CRAT Exam (CertifiedRhythm Analysis
TechnicianPrep) Solved100%Correct!!
Pericardium- AnswerOuter protectivedouble-layeredsac surroundingtheheart.
Epicardium- AnswerThin outermostlayerof theheart, containscoronaryarteries.
Myocardium- AnswerMiddlemuscularlayerof theheart,containselectricalsystem.
Endocardium- AnswerInner mostlayerof theheart,lines chambersand valves.
Blood flow through the heart - Answer Venules--> Veins --> Superior/Inferior VC--> Rt atria-->
Tricuspid Valve --> Rt ventricle--> Pulmonaryvalve--> PulmonaryArtery
--> Lungs --> PulmonaryVeins --> Lt atria--> Bicuspid/Mitralvalve--> Lt ventricle--> Aortic
Valve --> Aorta --> Arteries--> Arterioles--> Capillaries--> Body
Deoxygenated blood(left side of heart) - Answer Venules--> Veins --> Superior/InferiorVC --> Rt
atria--> Tricuspid Valve --> Rt ventricle--> Pulmonaryvalve--> Pulmonary Artery
Oxygenatedblood(rightsideof heart)- AnswerPulmonaryVeins --> Lt atria--> Bicuspid/Mitral
valve--> Lt ventricle--> Aortic Valve--> Aorta --> Arteries--> Arterioles--> Capillaries
AtrioventricularValves(diastole)- AnswerValvesbetweentheatriaand ventricles.Tricuspid,
Bicuspid/Mitral. Regulates blood flow IN the heart.
Semilunar Valves(systole)
- Answer Pulmonary and Aortic valves separates
Ventriclesfrom
correspondingartery.RegulatesbloodflowOUT of theheart.
sinoatrialnode (SAnode)- AnswerPrimary pacemaker,60-100bpmintrinsic rate
atrioventricularnode (AV) node- Answer2nd pacemaker,40-60bpmintrinsic rate
Bundleof His - Answernormalconnection between
atria andventricles
bundlebranches- AnswerBranchesoff theBundleof His thatconductimpulsesto the left and
right ventricles
Purkinje fibers- Answerconductionsystemterminates
Automaticity- AnswerThe abilityof theheartto generateand conductelectricalimpulses on its
own.
Excitability- Answerabilityof cardiaccell to respondto animpulse
Conductivity- AnswerThe abilityof cardiaccell to conduct/transmit
an impulse.
Contractility- Answerabilityof cardiaccell to contract/pumpin responseto an electrical impulse.
TechnicianPrep) Solved100%Correct!!
Pericardium- AnswerOuter protectivedouble-layeredsac surroundingtheheart.
Epicardium- AnswerThin outermostlayerof theheart, containscoronaryarteries.
Myocardium- AnswerMiddlemuscularlayerof theheart,containselectricalsystem.
Endocardium- AnswerInner mostlayerof theheart,lines chambersand valves.
Blood flow through the heart - Answer Venules--> Veins --> Superior/Inferior VC--> Rt atria-->
Tricuspid Valve --> Rt ventricle--> Pulmonaryvalve--> PulmonaryArtery
--> Lungs --> PulmonaryVeins --> Lt atria--> Bicuspid/Mitralvalve--> Lt ventricle--> Aortic
Valve --> Aorta --> Arteries--> Arterioles--> Capillaries--> Body
Deoxygenated blood(left side of heart) - Answer Venules--> Veins --> Superior/InferiorVC --> Rt
atria--> Tricuspid Valve --> Rt ventricle--> Pulmonaryvalve--> Pulmonary Artery
Oxygenatedblood(rightsideof heart)- AnswerPulmonaryVeins --> Lt atria--> Bicuspid/Mitral
valve--> Lt ventricle--> Aortic Valve--> Aorta --> Arteries--> Arterioles--> Capillaries
AtrioventricularValves(diastole)- AnswerValvesbetweentheatriaand ventricles.Tricuspid,
Bicuspid/Mitral. Regulates blood flow IN the heart.
Semilunar Valves(systole)
- Answer Pulmonary and Aortic valves separates
Ventriclesfrom
correspondingartery.RegulatesbloodflowOUT of theheart.
sinoatrialnode (SAnode)- AnswerPrimary pacemaker,60-100bpmintrinsic rate
atrioventricularnode (AV) node- Answer2nd pacemaker,40-60bpmintrinsic rate
Bundleof His - Answernormalconnection between
atria andventricles
bundlebranches- AnswerBranchesoff theBundleof His thatconductimpulsesto the left and
right ventricles
Purkinje fibers- Answerconductionsystemterminates
Automaticity- AnswerThe abilityof theheartto generateand conductelectricalimpulses on its
own.
Excitability- Answerabilityof cardiaccell to respondto animpulse
Conductivity- AnswerThe abilityof cardiaccell to conduct/transmit
an impulse.
Contractility- Answerabilityof cardiaccell to contract/pumpin responseto an electrical impulse.
