EKG PRACTICE TEST QUESTIONS AND CORRECT VERIFIED ANSWERS

EKG PRACTICE TEST QUESTIONS AND
CORRECT VERIFIED ANSWERS
WhatA2isA2theA2forceA2theA2heartA2hasA2toA2pushA2against?A2-A2Ans--Afterload

WhatA2isA2theA2pointA2ofA2theA2heartA2thatA2pointsA2inferiorlyA2towardA2theA2leftA2hip?A2-
A2Ans--apexA2ofA2theA2heart


TheA2topA2chambersA2ofA2theA2heartA2thatA2areA2separatedA2byA2interatrialA2septumA2areA2
called?A2-A2Ans--atria

ThisA2isA2locatedA2b/tA2theA2atriaA2andA2ventriclesA2-A2Ans--AtrioventricularA2valveA2
AKA:A2AVA2valve

TheA2valvesA2ofA2theA2heartA2are.....A2-A2Ans--
flapsA2ofA2fibrousA2tissueA2firmlyA2anchoredA2toA2theA2AnuliA2fibrosiA2Cordis.A2PreventA2ba
ckflow.

WhatA2isA2valveA2b/tA2theA2rightA2atriumA2andA2rightA2ventricle?A2-A2Ans--TricuspidA2valve

WhatA2isA2theA2valveA2b/tA2theA2leftA2atriumA2andA2leftA2ventricle?A2-A2Ans--Bicuspid/
A2MitralA2valve


WhatA2doA2youA2callA2theA2broadA2flatA2partA2ofA2theA2heartA2thatA2pointsA2towardA2theA2rig
htA2shoulder?A2-A2Ans--baseA2ofA2theA2heart

TheA2amountA2ofA2bloodA2theA2heartA2pumpsA2inA21A2minA2isA2called?
A2andA2whatA2isA2itsA2normal?A2-A2Ans--CardiacA2Output
4-8A2L

TheseA2areA2tendensA2thatA2holdA2theA2AVA2valveA2inA2placeA2soA2itA2preventsA2itA2fromA2s
wingingA2upwardA2intoA2theA2atria....A2-A2Ans--ChordaeA2Tendineae

ThisA2drugA2effectA2onA2theA2heartA2willA2changeA2theA2heartA2rate?A2-A2Ans--
ChronotropicA2effect

AA2drugA2thatA2hasA2chronotropicA2effectsA2canA2beA2_______A2orA2________?A2-A2Ans--
positiveA2orA2negative

AA2positiveA2chronotropicA2drugA2effectA2willA2_____A2hr?A2-A2Ans--increase

AA2negativeA2chronotropicA2drugA2effectA2willA2_____A2hr?A2-A2Ans--decrease

ThisA2isA2theA2restingA2phaseA2ofA2theA2heart?A2-A2Ans--Diastole

, WhatA2isA2theA2innerA2mostA2layerA2ofA2theA2heartA2called?
A2ItA2isA2continousA2withA2theA2innerA2layerA2ofA2bloodA2vessels.A2-A2Ans--endocardium


WhatA2isA2theA2outerA2mostA2layerA2ofA2theA2heartA2called?
A2ItsA2theA2outerA2surfaceA2andA2greatA2vessels.A2-A2Ans--Epicardium


WhatA2drugA2effectA2effectsA2theA2strengthA2ofA2theA2contractionsA2ofA2theA2heart?A2-
A2Ans--inotropicA2effect


AA2positiveA2inotropicA2effectA2increasesA2_______A2ofA2heart.A2-A2Ans--strength

AA2negativeA2______A2effectA2decreasesA2strengthA2ofA2heart.A2-A2Ans--inotropic

WhatA2isA2theA2middleA2muscleA2layerA2ofA2theA2heart?
A2ItA2consistsA2ofA2bandsA2ofA2muscleA2fibersA2thatA2contractA2creatingA2theA2pumplikeA2act
ionA2neededA2toA2pumpA2bloodA2through.A2-A2Ans--Myocardium

ThisA2isA2theA2outerA2coveringA2layer?A2AA2doubleA2wallA2sacA2aroundA2theA2heart.A2-
A2Ans--Pericardium


TheA2primaryA2FunctionA2ofA2theA2PericardiumA2isA2to?A2-A2Ans--PROTECTA2theA2heart
ANCHORA2heartA2toA2structures
PREVENTA2heartA2fromA2overfilling

RefersA2toA2theA2defreeA2thatA2theA2myocardialA2fiverA2isA2stretchedA2priorA2toA2contraction
.A2alsoA2relatedA2toA2volume,A2whenA2theA2heartA2chambersA2fillA2withA2blood?A2-A2Ans--
Preload

WhereA2isA2theA2preloadA2bestA2measuredA2at?A2-A2Ans--venaA2cava

YouA2haveA2twoA2semilunarA2valvesA2whatA2areA2theyA2called?A2-A2Ans--
PulmonaryA2semilunarA2andA2AorticA2semilunar

TheA2pulmonaryA2semilunarA2valveA2isA2theA2______A2tractA2ofA2theA2rightA2ventricle?A2-
A2Ans--outflow


TheA2aorticA2semilunarA2valveA2isA2theA2outflowA2tractA2ofA2theA2theA2____A2ventricle?A2-
A2Ans--left


DuringA2_____A2phaseA2theA2semilunarA2valvesA2preventA2backA2flowA2ofA2bloodA2intoA2th
eA2ventricles?A2-A2Ans--Diastole

DuringA2______A2phaseA2theA2pulmonaryA2pumpsA2bloodA2toA2theA2______?A2-A2Ans--
Systole
lungs