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Questions and Answers
What distinguishes the posterior leaflet of the mitral valve from the anterior leaflet?
What distinguishes the posterior leaflet of the mitral valve from the anterior leaflet?
- Its free edge is longer than the length of attachment across the annulus
- Its two apposing leaflets resemble a bishop's hat or mitre
- Its attachment distance across the annulus is relatively narrow (correct)
- Its filled space is called the sinus of Valsalva
What is the junction between the sinuses and the aorta in the aortic valve called?
What is the junction between the sinuses and the aorta in the aortic valve called?
- Ostia
- Sinotubular ridge (correct)
- Coronary ostia
- Sinus of Valsalva
Which of the following is NOT a feature of the aortic valve?
Which of the following is NOT a feature of the aortic valve?
- It has two symmetric, semilunar-shaped cusps (correct)
- It has three semilunar-shaped cusps
- The filled space of each cusp is called the sinus of Valsalva
- It has a fibrous framework or 'skeleton' made of dense connective tissue
What is the space or recess of each cusp in the aortic valve called?
What is the space or recess of each cusp in the aortic valve called?
Which valve in the heart is often referred to as the mitral valve?
Which valve in the heart is often referred to as the mitral valve?
What is the opening or ostium into the blood supply of the heart called?
What is the opening or ostium into the blood supply of the heart called?
Which two sinuses in the aortic valve have ostia that open into the left and right coronary arteries?
Which two sinuses in the aortic valve have ostia that open into the left and right coronary arteries?
What is the fibrous framework or 'skeleton' that passes transversely through the base of the heart called?
What is the fibrous framework or 'skeleton' that passes transversely through the base of the heart called?
What forms the fibrous framework or 'skeleton' in the base of the heart?
What forms the fibrous framework or 'skeleton' in the base of the heart?
What is the filled space or recess of each cusp in the aortic valve referred to as?
What is the filled space or recess of each cusp in the aortic valve referred to as?
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