Guyton and Hall Textbook of Medical Physiology (Guyton Physiology) 14thEdition
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Chapter 01: Functional Organization of the Human Body and Control of the ―InternalEnviron
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ment‖
Hall: Guyton and Hall Textbook of Medical Physiology, 14th Edition
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MULTIPLEnCHOICE
1. Whichnofnthenfollowingnstatementsnaboutnhomeostasisnisnincorrect?
a. Itnrefersntonthenmaintenancenofnanstableninternalnenvironmentnfornthenbody.
b. Homeostaticnmechanismsndonnotnoperateninndiseases.
c. Homeostasisnrequiresnintegratednactionsnofnthencells,ntissues,norgans,nandnmultiple
nervous,nhormonal,nandnlocalncontrolnsystems.
d. Homeostaticncompensationsnthatnbeginnafternanmajornenvironmentalnchallengenmay
contributentonabnormalitiesnofnbodynfunction.
ANS:n B
2. Whatnisnthenmostnabundantntypenofncellninnthenhumannbody?
a. Neuron
b. Epithelialncell
c. Rednbloodncell
d. Whitenbloodncell
e. Vascularnsmoothnmusclencell
f. Skeletalnmusclencell
ANS:n C
3. Thenmostnabundantnsubstanceninnthenhumannbodynandnthenapproximatenpercentagenofnthatns
ubstanceninnthenbodynisnwhichnofnthenfollowing?
a. Protein,n30%
b. Protein,n60%
c. Water,n30%
d. Water,n60%
e. Carbohydrate,n30%
f. Carbohydrate,n60%
ANS:n D
4. Ifnthenfeedbackngainnofnancontrolnsystemnis 2.0,nthisnmeansnthatnthensystemnis
a. annegativenfeedbacknsystemncapablenofncorrectingn1/2nofntheninitialndisturbancento
thensystem.
b. annegativenfeedbacknsystemncapablenofncorrectingn2/3nofntheninitialndisturbancento
thensystem.
c. annegativenfeedbacknsystemncapablenofncorrectingn3/4nofntheninitialndisturbancento
, thensystem.
d. anpositivenfeedbacknsystemncapablenofncorrectingn1/2nofntheninitialndisturbancento
thensystem.
e. anpositivenfeedbacknsystemncapablenofncorrectingn2/3nofntheninitialndisturbancento
thensystem.
f. anpositivenfeedbacknsystemncapablenofncorrectingn3/4nofntheninitialndisturbancento
thensystem.
ANS:n B
5. Whichnofnthenfollowingnsubstancesnhasnthenhighestnextracellularnfluidntonintracellularnfluidnc
oncentrationnrationfornmostnmammalianncells?
a. Sodiumnions
b. Potassiumnions
c. Carbonndioxide
d. Glucose
e. Protein
ANS:n A
6. Exchangenofnsubstancesnbetweennthencardiovascularnsystemnandntheninterstitialnfluidnoccursn
mainlyninnwhichnofnthenfollowing?
a. Arteries
b. Arterioles
c. Capillaries
d. Venules
e. Veins
ANS:n C
7. Whatnisnthenapproximatendistancenfromnthencapillariesntonmostncellsnofnthenbody?
a. Lessnthann50nangstroms
b. Lessnthann50nmicrons
c. Lessnthann50nmillimeters
d. Lessnthann100nangstroms
e. Lessnthann100nmicrons
f. Lessnthann100nmillimeters
ANS:n A
8. Whennanpersonnisnatnrest,nhownmuchntimenisnrequirednfornthenbloodninnthencirculationntontr
aversenthenentirencirculatoryncircuit?
a. 1nsecond
b. 1nminute
c. 3nminutes
d. 4nminutes
e. 5nminutes
ANS:n B
9. Thentypenofncontrolnsystemnthatncannsometimesncauseninstabilitynandnviciousncyclesnisnc
alled
, a. negativenfeedback.
b. feed-forwardncontrol.
c. positivenfeedback.
d. adaptivenfeedback.
e. delayednnegativenfeedback.
ANS:n C
10. Whichnofnthenfollowingnisnannexamplenofnpositivenfeedbackninnthenbody?
a. Returnnofnbloodnpressurentowardnnormalnafternanhemorrhage
b. Generationnofnactionnpotentialsninnnerves
c. Increasednrespirationnratencausednbynaccumulationnofncarbonndioxideninnthenblood
d. Decreasednsympatheticnnervousnsystemnactivitynthatnoccursninnresponsento
increasednbloodnpressure
ANS:n B
11. Whichnofnthenfollowingnisnannexamplenofnan―feed-forward‖ncontrolnsystem?
a. Thenarterialnbaroreceptornsystem
b. Thenprogressivennaturenofnuterinencontractionsnduringnchildbirth
c. Controlnofnskeletalnmusclenmovementsnbynthenbrain
d. Generationnofnannactionnpotential
ANS:n C
12. Whichnofnthenfollowingnisnannexamplenofnnegativenfeedback?n
Examplen1:nArterialnbaroreceptorncontrolnofnbloodnpressure
Examplen2:nExcitationnofnthenrespiratoryncenternbynincreasednbloodncarbonndioxidenc
oncentration
Examplen3:nHemorrhagicnshockncausednbynseverenbloodnloss
a. Examplen1nonly
b. Examplen2nonly
c. Examplen3nonly
d. Examplesn1nandn2,nbutnnotn3
e. Examplesn1,n2,nandn3
ANS:n D
Chapter 02: The Cell and Its Functions
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Hall: Guyton and Hall Textbook of Medical Physiology, 14th Edition
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MULTIPLEnCHOICE
1. Thenmostnabundantncellnmembranenlipidsnare
a. sphingolipids.
b. phospholipids.
c. cholesterol.
d. triglycerides.
e. sterols.
, ANS:n B
2. Organellesnthatnneutralizendrugsnandntoxinsnare
a. nuclei.
b. mitochondria.
c. lysosomes.
d. peroxisomes.
e. endoplasmicnreticulum.
ANS:n D
3. Usenthentermsninnthenfollowingnlistntonidentifynthencellularnlocationnfornthenstepsninvolvedninnt
hensynthesisnandnpackagingnofnansecretednprotein.
―Initiationnofntranslation‖
a. Nucleolus
b. Nucleus
c. Agranularnendoplasmicnreticulum
d. Granularnendoplasmicnreticulum
e. Golginapparatus
f. Endosomes
g. Peroxisomes
h. Cytosol
ANS:n H
4. Usenthentermsninnthenfollowingnlistntonidentifynthencellularnlocationnfornthenstepsninvolvedninnt
hensynthesisnandnpackagingnofnansecretednprotein.
―Proteinnsortingnandnpackaging‖
a. Nucleolus
b. Nucleus
c. Agranularnendoplasmicnreticulum
d. Granularnendoplasmicnreticulum
e. Golginapparatus
f. Endosomes
g. Peroxisomes
h. Lysosomes
ANS:n E
5. Usenthentermsninnthenfollowingnlistntonidentifynthencellularnlocationnfornthenstepsninvolvedninnt
hensynthesisnandnpackagingnofnansecretednprotein.
―Genentranscription‖
a. Nucleolus
b. Nucleus
c. Agranularnendoplasmicnreticulum
d. Granularnendoplasmicnreticulum
e. Golginapparatus
f. Endosomes
g. Peroxisomes
h. Lysosomes