CRAT TEST PREP Question and answers rated A+ 2024

CRAT TEST PREP Question and answers rated A+ 2024 The heart receives its blood supply through the two main coronary arteries its branches - correct answer Left Coronary Artery Right Coronary Artery The left coronary artery begins as a main stem called the - correct answer Left Main Coronary Artery (LMCA) • varies in length • Divides into 2 major branches ~ Left anterior descending artery (LAD) ~ Circumflex Artery (CX) Left anterior descending artery (LAD) - correct 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 Circumflex artery (CX) [back] - correct answer Runs along the groove between the left atrium and ventricle then winds around to the back (posterior) portion of the heart Obtuse marginal - correct answer Supplies the lateral and posterior wall of the left ventricle and left atrium The right coronary artery (RCA) - correct answer • Main coronary artery that runs in the groove between the right atrium and ventricle. • Supplies right atriu