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Full Test Bank for Understanding Pathophysiology, 8th Edition by Sue E. Huether, Kathryn L. McCance and Valentina L. Brashers isbn-9780323938051 All Chapters 1-44 Verified Latest Edition in the market

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Full Test Bank for Understanding Pathophysiology, 8th Edition by Sue E. Huether, Kathryn L. McCance and Valentina L. Brashers isbn-9780323938051 All Chapters 1-44 Verified Latest Edition in the market Full Test Bank for Understanding Pathophysiology, 8th Edition by Sue E. Huether, Kathryn L. McCance and Valentina L. Brashers isbn-9780323938051 All Chapters 1-44 Verified Latest Edition in the market

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,Chapter1.Cellular Biology br

MULTIPLECHOICE

1. Astudentisobservingacellunderthemicroscope.Itisobservedtohavesupercoiled DNAwith
br 1k 1k br 1k br

br histones. Whichofthefollowingwouldalsobeobservedbythestudent?
br

a. Asinglecircularchromosome
b. Anucleus
c. Free-floatingnuclear material 1k br

d. Noorganelles

ANS:B

Thecelldescribedisaeukaryoticcell,soithashistonesandasupercoiledDNAwithin itsnucleus; thus,
1k br br br br 1k 1k br br

thenucleusshouldbeobserved.
br br br

Asinglecircularchromosome ischaracteristicofprokaryoticcells,whichdonothavehistones. br 1k 1k br 1k br

Free-floating nuclearmaterialdescribesaprokaryoticcell,whichwouldnot haveadistinctnucleus.
br 1k br 1k 1k 1k 1k 1k 1k br

Eukaryoticcellshavemembraneboundedcellularcomponentscalledorganelles.Noorganellesdescribes 1k br

br a prokaryotic cell.
1k

2. Anurse isinstructingthestaffabout cellularfunctions.Whichcellularfunction isthenurse 1k br 1k br 1k

br describingwhen anisolated 1k 1k b r b r

b r cellabsorbsoxygenandusesittotransformnutrientstoenergy?

a. Metabolicabsorption
b. Communication
c. Secretion
d. Respiration

,ANS:D

The abilityofthecelltoabsorboxygenreferstothe cells functionofrespiration.
1k br br br 1k

Theabilityofthecell tofunction withinasocietyofcellsreferstoitsfunctionofcommunication.
1k br 1k br

br The abilityofthecelltotakein nutrientsrefersto thecells function ofmetabolic absorption.
1k br 1k br 1k br 1k br br 1k br br

Theabilityofthecelltosynthesizenewsubstancesandsecretetheseelsewherereferstothecellsfunction br

br ofsecretion.

3. Aeukaryoticcell isundergoingDNAreplication.Inwhich regionofthecellwould most of the
1k 1k br br 1k br 1k 1k br 1k

br geneticinformationbecontained?

a. Mitochondria
b. Ribosome
c. Nucleolus
d. Nucleus

ANS:C

Theregionofthecellthatcontainsgeneticmaterial,includinga largeamount ofribonucleicacid,
1k br 1k br br 1k br

br most ofthe DNA,and DNA-binding proteins, isthenucleolus.
1k br br 1k br 1k br br br

Themitochondria isthesiteofcellularrespiration. br 1k

Theribosomesareinvolved inmanufacturing ofproteins withinthecell. 1k 1k 1k

Thenucleuscontainsthenucleolus,anditisthenucleolusthat contains geneticmaterial.
br 1k 1k br br 1k 1k 1k br

4. Thefluid mosaicmodelforbiologicmembranesdescribesmembranebehavior.According tothis
1k 1k 1k br

br model,whichofthefollowingfloatsinglyorasaggregatesin thefluidlipid bilayer?
br br br 1k br br 1k

a. Peripheralmembraneproteins
b. Integralmembraneproteins

, c. Glycoproteins
d. Cell adhesionmolecules
1k br

ANS:B

Integralmembraneproteinsfloat freelyinthefluid lipid bilayer. 1k br 1k br 1k br 1k

Peripheralmembraneproteinsarenot embedded in thelayer,but resideatthesurface.Glycoproteins
br 1k br 1k br 1k br br

actascellsurfacemarkers.
br

Celladhesionmoleculesareonthe outsideofthemembraneandallowcellsto hooktogether.1k br 1k

5. Whichofthefollowingcanbind toplasmamembranereceptors? 1k br

a. Oxygen
b. Ribosomes
c. Amphipathiclipids
d. Ligands

ANS:D

Ligands arespecificmoleculesthatcanbindwithreceptorsonthecellmembrane.Oxygen
1k br 1k 1k br

br movesbydiffusion;itdoesnot bindtoreceptors.br 1k br

Ribosomesmakeproteinsandarenot involved inbinding.
1k 1k 1k 1k 1k 1k

br Amphipathiclipidsareaportionofthecellmembrane.

6. Anurse isreviewingareportfromapatient withmetastaticcancer.Whatfindingwould 1k 1k br

b r supportthediagnosisofmetastaticcancer?Alterationsinextracellular
1k 1k 1k

matrixthatinclude:
br 1k

a. Decreasedfibronectin1k

b. Increasedcollagen
c. Decreasedelastin 1k

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Sue E. Huether, Kathryn L. McCance, Valentina L. Brashers Understanding Pathophysiology - E-Book

Publisher: 2024 ISBN: 9780323938051 Edition: Unknown

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