetissue
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D) Pseudostratifiedepithelium:multiplelayersof f f f f




cells; deepest layer rests on basement membrane
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9 Connectivetissuecontainsfibroblaststhatareresponsiblefor:
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A) providingafibrousframeworkforcapillaries. f f f f f




B) synthesisofcollagen,elastin,andreticular fibers. f f f f f f




C) formingtendonsandthefasciathatcovers muscles.
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D) fillingspacesbetweentissuestokeeporgansin place.
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10 Although all muscle tissue cells have some similarities, smooth
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muscle(alsoknownasinvoluntarymuscle)differs by:
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A) havingdensebodiesattachedtoactin filaments.
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B) containingsarcomeresbetweenZlinesandM bands. f f f f f f f




C) havingrapidcontractionsandabundantcross-f f f f f




striations.
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D) contractinginresponsetoincreased intracellular f f f f f




calcium.
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11 Whichofthefollowingaspectsofthefunctionofthenucleus is
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performed by ribosomal RNA (rRNA)?
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A) CopyingandcarryingDNAinstructionsfor protein f f f f f f




synthesis f

, B) Carryingaminoacidstothesiteofprotein synthesis f f f f f f f f




C) Providingthesitewhereproteinsynthesis occurs f f f f f f




D) Regulatingandcontrollingproteinsynthesis f f f f




12 Breakdownandremovalofforeignsubstancesandworn-out cell
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parts are performed by which of the following organelles?
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A) Lysosomes
B) Golgiapparatus f




C) Ribosomes
D) Endoplasmicreticulum(ER) f f




13 Impairmentinthefunctionofperoxisomeswouldresultin:
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A) inadequatesitesforproteinsynthesis. f f f f




B) aninabilitytotransportcellularproducts across
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the cell membrane.
f f f




C) insufficientenergyproductionwithinacell. f f f f f




D) accumulationoffreeradicalsinthecytoplasm. f f f f f f




14 After several months of trying to conceive, a couple is undergoing
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fertility testing. Semen analysis indicates that the manssperm
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havedecreased motility,afindingthatisthought to underlie the
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couples inability to become pregnant. Which ofthefollowing
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cellularcomponentsmaybedefectivewithin the mans sperm?
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A) Ribosomes
B) Microtubules
C) Mitochondria
D) Microfilaments