Ch. 20- Cardiovascular System
The chambers of the human heart include __.
2 atria & 2 ventricles
The groove between the ventricles on the anterior surface of the heart is the anterior ______ sulcus.
interventricular
The groove that is between the ventricles on the back of the heart is the posterior ______ sulcus.
interventricular
The artery that travels under the left auricle and then divides into the circumflex artery, the anterior interventricular artery, and a marginal artery is the ______ artery.
left coronary
Identify the branches of the right coronary artery. Select all that apply.
posterior interventricular artery right marginal artery
The artery that runs along the coronary sulcus, and supplies blood to the right ventricle and the posterior, inferior heart muscle is the ______ artery.
right coronary
The right marginal artery and the posterior interventricular artery are branches of the _______ _________ artery.
right; coronary
During which phase of the cardiac cycle does blood flow through the coronary circulation?
ventricular diastole
When does blood flow through the coronary circulation increase?
ventricular diastole
The blood vessels that supply nutrients and oxygen only to the heart muscle make up the specific type of circulation called the ______ circulation.
coronary
A direct connection between multiple arteries that provides an alternate route of blood flow if blockage occurs is an arterial ______.
anastomosis
A direct connection between two arteries that provides an alternate route of blood flow if blockage occurs is called an arterial ___________
anastomosis
The right and left coronary arteries arise from the __________
aorta
The coronary sulcus is between ______.
atria and ventricles
The chambers of the human heart are the right and left ______ and the right and left ________.
atria; ventricles
In the posterior atrioventricular sulcus is a large vein called the ______ that collects venous drainage from all of the coronary veins and drains into the right atrium.
coronary sinus
The majority of the venous drainage from the coronary veins is collected by the ________ _________which then drains into the right atrium.
coronary sinus
Identify the vessels that return deoxygenated blood to the right atrium. Select all that apply.
coronary sinus inferior vena cava superior vena cava
Which groove encircles the heart, separating the atria from the ventricles?
coronary sulcus
The right coronary artery runs along the ______ sulcus and supplies blood to the ______
coronary; right ventricle
The three vessels that return deoxygenated blood to the right atrium are the______ veins and the superior and inferior _______ _______.
coronary; vena cava
True or false: The coronary circulation is made up of all of the systemic blood vessels.
false
The blood vessel that collects venous drainage from the left side of the heart and travels alongside the anterior interventricular artery is the _________ _________ vein.
great cardiac
The blood vessel that collects blood from the left side of the heart is the ______.
great cardiac vein
