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CVS 204 EXAM 1 NEWEST 2026/2027 ACTUAL EXAM
QUESTIONS AND CORRECT DETAILED ANSWERS (VERIFIED
ANSWERS) |A+ GRADED||SURE PASS!!!
What is the blood supply to the SA node? - ANSWER-RCA (70%)
and LCx (25%)
From which artery can the SA nodal artery arise? - ANSWER-Left
circumflex artery (LCx)
Which arteries can perfuse the SA node? - ANSWER-RCA and
LCx
What is the course of the right coronary artery? - ANSWER-
Between the pulmonary artery and right atrium and ventricle.
Where does the right coronary artery curve around? - ANSWER-
The right border of the heart.
What are the two branches that the right coronary artery
divides into? - ANSWER-Transverse branch and descending
branch.
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What is the marginal branch? - ANSWER-A branch off the right
coronary artery past the bifurcation.
What areas of the heart does the right coronary artery usually
supply blood to? - ANSWER-Inferior wall, basal interventricular
septum, basal posterior wall, and right ventricular free wall.
What is the conus artery? - ANSWER-An important branch that
may serve as collateral.
What happens if the conus artery does not have its own
ostium? - ANSWER-It becomes the first branch off the right
coronary artery.
What are the branches of the left coronary artery? - ANSWER-
Left anterior descending and left circumflex arteries.
What are the diagonal left ventricular branches? - ANSWER-
Branches off the left main coronary artery.
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What does the left anterior descending artery supply? -
ANSWER-Apex, basal and mid interventricular septum, and
anterior walls.
Where do the diagonal left ventricular branches lie? - ANSWER-
Diagonally over the free wall between the left circumflex
arteries.
What does the left circumflex feed? - ANSWER-Mid and basal
lateral wall and mid posterior wall.
Where does the pulmonary artery begin? - ANSWER-At the
pulmonic valve level.
What does the pulmonary artery bifurcate into? - ANSWER-
Right and left pulmonary arteries.
What is the range of pulmonary capillary pressures at rest? -
ANSWER-7-10 mmHg.
CVS 204 EXAM 1 NEWEST 2026/2027 ACTUAL EXAM
QUESTIONS AND CORRECT DETAILED ANSWERS (VERIFIED
ANSWERS) |A+ GRADED||SURE PASS!!!
What is the blood supply to the SA node? - ANSWER-RCA (70%)
and LCx (25%)
From which artery can the SA nodal artery arise? - ANSWER-Left
circumflex artery (LCx)
Which arteries can perfuse the SA node? - ANSWER-RCA and
LCx
What is the course of the right coronary artery? - ANSWER-
Between the pulmonary artery and right atrium and ventricle.
Where does the right coronary artery curve around? - ANSWER-
The right border of the heart.
What are the two branches that the right coronary artery
divides into? - ANSWER-Transverse branch and descending
branch.
,2|Page
What is the marginal branch? - ANSWER-A branch off the right
coronary artery past the bifurcation.
What areas of the heart does the right coronary artery usually
supply blood to? - ANSWER-Inferior wall, basal interventricular
septum, basal posterior wall, and right ventricular free wall.
What is the conus artery? - ANSWER-An important branch that
may serve as collateral.
What happens if the conus artery does not have its own
ostium? - ANSWER-It becomes the first branch off the right
coronary artery.
What are the branches of the left coronary artery? - ANSWER-
Left anterior descending and left circumflex arteries.
What are the diagonal left ventricular branches? - ANSWER-
Branches off the left main coronary artery.
, 3|Page
What does the left anterior descending artery supply? -
ANSWER-Apex, basal and mid interventricular septum, and
anterior walls.
Where do the diagonal left ventricular branches lie? - ANSWER-
Diagonally over the free wall between the left circumflex
arteries.
What does the left circumflex feed? - ANSWER-Mid and basal
lateral wall and mid posterior wall.
Where does the pulmonary artery begin? - ANSWER-At the
pulmonic valve level.
What does the pulmonary artery bifurcate into? - ANSWER-
Right and left pulmonary arteries.
What is the range of pulmonary capillary pressures at rest? -
ANSWER-7-10 mmHg.
