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CVS 204 EXAM 1 NEWEST 2025/ 2026 ACTUAL EXAM
QUESTIONS AND CORRECT DETAILED ANSWERS (VERIFIED
ANSWERS) |A+ GRADED|| LATEST EXAM!!!
What is the composition of the muscular portion of the IVS? -
ANSWER-Smooth muscle and trabeculae carnae
What does the Intra-atrial Septum separate? - ANSWER-The
right and left atria
What is the thin area in the intra-atrial septum called? -
ANSWER-Fossa ovalis
What is the fossa ovalis? - ANSWER-The central portion of the
IAS with a slight depression.
What does the fossa ovalis represent? - ANSWER-The closed
foramen ovale of the fetal circulation.
What does the main pulmonary artery carry? - ANSWER-
Deoxygenated blood.
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What type of blood do most arteries carry? - ANSWER-
Oxygenated blood.
What type of blood do pulmonary veins carry? - ANSWER-
Oxygenated blood.
What type of blood do most veins carry? - ANSWER-
Deoxygenated blood.
What are the oxygen requirements of the myocardium
continuously matched by? - ANSWER-Coronary arterial supply
What are the two main coronary arteries? - ANSWER-Right and
left coronary arteries
Where do the right and left coronary arteries arise from? -
ANSWER-Coronary cusp in the sinuses of valsalva
What is perfusion? - ANSWER-The process of delivering blood
to a tissue.
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What factors can influence coronary artery flow? - ANSWER-
Coronary artery disease, heart rate, and diastolic pressures.
When does myocardial perfusion occur? - ANSWER-During
diastole, the relaxation phase of the cardiac cycle.
What happens during systole? - ANSWER-Aortic valve opens
and aortic cusps cover coronary artery opening.
What is the Sinus of Valsalva? - ANSWER-Location of coronary
arteries.
How is systolic flow impaired? - ANSWER-Compression of small
coronary branches in contracting myocardium.
What happens during diastole? - ANSWER-Blood flows
backward, filling the Sinuses of Valsalva.
What happens if the demand exceeds the supply? - ANSWER-
Ischemia (inadequate blood supply) will result.
CVS 204 EXAM 1 NEWEST 2025/ 2026 ACTUAL EXAM
QUESTIONS AND CORRECT DETAILED ANSWERS (VERIFIED
ANSWERS) |A+ GRADED|| LATEST EXAM!!!
What is the composition of the muscular portion of the IVS? -
ANSWER-Smooth muscle and trabeculae carnae
What does the Intra-atrial Septum separate? - ANSWER-The
right and left atria
What is the thin area in the intra-atrial septum called? -
ANSWER-Fossa ovalis
What is the fossa ovalis? - ANSWER-The central portion of the
IAS with a slight depression.
What does the fossa ovalis represent? - ANSWER-The closed
foramen ovale of the fetal circulation.
What does the main pulmonary artery carry? - ANSWER-
Deoxygenated blood.
,2|Page
What type of blood do most arteries carry? - ANSWER-
Oxygenated blood.
What type of blood do pulmonary veins carry? - ANSWER-
Oxygenated blood.
What type of blood do most veins carry? - ANSWER-
Deoxygenated blood.
What are the oxygen requirements of the myocardium
continuously matched by? - ANSWER-Coronary arterial supply
What are the two main coronary arteries? - ANSWER-Right and
left coronary arteries
Where do the right and left coronary arteries arise from? -
ANSWER-Coronary cusp in the sinuses of valsalva
What is perfusion? - ANSWER-The process of delivering blood
to a tissue.
, 3|Page
What factors can influence coronary artery flow? - ANSWER-
Coronary artery disease, heart rate, and diastolic pressures.
When does myocardial perfusion occur? - ANSWER-During
diastole, the relaxation phase of the cardiac cycle.
What happens during systole? - ANSWER-Aortic valve opens
and aortic cusps cover coronary artery opening.
What is the Sinus of Valsalva? - ANSWER-Location of coronary
arteries.
How is systolic flow impaired? - ANSWER-Compression of small
coronary branches in contracting myocardium.
What happens during diastole? - ANSWER-Blood flows
backward, filling the Sinuses of Valsalva.
What happens if the demand exceeds the supply? - ANSWER-
Ischemia (inadequate blood supply) will result.
