Exam 2: NU606/ NU 606 (New 2025/ 2026 Update) Advanced Pathophysiology Guide| Qs & As| Grade A| 100% Correct (Verified Answers)- Regis

Examl2:lNU606/lNUl606l(NewlUpdate)l
AdvancedlPathophysiologylGuide|lQsl&lAs|l
GradelA|l100%lCorrectl(VerifiedlAnswers)l–
lRegis

QUESTION
AcutelMyocardiallInfarctionl(MI,lheartlattack)


Answer:
life-
threateninglconditionlthatloccurslwhenlbloodlflowltolthelheartlmusclelislabruptlylcutloff,lcausin
gltissueldeathltolthelheart;lusuallyldueltolalblockagelinlonelorlmoreloflthelcoronarylarteries




QUESTION
Afterlhavinglalheartlattack,lwhatlareltheselpatientslarelanlincreasedlrisklfor?


Answer:
heartlfailure,lcardiogeniclshockl(heartlsuddenlylcan'tlpumplenoughlbloodltolmeetlyourlbody'sln
eeds),lpericarditis,lclots,lruptureloflthelheart,landlventricularlaneurysms




QUESTION
Whatlislmyocardiallischemia?lAtherosclerosislcanlcauselit,lbutlcanlvasospasmlbelalcontributing
lfactor?


Answer:
occurslwhenlbloodlflowltolyourlheartlislreduced,lpreventinglthelheartlmusclelfromlreceivinglen
oughloxygen;lyes

,QUESTION
Chroniclstablelanginalvslunstablelangina:lstablelanginaloccurslwithlexertionlwhilelunstablelangi
nalcomeslonlwhilelthelpatientlislatlrest


Answer:
stablelanginaloccurslbecauselthelbloodlgoingltolthelheartlmusclelislnotlenoughltolcoverlforlthel
extralworkloadlinlexercise.lUnstablelanginaloccurslbecauselalbloodlclotlblockslanlarterylsupply
inglthelheartlmuscle




QUESTION
Stenosislislwhenlthelvalvelwilllnotlopenlalllthelway


Answer:
itlislharderltolforcelbloodlthroughlit;lwilllhearlmurmurloflbloodlshootinglthroughlthelnarrowlop
eninglwhenlthelvalvelislopen




QUESTION
Whatlislregurgitationlislthelvalvelwilllnotlcloselalllthelway


Answer:
itlleakslwhenl"closed.";lwilllhearlalmurmurloflbloodlleakinglbacklthroughlwhenlthelvalvelshoul
dlbelclosed




QUESTION
IflAVlvalveslleadinglintolthelventriclesldolnotlworkl-->lmitrallorltricuspidlproblems


Answer:
Iflsemilunarlvalveslleadingloutloflthelventriclesldolnotlworkl-->laorticlorlpulmonarylproblems

,QUESTION
Mitrallvalvelstenosis


Answer:
islcharacterizedlbylfibrouslreplacementloflthelvascularltissue,lalonglw/lstiffnesslandlfusionloflth
elvalvelapparatus;lcanlcauselpulmonarylcongestion




QUESTION
Mitrallvalvelregurgitation


Answer:
islcharacterizedlbylthelincompletelclosureloflthelmitrallvalve




QUESTION
Whatlcauseslmitrallvalvelregurgitation?


Answer:
itlcanlbelcausedlbylprocesseslthatlresultlinlalrigidlandlthickenedlvalvelsuchlaslinlthelcaseloflRh
eumaticlheartldiseasel(RHS)landlcanlbelcausedlbylthelruptureloflthelchordaeltendineaeldueltola
nlMIlandlmanylotherlways




QUESTION
Mitrallvalvelprolapse


Answer:
pathologiclfindingslincludeltheldegenerationloflmitrallvalvelleafletslthatlcauseslthemltolbelbeco
melenlargedlandlfloppylsolthatltheylprolapselorlballoonlbacklintolthelleftlatriumlduringlsystole

, QUESTION
Aorticlvalvelstenosis


Answer:
islcharacterizedlbylthelnarrowingloflthelvalvelorificelwithlincreasedlresistanceltolejectionloflblo
odlfromlthelleftlventriclelintolthelaorta




QUESTION
Aorticlvalvelregurgitation


Answer:
islthelresultloflanlincompetentlaorticlvalvelthatlallowslbloodltolflowlbackltolthelventriclelduring
ldiastole




QUESTION
Mitrallvalvelprolapselislalsolknownlas:


Answer:
Floppylmitrallvalvelsyndrome




QUESTION
Whatlarelthelmajorlmechanismslinlwhichlantibioticslinhibitlorlkilllbacteria?


Answer:
bylinhibitinglcelllwall,lproteinlandlnucleiclacidlsynthesislandlmetabolism




QUESTION
Howldolantiviralslwork?