LS 7C FINAL EXAM CLICKER QUESTIONS WITH CORRECT
One cof cthe cfunctions cof cthe ccardiovascular
and crespiratory csystems cis cto crid cthe cbody
of cCO2. cWhere cdoes cthe cCO2 ccome cfrom?
A. cCO2 cis ca cbreakdown cproduct cof cthe ccarbohydrates
oxidized cin ccellular crespiration.
B. cCO2 cis ca cbreakdown cproduct cof cthe ccarbohydrates
reduced cin ccellular crespiration.
C. cCO2 cis cproduced cwhen cinhaled coxygen ccombines
with ccarbon catoms cfrom ccarbohydrates.
D. cCO2 cis cproduced cwhen cthe coxygen catoms cof cwater
combine cwith ccarbon catoms. c- cCORRECT cANS✔✔A. cCO2 cis ca cbreakdown cproduct cof cthe cca
oxidized cin ccellular crespiration.
The clungs care chighly cbranched. cWhat cis cthe cprimary cpurpose cof cthis cbranching?
A. cIt cincreases cthe csurface
area cof cthe clungs
B. cIt cincreases cthe cvolume
of cthe clungs
C. cA cand cB care ccorrect
D. cNone cof cthe cabove c- cCORRECT cANS✔✔A. cIt cincreases cthe csurface carea cof cthe clungs
A cred cblood ccell chas cjust cleft cthe cright cventricle cof cthe cheart. cIt ctravels cto cthe clungs, cback cto
cthen cback cto cthe cheart cagain. cAt ceach cpoint con cits cjourney c(A-D), cdetermine cthe
oxygen csaturation clevel c(%) cof cthe chemoglobin cmolecules cfound cin
this cred cblood ccell. c(You cmay cassume cthe cpH cof cthe cblood cis c7.4.)
What cis cthe capproximate cO2
saturation cat cpoint cD?
A.75%
B.30%
C.40%
D.10%
E.None cof cthe cabove c- cCORRECT cANS✔✔A.75%
How cdoes cblood cpH cat cmuscle ctissue ccompare cto cblood cpH cat cthe clungs?
,What cis cthe capproximate cO2
saturation cat cpoint cD?
A.75%
B.25%
C.40%
D.10%
E.None cof cthe cabove c- cCORRECT cANS✔✔D. c10%
When cthe cdiaphragm ccontracts, cthe
volume cof cthe clungs c_____ cand cthe
pressure cin cthe clungs c______
A. cIncreases; cincreases
B. cIncreases; cdecreases
C. cDecreases; cincreases
D. cDecreases; cdecreases c- cCORRECT cANS✔✔B. cIncreases; cdecreases
At chigh caltitudes, cthe cpartial cpressure cof coxygen cis c______ cthe cpartial cpressure cof coxygen cat
A. cHigher cthan
B. cLower cthan
C. cThe csame cas c- cCORRECT cANS✔✔B. cLower cthan
At chigh caltitudes, cthe cpercentage
of coxygen cis c___________ cthe cpercentage cof coxygen cat csea clevel.
A. cHigher cthan
B. cLower cthan
C. cThe csame cas c- cCORRECT cANS✔✔C. cThe csame cas
A cclimber cis cscaling cMt. cEverest. cAs cher celevation cincreases, cthe caverage camount cof coxygen
cher cred cblood ccells c________.
A. cIncreases
B. cDecreases
C. cDoes cnot cchange c- cCORRECT cANS✔✔B. cDecreases
A ccondition ccalled c"hypoxia" coccurs cwhen cnot cenough coxygen cis cbeing cdelivered cto cthe cbody
Chemoreceptors con cthe c________ csense coxygen clevels cin cthe cblood cand crelay cthis cinformatio
respiratory ccontrol ccenters cin cthe cbrain.
A. cAorta
B. cPulmonary ctrunk
C. cPulmonary cvein
D. cSuperior cvena ccava c- cCORRECT cANS✔✔A. cAorta
A ccondition ccalled c"hypoxia" coccurs cwhen cnot cenough coxygen cis
being cdelivered cto cthe cbody. cWhat cis cacting cas cthe chomeostatic csensor?
