TEST BANK FOR
m m
Guyton and Hall Textbook of Medical Physiology (Guyton
m m m m m m m m
Physiology) 14th Edition m m
11. Whichmof mthemfollowingmismanmexamplemof mam―feed-forward‖ mcontrolmsystem?
a. Themarterialmbaroreceptormsystem
b. Themprogressivemnaturemof muterinemcontractionsmduringmchildbirth
c. Controlmof mskeletalmmusclemmovementsmbymthembrain
d. Generationmof manmactionmpotentia
lmANS:mC
12. Whichmof mthemfollowingmismanmexamplemof mnegativemfeedback?mExamplem1:mArteri
almbaroreceptormcontrolmof mblood mpressure
Examplem2:mExcitationmof mthemrespiratorymcentermbymincreased mblood mcarbonmdioxidemconcentratio
nmExamplem3:mHemorrhagicmshockmcaused mbymseveremblood mloss
a. Examplem1monly
b. Examplem2monly
c. Examplem3monly
d. Examplesm1mand m2,mbut mnot m3
e. Examplesm1,m2,mand m
3mANS:mD
Chapterm01:mFunctionalmOrganizationmof mthemHumanmBodymandmControlmof mthem―Interna
lmEnvironment‖
Hall:mGuytonmand mHallmTextbookmof mMedicalmPhysiology,m14thmEdition
,MULTIPLEmCHOICE
1. Whichmof mthemfollowingmstatementsmabout mhomeostasismismincorrect?
a. It mrefersmtomthemmaintenancemof mamstableminternalmenvironment mformthembody.
b. Homeostaticmmechanismsmdomnot moperateminmdiseases.
c. Homeostasismrequiresmintegrated mactionsmof mthemcells,mtissues,morgans,mand mmultip
lemnervous,mhormonal,mand mlocalmcontrolmsystems.
d. Homeostaticmcompensationsmthat mbeginmaftermammajormenvironmentalmchallengemma
ymcontributemtomabnormalitiesmof mbodymfunction.
ANS:mB
2. What mismthemmost mabundant mtypemof mcellminmthemhumanmbody?
a. Neuron
b. Epithelialmcell
c. Red mblood mcell
d. Whitemblood mcell
e. Vascularmsmoothmmusclemcell
f. Skeletalmmusclemcel
lmANS:mC
3. Themmost mabundant msubstanceminmthemhumanmbodymand mthemapproximatempercentagemof mt
hat msubstanceminmthembodymismwhichmof mthemfollowing?
a. Protein,m30%
b. Protein,m60%
c. Water,m30%
d. Water,m60%
e. Carbohydrate,m30%
f. Carbohydrate,m60%
ANS:mD
m
,4. If mthemfeedbackmgainmof mamcontrolmsystemmism m 2.0,mthismmeansmthat mthemsystemmis
a. amnegativemfeedbackmsystemmcapablemof mcorrectingm1/2mof mtheminitialmdisturbancem
tomthemsystem.
b. amnegativemfeedbackmsystemmcapablemof mcorrectingm2/3mof mtheminitialmdisturbancem
tomthemsystem.
c. amnegativemfeedbackmsystemmcapablemof mcorrectingm3/4mof mtheminitialmdisturbancemto
themsystem.
d. ampositivemfeedbackmsystemmcapablemof mcorrectingm1/2mof mtheminitialmdisturbancemtomt
hemsystem.
e. ampositivemfeedbackmsystemmcapablemof mcorrectingm2/3mof mtheminitialmdisturbancemtomt
hemsystem.
f. ampositivemfeedbackmsystemmcapablemof mcorrectingm3/4mof mtheminitialmdisturbancemtomt
hemsystem.
ANS:mB
5. Whichmof mthemfollowingmsubstancesmhasmthemhighest mextracellularmfluid mtomintracellul
armfluid mconcentrationmratiomformmost mmammalianmcells?
a. Sodiummions
b. Potassiummions
c. Carbonmdioxide
d. Glucose
e. Protein
ANS:mA
m
6. Exchangemof msubstancesmbetweenmthemcardiovascularmsystemmand mtheminterstitialmflu
id moccursmmainlyminmwhichmof mthemfollowing?
a. Arteries
b. Arterioles
, c. Capillaries
d. Venules
e. Veins
ANS:mC
m
7. What mismthemapproximatemdistancemfrommthemcapillariesmtommost mcellsmof mthembody?
a. Lessmthanm50mangstroms
b. Lessmthanm50mmicrons
c. Lessmthanm50mmillimeters
d. Lessmthanm100mangstroms
e. Lessmthanm100mmicrons
f. Lessmthanm100mmillimeter
smANS:mA
8. Whenmampersonmismat mrest,mhowmmuchmtimemismrequired mformthemblood minmthemcirculation
mtomtraversemthementiremcirculatorymcircuit?
a. 1msecond
b. 1mminute
c. 3mminutes
d. 4mminutes
e. 5mminutes
ANS:mB
m
9. Themtypemof mcontrolmsystemmthat mcanmsometimesmcauseminstabilitymand mviciousmcyclesmismcalled
a. negativemfeedback.
b. feed-forward mcontrol.
c. positivemfeedback.
d. adaptivemfeedback.
e. delayed mnegativemfeedback.
