PATvb201vbWeekvb10:vbhypertension
TvborvbF:vbBloodvbpressurevbisvbavbmeasurevbofvbthevbvenousvbsystemicvbpressur
evb-vbcorrectvbanswer✔ ✔
False!vbBloodvbpressurevbisvbavbmeasurevbofvbthevbarterialvbbloodvbpressure,vb
thevbsystemvbthatvbsendsvbbloodvbtovbthevborgans
Systolicvbbloodvbpressurevb(top)vbisvbthevbmeasurevbofvbthevbheartvb_________v
b____________vb-vbcorrectvbanswer✔ ✔ duringvbcontraction
Diastolicvbbloodvbpressurevb(bottom)vbisvbthevbmeasurevbofvbthevbpressurevbofvb
circulationvbofvbthevbheartvb_________vb________vb-vbcorrectvbanswer✔ ✔
atvbrest
Whatvbisvbpulsevbpressure?vb-vbcorrectvbanswer✔ ✔
thevbdifferencevbbetweenvbsystolicvbandvbdiastolicvb
systolicvb-vbdiastolic
whatvbdoesvbpulsevbpressurevbindicate?vb-vbcorrectvbanswer✔ ✔
thevbresistancevbofvbthevbarteriesvbtovbbloodvbflow
,Whatvbdoesvbanvbincreasedvbpulsevbpressurevbindicate?vb-vbcorrectvbanswer✔
✔ rigidityvbofvbbloodvbvessels
AvbnursevbfindsvbtheirvbpatientvbtovbhavevbavblowvbMAPvb(meanvbarterialvbpulse)
.vbWhatvbisvbthevbnurse'svbmainvbconcern?vb-vbcorrectvbanswer✔ ✔
Organsvbarevbnotvbgettingvbadequatevbblood
(inadequatevbtissuevbperfusion)
Whatvbisvbstrokevbvolume?vb-vbcorrectvbanswer✔ ✔
thevbamountvbofvbbloodvbpumpedvbbyvbthevbleftvbventriclevbinvbonevbcontracti
on
whatvbisvbsystemicvbvascularvbresistance?vb-vbcorrectvbanswer✔ ✔
forcevbopposingvbmovementvbofvbbloodvbwithinvbbloodvbvessels
Whatvbisvbpreload?vb(ventricularvbfilling)vb-vbcorrectvbanswer✔ ✔
loadvbonvbventriclevbimmediatelyvbbeforevbcontraction
whatvbisvbafterload?vb-vbcorrectvbanswer✔ ✔
resistancevbleftvbventriclevbmustvbovercomevbtovbcirculatevbblood
Whatvbisvbthevbvasomotorvbcentre'svbsignificancevbtovbhypertension?vb-
vbcorrectvbanswer✔ ✔
, ThevbVasomotorvbcentrevbisvbthevbpartvbofvbthevbmedullavbthatvbregulatesvbBP
vb(e.g.vbVASOconstrictionvbandvbVASOdilation)
Whichvbofvbthevbfollowingvbfactorsvbcontributevbtovbvasoconstriction?
a)vbangiotensinvbII
b)vbnitricvboxide
c)vbprostaglandins
d)vbendothelinvb-vbcorrectvbanswer✔ ✔ a)vbangiotensinvbII
d)vbendothelin
whichvbofvbthevbfollowingvbfactorsvbcontributevbtovbvasodilation?