A. cOxygen
B. cCarbon cDioxide
C. cHeart
D. cBrainstem
E. cDiaphragm c- cCORRECT cANS✔✔D. cBrainstem
, A. cComplete cblood ccount
B. cChemistry cpanel
C. cNo cway cto cknow c- cCORRECT cANS✔✔A. cComplete cblood ccount
Patient cB's cblood cpH cis cbuffered cby cthe cappropriate camount cof cbicarbonate
A. cTrue
B. cFalse c- cCORRECT cANS✔✔A. cTrue
Patient cA's cblood cwill clikely cexhibit
difficulty cclotting.
A. cTrue
B. cFalse c- cCORRECT cANS✔✔B. cFalse
Patient cB clikely cexhibits csome cswelling cof cthe cbody ctissues c("edema") cdue cto can cosmotic cimb
A. cTrue
B. cFalse c- cCORRECT cANS✔✔A. cTrue
Which cof cthe cfollowing ccorrectly
represents cthe corder cin cwhich cblood cflows cthrough cstructures cof cthe cheart?
A. cRight cventricle, cleft
atrium, cpulmonary cartery
B. cLeft catrium, cpulmonary
artery, cright catrium
C. cPulmonary cartery, caorta,
left cventricle
D. cSuperior cvena ccava,
pulmonary cvein, caorta c- cCORRECT cANS✔✔D. cSuperior cvena ccava, cpulmonary cvein, caorta
The cpulmonary cvein ccarries
deoxygenated cblood.
A. cTrue
B. cFalse c- cCORRECT cANS✔✔B. cFalse
At cthe cbeginning cof cventricular cdiastole, cblood cpressure cin catria cis c_______ cblood cpressure cin
A. cHigher cthan
B. cLower cthan
C. cThe csame cas
D. cNo cway cto cknow! c- cCORRECT cANS✔✔A. cHigher cthan
The cventricles cbegin cto cempty cat cwhich cregion cof cthe ccardiac ccycle?
A. c1 c--> cDiastole
B. c2 c--> cLub c
C. cbefore c3 cSystole cdown c- cCORRECT cANS✔✔C. cbefore c3 cSystole cdown
At cthe ctime cthat cthe cventricles cbegin cto cempty, cblood cpressure cin
aorta cis c_______ cblood cpressure cin cthe
ventricles.
One cof cthe cfunctions cof cthe ccardiovascular
and crespiratory csystems cis cto crid cthe cbody
of cCO2. cWhere cdoes cthe cCO2 ccome cfrom?
A. cCO2 cis ca cbreakdown cproduct cof cthe ccarbohydrates
oxidized cin ccellular crespiration.
B. cCO2 cis ca cbreakdown cproduct cof cthe ccarbohydrates
reduced cin ccellular crespiration.
C. cCO2 cis cproduced cwhen cinhaled coxygen ccombines
with ccarbon catoms cfrom ccarbohydrates.
D. cCO2 cis cproduced cwhen cthe coxygen catoms cof cwater
combine cwith ccarbon catoms. c- cCORRECT cANS✔✔A. cCO2 cis ca cbreakdown cproduct cof cthe cca
oxidized cin ccellular crespiration.
The clungs care chighly cbranched. cWhat cis cthe cprimary cpurpose cof cthis cbranching?
A. cIt cincreases cthe csurface
area cof cthe clungs
B. cIt cincreases cthe cvolume
of cthe clungs
C. cA cand cB care ccorrect
D. cNone cof cthe cabove c- cCORRECT cANS✔✔A. cIt cincreases cthe csurface carea cof cthe clungs
A cred cblood ccell chas cjust cleft cthe cright cventricle cof cthe cheart. cIt ctravels cto cthe clungs, cback cto
cthen cback cto cthe cheart cagain. cAt ceach cpoint con cits cjourney c(A-D), cdetermine cthe
oxygen csaturation clevel c(%) cof cthe chemoglobin cmolecules cfound cin
this cred cblood ccell. c(You cmay cassume cthe cpH cof cthe cblood cis c7.4.)
What cis cthe capproximate cO2
saturation cat cpoint cD?
A.75%
B.30%
C.40%
D.10%
E.None cof cthe cabove c- cCORRECT cANS✔✔A.75%
How cdoes cblood cpH cat cmuscle ctissue ccompare cto cblood cpH cat cthe clungs?
,What cis cthe capproximate cO2
saturation cat cpoint cD?
