CSC CERTIFICATION EXAM PREP QUESTIONS
WITH 100% CORRECT ANSWERS
CSC
STUDYGLOBAL 4/27/25 CSC
, What does the RCA perfuse? - Accurate answers Inferior wall, RA, SA Node, AV node, RV, Posterior
portion of the septum, Posterior wall, Bundle of His
What does the LMA perfuse? - Accurate answers Bifurcates into the: LAD (Left Anterior
Descending), Left Circumflex Artery
What does the LAD perfuse? - Accurate answers Septal & Anterior Wall, Front & apex of LV,
Interventricular septum, anterior pap muscle, most of the R & L bundle branches, Bundle of His
What is the most commonly occluded artery? - Accurate answers LMA
What does the Left Circumflex perfuse? - Accurate answers Lateral Wall, LA, Back of LV, Posterior
wall in 10% of pop
Ramus artery - Accurate answers 20% of the population has it. Tertiary left main; runs along the LV,
between the LAD & circumflex
SVR - Accurate answers Systemic Vascular Resistance- the resistance the LV has to overcome to
eject. (Afterload)
PVR - Accurate answers Peripheral vascular resistance: the resistance the RV has to overcome to
eject
S1 - Accurate answers Closure of the MV and TV; Systole; 1/3 of the cardiac cycle "Lub"
S2 - Accurate answers Closure of the pulmonic and aortic valve; Diastole; 2/3 of the cardiac cycle;
DUB
S3 - Accurate answers Auscultated in fluid overload; when preload is elevated; KENTUCKY
S3 is normal in which popuation(s)? - Accurate answers Normal in kids, high CO like pregnancy (3rd
trimester)
S4 - Accurate answers Atrial gallop (pre-systolic); sound caused by vibration of atria ejecting into
non compliant ventricle; Tennessee
WITH 100% CORRECT ANSWERS
CSC
STUDYGLOBAL 4/27/25 CSC
, What does the RCA perfuse? - Accurate answers Inferior wall, RA, SA Node, AV node, RV, Posterior
portion of the septum, Posterior wall, Bundle of His
What does the LMA perfuse? - Accurate answers Bifurcates into the: LAD (Left Anterior
Descending), Left Circumflex Artery
What does the LAD perfuse? - Accurate answers Septal & Anterior Wall, Front & apex of LV,
Interventricular septum, anterior pap muscle, most of the R & L bundle branches, Bundle of His
What is the most commonly occluded artery? - Accurate answers LMA
What does the Left Circumflex perfuse? - Accurate answers Lateral Wall, LA, Back of LV, Posterior
wall in 10% of pop
Ramus artery - Accurate answers 20% of the population has it. Tertiary left main; runs along the LV,
between the LAD & circumflex
SVR - Accurate answers Systemic Vascular Resistance- the resistance the LV has to overcome to
eject. (Afterload)
PVR - Accurate answers Peripheral vascular resistance: the resistance the RV has to overcome to
eject
S1 - Accurate answers Closure of the MV and TV; Systole; 1/3 of the cardiac cycle "Lub"
S2 - Accurate answers Closure of the pulmonic and aortic valve; Diastole; 2/3 of the cardiac cycle;
DUB
S3 - Accurate answers Auscultated in fluid overload; when preload is elevated; KENTUCKY
S3 is normal in which popuation(s)? - Accurate answers Normal in kids, high CO like pregnancy (3rd
trimester)
S4 - Accurate answers Atrial gallop (pre-systolic); sound caused by vibration of atria ejecting into
non compliant ventricle; Tennessee
