Robbins Basic Pathology 10th Edition Kymar Abbas Test Bank (Questions and Answers Grade A +)

Robbins Basic Pathology 10th Edition KymarAbbasTest Bank
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Chapter 1.The Cell as a Unit of Health and Disease
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1 The nucleus A ,whichisessential forfunction and
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survival of the cell.
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A) isthesiteofprotein synthesis
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B) containsthegeneticcode A A A




C) transformscellularenergy A A




D) initiatesaerobic metabolism A A




2 Althoughenergy isnot madein mitochondria,theyareknown as
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the power plants of the cell because they:
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A) containRNAforproteinsynthesis. A A A A




B) utilizeglycolysisforoxidativeenergy. A A A A




C) extractenergyfromorganiccompounds. A A A A




D) storecalciumbondsformusclecontractions. A A A A A




3 Althoughthebasicstructureof thecell plasma membrane is
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formed by a lipid bilayer, most of the specific membrane
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functions are carried out by:
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A) boundandtransmembraneproteins. A A A




B) complex,longcarbohydratechains. A A A




C) surfaceantigensandhormonereceptors. A A A A




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. A A A




B) accumulatewithincellgapjunctions. A A A A




C) bindtocontractilemicrofilaments. A A A




D) releasesecretionsintoextracellularfluid. A A A A

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




B) combininghydrogenandoxygentoform water. A A A A A A




C) activatingpyruvatestoredinthecytoplasm. A A A A A




D) breakingdownglucosetoformlactic acid. A A A A A A




6 Exocytosis,thereverseofendocytosis,isimportantin
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intotheextracellularfluid. A A A




A) Engulfingandingestingfluidandproteinsfor A A A A A A




transport
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B) Killing,degrading,anddissolvingharmful A A A A




microorganisms
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C) Removingcellulardebrisandreleasing synthesized A A A A A




substances
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D) Destructionofparticlesbylysosomalenzymes for A A A A A A




secretion
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7 Theprocessresponsibleforgenerating andconducting
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membrane potentials is:
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A) diffusionofcurrent-carryingions. A A A




B) millivoltageofelectricalpotential. A A A




C) polarizationofchargedparticles. A A A




D) ionchannelneurotransmission.
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8 Epithelialtissuesareclassified according totheshapeof the 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 A A A A A




intercellular matrix;somedonotextendto
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surface
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,B) Stratifiedepithelium:singlelayerofcells;all A A A A A A




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




epitheliaandunderlyingconnectivetissue
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D) Pseudostratifiedepithelium:multiplelayersof A A A A




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




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




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. A A A A A A A




C) havingrapidcontractionsandabundantcross-
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striations.
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D) contractinginresponsetoincreased intracellular A A A A A




calcium.
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11 Which ofthe following aspects ofthe function ofthe nucleus is
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performed by ribosomal RNA (rRNA)?
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A) CopyingandcarryingDNAinstructionsfor protein A A A A A A




synthesis A

, B) Carryingamino acidstothesiteofprotein synthesis A A A A A A A A




C) Providingthesitewhereproteinsynthesis occurs A A A A A A




D) Regulatingandcontrollingproteinsynthesis A A A A




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




C) Ribosomes
D) Endoplasmicreticulum(ER) A A




13 Impairmentinthe functionofperoxisomeswouldresultin:
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A) inadequatesitesforproteinsynthesis. A A A A




B) aninabilitytotransportcellularproducts across
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the cell membrane.
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C) insufficientenergyproductionwithinacell. A A A A A




D) accumulationoffreeradicals inthecytoplasm. A A A A A A




14 After several months of trying to conceive, a couple is undergoing
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fertility testing. Semen analysis indicates that the mans sperm
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have decreased motility, afinding that is thought to underlie the
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couples inability to become pregnant. Which ofthefollowing
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cellularcomponents maybedefective within the mans sperm?
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A) Ribosomes
B) Microtubules
C) Mitochondria
D) Microfilaments