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The Circulatory System (the Heart)
Terms in this set (32)
The Heart and blood vessels that carry blood to and from the body's organs is part of what system?
What side of the heart carries the blood to lung for gas exchange and is part of what circuit?
Pulmonary Circuit and the right side of the heart
What side of the heart that supplies blood to all organ of the body and is part of what circuit?
Systemic Circuit and the left side of the heart
Where is the heart located?
It is located in the mediastinum between the lungs
What allows heart to beat without friction, room to expand and resists expansion?
It is the heart of wall inner,thin,smooth,moist, serous layer and covers the heart surface. It also called Visceral pericardium.
What two superior and posterior chambers of the heart, and receive blood that return to the heart.
The Right and Left atria
What two inferior and anterior chamber, pump blood into arteries.
Right and Left ventricles
Ridges of myocardium in RA and both auricles
Ridges in both ventricles
Name 3 of the sulci in the heart.
Name the heart chambers of the heart.
Right and Left Atrium
Right and Left Ventricle
How many cusps do the right atrioventricular (AV) valves also called tricuspid valve.
How many cusps do the left atrioventricular (AV) also known as the mitral or bicuspid valve
This help control flow into great arteries.
What controls the right ventricle into pulmonary trunk.
What controls the left ventricle into aorta
What helps the valves open and close
the pressure gradients.
What happens when the ventricles is relaxing.
The pressure start to drops. Then the semilunar valves close and the AV valves opens and then blood flows from the atria to the ventricles
What happens when the ventricles is contracting
The AV valve close, the pressure start to rise then semilunar valve open and then blood flows into great vessels.
Failure to prevent reflux is called ?
1 out of 40, young women uses treatment for this procedure to replace a heart with an artificial or pig heart valve what is this called.
Mitral Valve Prolapse
When the opening is constricted by scar tissue is called
T/F when the heart is overworked or it gets bigger can it lead to heart failure.
When the reflux creates turbulence what is it
In the left coronary artery what supplies the blood into the interventricular septum and the anterior wall of ventricle; Supplies left arium and posterior wall left ventricle.
Anterior interventricular; circumflex
In the right coronary artery what supplies the lateral R atrium and ventricle and what is the posterior wall of ventricles
Marginal; Posterior Interventricular
Name the Branches of the Left and Right Coronary Arteries
Marginal branch, Circumflex branch, Anterior interventicular branch, and the Posterior interventicular branch
Partial obstruction of the coronary blood that can cause chest pain is
Long term and complete obstruction that can cause blot clot or atheroma is called
Myocardial Infarction (MI)
T/F can MI cause 90% of deaths in the USA
False only 50%
Infarction that weakens the heart wall and block electrical conduction can cause fibrillation and cardiac arrest
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