A A A A A
S UNDERSTANDING PATHOPHYSIOLOGY,
A A A
CANADIAN EDITION2ND EDITION A A A
ChapterA 01:A CellularA Biology
HuetherA &A McCance:A UnderstandingA Pathophysiology,A 6thA Edition
MULTIPLEA CHOICE
1. AA studentA isA observingA aA cellA underA theA microscope.A ItA isA observedA toAha
veA supercoiledADNAwithAhistones.A WhichA ofA theA followingA wouldA alsoAbeA
observedAbyA theA student?
a. AA singleA circularA chromosome
b. AA nucleus
c. Free-floatingA nuclearA material
d. NoA organelles
ANS: B
TheA cellA describedA isA aA eukaryoticA cell,A soAAAitAAAhasAAAhistonesAAAandA aAsupercoi
ledA DNAA withinA itsnucleus;A thus,A theA nucleusA shouldA beA observed.AAAsingle
AcircularAchromosomeAcalledA aA prokaryoteA containsA free-
floatingAnuclearA materialA butA hasA noA organelles.
REF:A p.A 2
,2. AAnurseAisAinstructingAtheA staffA aboutA cellularA functions.A WhichA cellularAfuncti
onA isA theAnurseAdescribingA whenA anA isolatedAcellA absorbsA oxygenA andAusesAitA t
oA transformA nutrientsA toA energy?
, a. MetabolicA absorption
b. Communication
c. Secretion
d. Respiration
ANS: D
TheA cell’sA abilityA toA absorbA oxygenA isA referredA toA asA respirationA whileA itsAcommu
nicationAabilityinvolvesAmaintenanceAofAaAsteadyAdynamicAstate,AmetabolicAabso
rptionAprovidesAnutrition,AandAsecretionAallowsAforAtheAsynthesizingA ofA newA sub
stances.
REF:A p.A 2