Circulations Exam Questions and Answers
(Latest 2026)
The right coronary artery typically branches into the right
______ artery, which supplies the lateral wall of the right
ventricle, and the posterior ______ artery, which supplies the
posterior surface of both the left and right ventricles. -
Correct Answers ✅marginal, interventricular
The fossa ovalis is a remnant of the __________ of the fetus. -
Correct Answers ✅foramen ovale
The ______ cardiac vein runs alongside the ______
interventricular artery - Correct Answers ✅great, anterior
The coronary sinus drains directly into the ______ atrium of
the heart. - Correct Answers ✅right
In fetal circulation: Since it is the right side of the heart that
sends blood to the lungs, blood is shunted from the right
atrium to the left atrium by traveling through the ______ and
pushing the septum primum to the ______. - Correct
Answers ✅foramen ovale, left
The coronary vessels are ______ when the heart contracts
which ______ blood flow through them. - Correct Answers
✅compressed, impedes
, CSCC BIO 2300 Unit 4 Concept E: Special
Circulations Exam Questions and Answers
(Latest 2026)
The ______ arteries are the only branches of the ascending
aorta. - Correct Answers ✅coronary
True or false: The common hepatic artery does not have a
corresponding vein of the same name. - Correct Answers
✅True (Both the celiac and common hepatic artery do not
have corresponding veins of the same name.)
In the fetus: After the septum primum and secondum fuse,
the only remnant of the embryonic opening is an oval-shaped
depression in the interatrial septum called the ______. -
Correct Answers ✅fossa ovalis
The ______ cardiac vein runs alongside the ______
interventricular artery. - Correct Answers ✅middle,
posterior
A passageway that detours blood away from the pulmonary
circulation into the systemic circulation prior to birth is called
the ______. - Correct Answers ✅foramen ovale
Normally, flow is evenly distributed throughout the thickness
of the myocardium. Under certain circumstances, however,
coronary flow may be reduced, especially to the regions
immediately ______ to the ______. - Correct Answers
✅external, endocardium