a)vbendothelin
b)vbnitricvboxide
c)vbangiotensin
d)vbprostaglandinsvb-vbcorrectvbanswer✔ ✔ b)vbnitricvboxide
d)vbprostaglandins
Whenvbthevbbodyvbisvbundergoingvbrenalvbcompensationvbinvbresponsevbtovbinc
reasedvbbloodvbpressure,vbwhichvbofvbthevbfollowingvbwouldvbyouvbexpectvbtovb
see?vbSelectvb2
a)vbdecreasedvburinevboutputvb(Oliguria)
TvborvbF:vbBloodvbpressurevbisvbavbmeasurevbofvbthevbvenousvbsystemicvbpressur
evb-vbcorrectvbanswer✔ ✔
False!vbBloodvbpressurevbisvbavbmeasurevbofvbthevbarterialvbbloodvbpressure,vb
thevbsystemvbthatvbsendsvbbloodvbtovbthevborgans
Systolicvbbloodvbpressurevb(top)vbisvbthevbmeasurevbofvbthevbheartvb_________v
b____________vb-vbcorrectvbanswer✔ ✔ duringvbcontraction
Diastolicvbbloodvbpressurevb(bottom)vbisvbthevbmeasurevbofvbthevbpressurevbofvb
circulationvbofvbthevbheartvb_________vb________vb-vbcorrectvbanswer✔ ✔
atvbrest
Whatvbisvbpulsevbpressure?vb-vbcorrectvbanswer✔ ✔
thevbdifferencevbbetweenvbsystolicvbandvbdiastolicvb
systolicvb-vbdiastolic
whatvbdoesvbpulsevbpressurevbindicate?vb-vbcorrectvbanswer✔ ✔
thevbresistancevbofvbthevbarteriesvbtovbbloodvbflow
,Whatvbdoesvbanvbincreasedvbpulsevbpressurevbindicate?vb-vbcorrectvbanswer✔
✔ rigidityvbofvbbloodvbvessels
AvbnursevbfindsvbtheirvbpatientvbtovbhavevbavblowvbMAPvb(meanvbarterialvbpulse)
.vbWhatvbisvbthevbnurse'svbmainvbconcern?vb-vbcorrectvbanswer✔ ✔
Organsvbarevbnotvbgettingvbadequatevbblood
(inadequatevbtissuevbperfusion)
Whatvbisvbstrokevbvolume?vb-vbcorrectvbanswer✔ ✔
thevbamountvbofvbbloodvbpumpedvbbyvbthevbleftvbventriclevbinvbonevbcontracti
on
whatvbisvbsystemicvbvascularvbresistance?vb-vbcorrectvbanswer✔ ✔
forcevbopposingvbmovementvbofvbbloodvbwithinvbbloodvbvessels
Whatvbisvbpreload?vb(ventricularvbfilling)vb-vbcorrectvbanswer✔ ✔
loadvbonvbventriclevbimmediatelyvbbeforevbcontraction
whatvbisvbafterload?vb-vbcorrectvbanswer✔ ✔
resistancevbleftvbventriclevbmustvbovercomevbtovbcirculatevbblood
Whatvbisvbthevbvasomotorvbcentre'svbsignificancevbtovbhypertension?vb-
vbcorrectvbanswer✔ ✔
, ThevbVasomotorvbcentrevbisvbthevbpartvbofvbthevbmedullavbthatvbregulatesvbBP
vb(e.g.vbVASOconstrictionvbandvbVASOdilation)
Whichvbofvbthevbfollowingvbfactorsvbcontributevbtovbvasoconstriction?
a)vbangiotensinvbII
b)vbnitricvboxide
c)vbprostaglandins
d)vbendothelinvb-vbcorrectvbanswer✔ ✔ a)vbangiotensinvbII
d)vbendothelin
whichvbofvbthevbfollowingvbfactorsvbcontributevbtovbvasodilation?
a)vbendothelin
b)vbnitricvboxide
c)vbangiotensin
d)vbprostaglandinsvb-vbcorrectvbanswer✔ ✔ b)vbnitricvboxide
d)vbprostaglandins
Whenvbthevbbodyvbisvbundergoingvbrenalvbcompensationvbinvbresponsevbtovbinc
reasedvbbloodvbpressure,vbwhichvbofvbthevbfollowingvbwouldvbyouvbexpectvbtovb
see?vbSelectvb2
a)vbdecreasedvburinevboutputvb(Oliguria)