A.75%
B.25%
C.40%
D.10%
E.None cof cthe cabove c- cCORRECT cANS✔✔D. c10%
When cthe cdiaphragm ccontracts, cthe
volume cof cthe clungs c_____ cand cthe
pressure cin cthe clungs c______
A. cIncreases; cincreases
B. cIncreases; cdecreases
C. cDecreases; cincreases
D. cDecreases; cdecreases c- cCORRECT cANS✔✔B. cIncreases; cdecreases
At chigh caltitudes, cthe cpartial cpressure cof coxygen cis c______ cthe cpartial cpressure cof coxygen cat
A. cHigher cthan
B. cLower cthan
C. cThe csame cas c- cCORRECT cANS✔✔B. cLower cthan
At chigh caltitudes, cthe cpercentage
of coxygen cis c___________ cthe cpercentage cof coxygen cat csea clevel.
A. cHigher cthan
B. cLower cthan
C. cThe csame cas c- cCORRECT cANS✔✔C. cThe csame cas
A cclimber cis cscaling cMt. cEverest. cAs cher celevation cincreases, cthe caverage camount cof coxygen
cher cred cblood ccells c________.
A. cIncreases
B. cDecreases
C. cDoes cnot cchange c- cCORRECT cANS✔✔B. cDecreases
A ccondition ccalled c"hypoxia" coccurs cwhen cnot cenough coxygen cis cbeing cdelivered cto cthe cbody
Chemoreceptors con cthe c________ csense coxygen clevels cin cthe cblood cand crelay cthis cinformatio
respiratory ccontrol ccenters cin cthe cbrain.
A. cAorta
B. cPulmonary ctrunk
C. cPulmonary cvein
D. cSuperior cvena ccava c- cCORRECT cANS✔✔A. cAorta
A ccondition ccalled c"hypoxia" coccurs cwhen cnot cenough coxygen cis
being cdelivered cto cthe cbody. cWhat cis cacting cas cthe chomeostatic csensor?
A. cOxygen
B. cCarbon cDioxide
C. cHeart
D. cBrainstem
E. cDiaphragm c- cCORRECT cANS✔✔D. cBrainstem
, A. cComplete cblood ccount
B. cChemistry cpanel
C. cNo cway cto cknow c- cCORRECT cANS✔✔A. cComplete cblood ccount
Patient cB's cblood cpH cis cbuffered cby cthe cappropriate camount cof cbicarbonate
A. cTrue
B. cFalse c- cCORRECT cANS✔✔A. cTrue
Patient cA's cblood cwill clikely cexhibit
difficulty cclotting.
A. cTrue
B. cFalse c- cCORRECT cANS✔✔B. cFalse
Patient cB clikely cexhibits csome cswelling cof cthe cbody ctissues c("edema") cdue cto can cosmotic cimb
A. cTrue
B. cFalse c- cCORRECT cANS✔✔A. cTrue
Which cof cthe cfollowing ccorrectly
represents cthe corder cin cwhich cblood cflows cthrough cstructures cof cthe cheart?
A. cRight cventricle, cleft
atrium, cpulmonary cartery
B. cLeft catrium, cpulmonary
artery, cright catrium
C. cPulmonary cartery, caorta,
left cventricle
D. cSuperior cvena ccava,
pulmonary cvein, caorta c- cCORRECT cANS✔✔D. cSuperior cvena ccava, cpulmonary cvein, caorta
The cpulmonary cvein ccarries
deoxygenated cblood.
A. cTrue
B. cFalse c- cCORRECT cANS✔✔B. cFalse
At cthe cbeginning cof cventricular cdiastole, cblood cpressure cin catria cis c_______ cblood cpressure cin
A. cHigher cthan
B. cLower cthan
C. cThe csame cas
D. cNo cway cto cknow! c- cCORRECT cANS✔✔A. cHigher cthan
The cventricles cbegin cto cempty cat cwhich cregion cof cthe ccardiac ccycle?
A. c1 c--> cDiastole
B. c2 c--> cLub c
C. cbefore c3 cSystole cdown c- cCORRECT cANS✔✔C. cbefore c3 cSystole cdown
At cthe ctime cthat cthe cventricles cbegin cto cempty, cblood cpressure cin
aorta cis c_______ cblood cpressure cin cthe
ventricles.
