Podcast
Questions and Answers
What is the main function of the fibrous skeleton of the heart?
What is the main function of the fibrous skeleton of the heart?
- Generating heart murmurs
- Preventing the heart from being overstretched
- Supporting the heart valves (correct)
- Aiding in the conduction of electrical impulses
Which structure forms the barrier between the atria and the ventricles in the heart?
Which structure forms the barrier between the atria and the ventricles in the heart?
- Purkinje fibers
- AV node
- Bundle of His (correct)
- SA node
What happens when inflammation of a heart valve occurs?
What happens when inflammation of a heart valve occurs?
- Valve functions more efficiently
- Valve widens
- Valve becomes more flexible
- Valve cusps stick together (correct)
What can result from valve narrowing in the heart?
What can result from valve narrowing in the heart?
Which part of the heart is stabilized by the fibrous skeleton to prevent overstretching?
Which part of the heart is stabilized by the fibrous skeleton to prevent overstretching?
What is the role of the purkinje fibers in the heart's conduction system?
What is the role of the purkinje fibers in the heart's conduction system?
Which valve has a fibrous ring and 3 cusps, with each cusp attached to the chordae tendinae of 3 papillary muscles of the right ventricle?
Which valve has a fibrous ring and 3 cusps, with each cusp attached to the chordae tendinae of 3 papillary muscles of the right ventricle?
How many cusps form the mitral (Bicuspid) valve and to how many papillary muscles of the left ventricle are each cusp attached?
How many cusps form the mitral (Bicuspid) valve and to how many papillary muscles of the left ventricle are each cusp attached?
The chordae tendinae of which ventricle are stronger?
The chordae tendinae of which ventricle are stronger?
Which valve has a structure similar to the pulmonary valve but has three semilunar cusps with one anterior and two posterior?
Which valve has a structure similar to the pulmonary valve but has three semilunar cusps with one anterior and two posterior?
What is the purpose of the dilatations, known as the sinus of Valsalva, in the aortic wall above each cusp?
What is the purpose of the dilatations, known as the sinus of Valsalva, in the aortic wall above each cusp?
Where is the fibrous skeleton of the heart located in terms of heart structures?
Where is the fibrous skeleton of the heart located in terms of heart structures?
What separates the anterior rough part (pectinate muscles) in the auricle from the posterior smooth part of the right atrium?
What separates the anterior rough part (pectinate muscles) in the auricle from the posterior smooth part of the right atrium?
Which structure represents the site of the foramen ovale in the interatrial septum?
Which structure represents the site of the foramen ovale in the interatrial septum?
Where is the left atrium located in relation to the right atrium?
Where is the left atrium located in relation to the right atrium?
Which valve is attached to the papillary muscles of the ventricular wall by the chordae tendinae?
Which valve is attached to the papillary muscles of the ventricular wall by the chordae tendinae?
What divides the right ventricle into an inflowing rough part and an outflowing smooth part?
What divides the right ventricle into an inflowing rough part and an outflowing smooth part?
Which part of the left atrium includes only the left auricle?
Which part of the left atrium includes only the left auricle?
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