CVS 204 Exam 2 with all Correct & 100% Verified
Answers |Guaranteed to Pass |Already Graded A+
Define stroke volume (SV) ✔Correct Answer-amount of blood ejected by the LV during each
systolic contraction
Equation for SV ✔Correct Answer-= EDV-ESV
Normal value for SV ✔Correct Answer-70-110 mL
Define ejection fraction(EF) ✔Correct Answer-precentage of blood being ejected from the LV
duting systole
Equation for EF ✔Correct Answer-=SV/EDV*100
Normal value for EF ✔Correct Answer-greater than 50% up to 75 %
Define cardiac output (CO) ✔Correct Answer-amount of blood pumped out by each ventricle in
one minute
Equation for CO ✔Correct Answer-HR x SV
Normal Value of CO ✔Correct Answer-4-8 liters per minute
Define Fractional Shortening (FS) ✔Correct Answer-the precentage of change between end
diastolic internal dimension and end systolic internal dimension
Equation for FS ✔Correct Answer-LVIDd-LVIDs/LVIDd*100
Normal value for FS ✔Correct Answer-30-50 % about half the EF
Frank-Starling Law ✔Correct Answer-the greater the stretch, the stronger is the heart's
contraction.
Preload ✔Correct Answer-load or volume exerted on the ventricle at the end of diastole
Afterload ✔Correct Answer-the resistance against which the heart must pump
what increases preload ? ✔Correct Answer--mitral regurgitation
-tricupsid " "
-pulmonic ""
-Ventricular and atrial septal defects
-Fluid overload
what increases afterload? ✔Correct Answer--hypertension
-aortic stenosis
-pulmonic ""
preload=volume increase ✔Correct Answer-= thin walls (dilatation)
, afterload=pressure ✔Correct Answer-=thick walls (hypertrophy)
Coronaries perfuse the heart with __________ blood ✔Correct Answer-oxygenated
When is the myocardium perfused? ✔Correct Answer-during diastole
the coronary arteries are branches off the ✔Correct Answer-aortic root
the oxygen reguirements of the myocardium continously matched by what ? ✔Correct Answer-
coronary arterial supply
what does the oxygen supply depend on ? ✔Correct Answer-oxygen content of the blood and rate
of coronary blood flow
what are the two main coronary arteries ? ✔Correct Answer-right and left
what do the right and left coronary arteries arise from ? ✔Correct Answer-sinuses of valsalva
what does the Left main coronary artery (LMCA) divide into? ✔Correct Answer--Left Anterior
Descending (LAD)
-Left Circumflex (LCx)
The LAD divides into: ✔Correct Answer-septal and diagonal branches
Diagonal branches: ✔Correct Answer--we can see
-LAD prefuses the anterior portion of the heart towards the apex
Septal branches ✔Correct Answer-perfuse the anterior 2/3rds of the IVS and the apical portion of
the anterior pap muscle
LCx branches: ✔Correct Answer-obtuse marginal
obtuse marginal branches ✔Correct Answer-perfuse the lateral and posterior wall of the LV
The LCx perfuses: ✔Correct Answer-the posterior surface of the heart
What is the largest branch of the RMCA? ✔Correct Answer-Posterior Descending Artery (PDA)
The PDA: ✔Correct Answer-originates at the distal RCA perfusing the inferior an posterior walls of
the LV
RMCA perfuses: ✔Correct Answer-the RV
The Right Main Coronary Artery (RMCA) branches into: ✔Correct Answer--Acute Marginal Arteries
-Posterior Descending Arteries
-AV nodal
right dominant is when ✔Correct Answer-the AV nodal artery arises off the RCA -
-85 %
Answers |Guaranteed to Pass |Already Graded A+
Define stroke volume (SV) ✔Correct Answer-amount of blood ejected by the LV during each
systolic contraction
Equation for SV ✔Correct Answer-= EDV-ESV
Normal value for SV ✔Correct Answer-70-110 mL
Define ejection fraction(EF) ✔Correct Answer-precentage of blood being ejected from the LV
duting systole
Equation for EF ✔Correct Answer-=SV/EDV*100
Normal value for EF ✔Correct Answer-greater than 50% up to 75 %
Define cardiac output (CO) ✔Correct Answer-amount of blood pumped out by each ventricle in
one minute
Equation for CO ✔Correct Answer-HR x SV
Normal Value of CO ✔Correct Answer-4-8 liters per minute
Define Fractional Shortening (FS) ✔Correct Answer-the precentage of change between end
diastolic internal dimension and end systolic internal dimension
Equation for FS ✔Correct Answer-LVIDd-LVIDs/LVIDd*100
Normal value for FS ✔Correct Answer-30-50 % about half the EF
Frank-Starling Law ✔Correct Answer-the greater the stretch, the stronger is the heart's
contraction.
Preload ✔Correct Answer-load or volume exerted on the ventricle at the end of diastole
Afterload ✔Correct Answer-the resistance against which the heart must pump
what increases preload ? ✔Correct Answer--mitral regurgitation
-tricupsid " "
-pulmonic ""
-Ventricular and atrial septal defects
-Fluid overload
what increases afterload? ✔Correct Answer--hypertension
-aortic stenosis
-pulmonic ""
preload=volume increase ✔Correct Answer-= thin walls (dilatation)
, afterload=pressure ✔Correct Answer-=thick walls (hypertrophy)
Coronaries perfuse the heart with __________ blood ✔Correct Answer-oxygenated
When is the myocardium perfused? ✔Correct Answer-during diastole
the coronary arteries are branches off the ✔Correct Answer-aortic root
the oxygen reguirements of the myocardium continously matched by what ? ✔Correct Answer-
coronary arterial supply
what does the oxygen supply depend on ? ✔Correct Answer-oxygen content of the blood and rate
of coronary blood flow
what are the two main coronary arteries ? ✔Correct Answer-right and left
what do the right and left coronary arteries arise from ? ✔Correct Answer-sinuses of valsalva
what does the Left main coronary artery (LMCA) divide into? ✔Correct Answer--Left Anterior
Descending (LAD)
-Left Circumflex (LCx)
The LAD divides into: ✔Correct Answer-septal and diagonal branches
Diagonal branches: ✔Correct Answer--we can see
-LAD prefuses the anterior portion of the heart towards the apex
Septal branches ✔Correct Answer-perfuse the anterior 2/3rds of the IVS and the apical portion of
the anterior pap muscle
LCx branches: ✔Correct Answer-obtuse marginal
obtuse marginal branches ✔Correct Answer-perfuse the lateral and posterior wall of the LV
The LCx perfuses: ✔Correct Answer-the posterior surface of the heart
What is the largest branch of the RMCA? ✔Correct Answer-Posterior Descending Artery (PDA)
The PDA: ✔Correct Answer-originates at the distal RCA perfusing the inferior an posterior walls of
the LV
RMCA perfuses: ✔Correct Answer-the RV
The Right Main Coronary Artery (RMCA) branches into: ✔Correct Answer--Acute Marginal Arteries
-Posterior Descending Arteries
-AV nodal
right dominant is when ✔Correct Answer-the AV nodal artery arises off the RCA -
-85 %