m m
Guyton and Hall Textbook of Medical Physiology (Guyton
m m m m m m m m
Physiology) 14th Edition m m
11. Whichmof mthemfollowingmismanmexamplemof mam―feed-forward‖ mcontrolmsystem?
a. Themarterialmbaroreceptormsystem
b. Themprogressivemnaturemof muterinemcontractionsmduringmchildbirth
c. Controlmof mskeletalmmusclemmovementsmbymthembrain
d. Generationmof manmactionmpotentia
lmANS:mC
12. Whichmof mthemfollowingmismanmexamplemof mnegativemfeedback?mExamplem1:mArteri
almbaroreceptormcontrolmof mblood mpressure
Examplem2:mExcitationmof mthemrespiratorymcentermbymincreased mblood mcarbonmdioxidemconcentratio
nmExamplem3:mHemorrhagicmshockmcaused mbymseveremblood mloss
a. Examplem1monly
b. Examplem2monly
c. Examplem3monly
d. Examplesm1mand m2,mbut mnot m3
e. Examplesm1,m2,mand m
3mANS:mD
Chapterm01:mFunctionalmOrganizationmof mthemHumanmBodymandmControlmof mthem―Interna
lmEnvironment‖
Hall:mGuytonmand mHallmTextbookmof mMedicalmPhysiology,m14thmEdition
,MULTIPLEmCHOICE
1. Whichmof mthemfollowingmstatementsmabout mhomeostasismismincorrect?
a. It mrefersmtomthemmaintenancemof mamstableminternalmenvironment mformthembody.
b. Homeostaticmmechanismsmdomnot moperateminmdiseases.
c. Homeostasismrequiresmintegrated mactionsmof mthemcells,mtissues,morgans,mand mmultip
lemnervous,mhormonal,mand mlocalmcontrolmsystems.
d. Homeostaticmcompensationsmthat mbeginmaftermammajormenvironmentalmchallengemma
ymcontributemtomabnormalitiesmof mbodymfunction.
ANS:mB
2. What mismthemmost mabundant mtypemof mcellminmthemhumanmbody?
a. Neuron
b. Epithelialmcell
c. Red mblood mcell
d. Whitemblood mcell
e. Vascularmsmoothmmusclemcell
f. Skeletalmmusclemcel
lmANS:mC
3. Themmost mabundant msubstanceminmthemhumanmbodymand mthemapproximatempercentagemof mt
hat msubstanceminmthembodymismwhichmof mthemfollowing?
a. Protein,m30%
b. Protein,m60%
c. Water,m30%
d. Water,m60%
e. Carbohydrate,m30%
f. Carbohydrate,m60%
ANS:mD
m
,4. If mthemfeedbackmgainmof mamcontrolmsystemmism m 2.0,mthismmeansmthat mthemsystemmis
a. amnegativemfeedbackmsystemmcapablemof mcorrectingm1/2mof mtheminitialmdisturbancem
tomthemsystem.
b. amnegativemfeedbackmsystemmcapablemof mcorrectingm2/3mof mtheminitialmdisturbancem
tomthemsystem.
c. amnegativemfeedbackmsystemmcapablemof mcorrectingm3/4mof mtheminitialmdisturbancemto
themsystem.
d. ampositivemfeedbackmsystemmcapablemof mcorrectingm1/2mof mtheminitialmdisturbancemtomt
hemsystem.
e. ampositivemfeedbackmsystemmcapablemof mcorrectingm2/3mof mtheminitialmdisturbancemtomt
hemsystem.
f. ampositivemfeedbackmsystemmcapablemof mcorrectingm3/4mof mtheminitialmdisturbancemtomt
hemsystem.
ANS:mB
5. Whichmof mthemfollowingmsubstancesmhasmthemhighest mextracellularmfluid mtomintracellul
armfluid mconcentrationmratiomformmost mmammalianmcells?
a. Sodiummions
b. Potassiummions
c. Carbonmdioxide
d. Glucose
e. Protein
ANS:mA
m
6. Exchangemof msubstancesmbetweenmthemcardiovascularmsystemmand mtheminterstitialmflu
id moccursmmainlyminmwhichmof mthemfollowing?
a. Arteries
b. Arterioles
, c. Capillaries
d. Venules
e. Veins
ANS:mC
m
7. What mismthemapproximatemdistancemfrommthemcapillariesmtommost mcellsmof mthembody?
a. Lessmthanm50mangstroms
b. Lessmthanm50mmicrons
c. Lessmthanm50mmillimeters
d. Lessmthanm100mangstroms
e. Lessmthanm100mmicrons
f. Lessmthanm100mmillimeter
smANS:mA
8. Whenmampersonmismat mrest,mhowmmuchmtimemismrequired mformthemblood minmthemcirculation
mtomtraversemthementiremcirculatorymcircuit?
a. 1msecond
b. 1mminute
c. 3mminutes
d. 4mminutes
e. 5mminutes
ANS:mB
m
9. Themtypemof mcontrolmsystemmthat mcanmsometimesmcauseminstabilitymand mviciousmcyclesmismcalled
a. negativemfeedback.
b. feed-forward mcontrol.
c. positivemfeedback.
d. adaptivemfeedback.
e. delayed mnegativemfeedback.
