The Heart - 13.2c - The Heart Valves Flashcards
Atrioventricular valves are found between the ___________ and ventricles.
Atria
Semilunar valves are found between the ____________ and the arteries leaving the heart.
Ventricles
Atrioventricular valves are attached to ________________ and ________________muscles.
Chordae tendinae
Papillary muscles
Semilunar valves DO NOT have ______________ and _______________ .
Chordae tendinae
Papillary muscles
The heart valves are made from the _____________ lining the heart.
Endometrium
The reason the endocardium is a smooth lining is that _______________ cannot form clots.
Blood
The semilunar valves each have ________ cusps.
Three
The right AV valve has _________ cusps (leaflets).
Three
The left AV valve has ________ cusps (leaflets).
Two
The right AV valve is called the ________________.
Tricuspid
The left AV valve is called the ________________.
Bicuspid, Tricuspid
The right semilunar valve is called the _________________.
Pulmonary semilunar valve
The left semilunar valve is called the _________________.
Aortic semilunar valve
The bicuspid valve is also called the ___________valve.
Mitral
The bicuspid (mitral) valve is found on the _________ side of the heart.
Left
The tricuspid valve is found on the __________ side of the heart.
Right
The valve located between the left ventricle and the aorta is the:
Aortic semilunar valve
The valve located between the right atrium and right ventricle is the _______________.
Tricuspid
The valve located between the right ventricle and the pulmonary trunk is the:
Pulmonary semilunar valve
The valve located between the left atrium and left ventricle is the:
Bicuspid (Mitral) valve
What prevents the atrial valves from allowing blood from the ventricles to travel back into the atria?
Chordae tendinae
Papillary muscles
The chordae tendinae are found in the _________.
Ventricles
The papillary muscles are found in the __________.
Ventricles
What opens and closes the heart valves?
Pressure of the blood
