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CRAT TEST PREP (Anatomy) /Questions And Answers Updated
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CRAT TEST PREP (Anatomy) /Questions AndAnswers Updated 2023-2024
Quiz :The heart receives its blood supply through the two main coronary
arteries its branches - Answer :Left Coronary Artery
Right Coronary Artery
Quiz :The left coronary artery begins as a main stem called the - Answer :Left
Main Coronary Artery (LMCA)
• varies in length
• Divides into 2 major branches
~ Left anterior descending artery (LAD)
~ Circumflex Artery (CX)
Quiz :Left anterior descending artery (LAD) - Answer :Location: Front anterior
surface of the left ventricle
Supplies the anterior wall of the left ventricle, lateral wall and inter ventricular
septum.
Obstruction if this artery causes infarction of large muscular area in the left
ventricle and may be fatal
Quiz :Circumflex artery (CX) [back] - Answer :Runs along the groove between
the left atrium and ventricle then winds around to the back (posterior) portion
of the heart
Quiz :Obtuse marginal - Answer :Supplies the lateral and posterior wall of the
left ventricle and left atrium
Quiz :The right coronary artery (RCA) - Answer :• Main coronary artery that
runs in the groove between the right atrium and ventricle.
• Supplies right atrium and right ventricle inferior wall of left ventricle and
posterior portion of the interventricular septum
Quiz :Automaticity - Answer :Ability of the cardiac cell to initiate an impulse
Quiz :Excitability - Answer :Ability of the car excel to respond to an impulse
Quiz :Conductivity - Answer :Ability of the card excel to conduct or transmit
an impulse
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