Term
On a surface projection, the apex of the heart is found at the: |
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Definition
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Term
The layer of the heart wall that is composed of cardiac muscle tissue is the: |
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Definition
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Term
Which of the following is the correct route of blood through the heart from the systemic circulation to the pulmonary circulation and back to the systemic circulation? |
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Definition
Right atrium,
tricuspid valve,
right ventricle,
pulmonary valve,
left atrium,
mitral valve,
left ventricle,
aortic valve |
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Term
Which of the following vessels carries the most highly oxygenated blood? |
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Definition
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Term
Which chambers of the heart can occupy a greater volume of blood? |
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Definition
Right atrium, right ventricle, left atrirum, left ventricle
(Two of the above) |
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Term
Which of the following sequences correctly represents the conduction of an impulse through the heart? |
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Definition
SA node,
AV node,
AV bundle,
bundle branches |
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Term
The outermost layer of the heart, the ___________ is also the innermost layer of the serous pericardium, the _____________. |
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Definition
Epicardium, Visceral Pericardium |
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Term
The first two vessels to branch from the ascending aorta are the ________ and the __________. |
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Definition
Right coronary artery, Left coronary artery |
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Term
The first heart sound that is created by turbulence of bloos at the closing of the _________ valves. |
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Definition
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Term
The branch of the ledt coronary artery that lies in the coronary sulcus and distributes oxygenated blood to the walls of the ledt atrium and ventricles is the __________. |
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Definition
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Term
During the period of ventricular filling, the AV valves are in the __________ position, and the semilunar valves are in the ____________. |
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Definition
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Term
The term _____________ refers to the contraction of a heart chamber, and the word _____________ refers to the relaxation of the heart chamber. |
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Definition
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Term
The heart chamber with the thickest wall is the __________. |
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Definition
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Term
The ___________ point of the heart is located in the fifth left intercostal space, abourt 9 cm to the left of the midline. |
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Definition
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Term
Trabaculae carnae are ridges located on the inner surfaces of the right and left ventricles. |
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Definition
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Term
The inferior vena cava passes through the diaphragm. |
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Definition
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Term
Blood passes into the aorta from the left ventricle. |
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Definition
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Term
Blood in the coronary sinus flows into the righr atrium. |
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Definition
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Term
Most of ventricular filling occurs during atrial systole. |
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Definition
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Term
The Purkinje fibers distribute action potentials first to the apex of the ventricles, the superiorly to the remainder of the ventricles. |
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Definition
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Term
Chordae tendineae attach AV valve cusps to papillary muscles. |
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Definition
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Term
The visceral layer of the serous pericardium is also called the epicardium. |
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Definition
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Term
Prevents backflow of blood into left ventricle
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Definition
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Term
Prevents backflow of blood into right ventricle |
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Definition
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Term
Also called the mitral valve / Located between the left atrium and left ventricle |
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Definition
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Term
Prevents backflow of blood into right atrium / Located between the right atrium and the right ventricle. |
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Definition
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