Valve Facts Quiz

Which valve prevents blood from flowing from the right ventricle into the right atrium?

Mitral valve

Tricuspid valve (correct)

Pulmonary valve

Aortic valve

Which valve prevents blood from flowing from the left ventricle into the left atrium?

Tricuspid valve

Pulmonary valve

Mitral valve (correct)

Aortic valve

Which valve prevents backflow of blood from pulmonary circulation into the right ventricle?

Pulmonary valve (correct)

Aortic valve

Mitral valve

Tricuspid valve

Which valve prevents backflow of blood from systemic circulation into the left ventricle?

Aortic valve Signup and view all the answers

Which valve is also known as the tricuspid valve?

The right atrioventricular valve Signup and view all the answers

Which valve is responsible for regulating the flow of blood from the ventricles to the coronary, pulmonary, and systemic circulation?

The pulmonary valve Signup and view all the answers

What are the two types of valves that exist between the atria and ventricles?

Atrioventricular valves and semilunar valves Signup and view all the answers

What is the function of the atrioventricular valves?

To prevent backflow of blood into the atria during ventricular contraction Signup and view all the answers

What are the supporting structures of the atrioventricular valves known as?

Chordae tendineae and papillary muscles Signup and view all the answers

What is the function of a leaflet or cusp of the tricuspid valve?

To occlude the valve orifice Signup and view all the answers

Which structures form a bridge between the cusps of the atrioventricular valves and the papillary muscles?

Chordae tendineae Signup and view all the answers

Which structure acts as a conduit for part of the atrioventricular bundle and conducts electrical impulses from the sinuatrial node to the rest of the ventricle?

Moderator band Signup and view all the answers

Where is the smallest of the three papillary muscles located?

Medially Signup and view all the answers

Which valve is also known as the bicuspid valve?

Mitral valve Signup and view all the answers

What are the structures that connect the cusps of the atrioventricular valves to the papillary muscles?

Chordae tendinae Signup and view all the answers

Where is the tricuspid valve located?

Between the right atrium and right ventricle Signup and view all the answers

Which structure prevents the valve flaps from everting into the atria when the ventricles contract?

Chordae tendineae Signup and view all the answers

What happens when blood fills the atria and puts pressure against the atrioventricular valves?

Atrioventricular valves are forced open Signup and view all the answers

Which valve is responsible for regulating the flow of blood from the ventricles to the coronary, pulmonary, and systemic circulation?

Aortic valve Signup and view all the answers

Which valve is located at the posterior left side of the sternum, in the 3rd intercostal space?

Aortic valve Signup and view all the answers

Where is the mitral valve located?

Posterior to the sternum, 4th costal cartilage Signup and view all the answers

Which valve is known as the bicuspid valve?

Mitral valve Signup and view all the answers

Which valve is smaller in size compared to the other atrioventricular valve?

Mitral valve Signup and view all the answers

How many cusps does the mitral valve have?

Two Signup and view all the answers

Which valve is located at the root of the ascending aorta?

Aortic valve Signup and view all the answers

Which valve is responsible for carrying blood away from the heart to pulmonary and systemic circulations?

Pulmonary valve Signup and view all the answers

Which valve has well-defined sinuses that each associated cusp is named after?

Aortic valve Signup and view all the answers

Which one of these is true about the cusps of the pulmonary valve?

They snap closed to prevent blood from returning to the ventricle Signup and view all the answers

Which one of these is FALSE about the cusps of the semilunar valve?

They have tendinous cords to support them Signup and view all the answers

Which anatomical structures are formed by the thickening of the edges of the cusps in semilunar valves?

Lunule Signup and view all the answers

Valve Facts Quiz

Questions and Answers

Which valve prevents blood from flowing from the right ventricle into the right atrium?

Which valve prevents blood from flowing from the left ventricle into the left atrium?

Which valve prevents backflow of blood from pulmonary circulation into the right ventricle?

Which valve prevents backflow of blood from systemic circulation into the left ventricle?

Which valve is also known as the tricuspid valve?

Which valve is responsible for regulating the flow of blood from the ventricles to the coronary, pulmonary, and systemic circulation?

What are the two types of valves that exist between the atria and ventricles?

What is the function of the atrioventricular valves?

What are the supporting structures of the atrioventricular valves known as?

What is the function of a leaflet or cusp of the tricuspid valve?

Which structures form a bridge between the cusps of the atrioventricular valves and the papillary muscles?

Which structure acts as a conduit for part of the atrioventricular bundle and conducts electrical impulses from the sinuatrial node to the rest of the ventricle?

Where is the smallest of the three papillary muscles located?

Which valve is also known as the bicuspid valve?

What are the structures that connect the cusps of the atrioventricular valves to the papillary muscles?

Where is the tricuspid valve located?

Which structure prevents the valve flaps from everting into the atria when the ventricles contract?

What happens when blood fills the atria and puts pressure against the atrioventricular valves?

Which valve is responsible for regulating the flow of blood from the ventricles to the coronary, pulmonary, and systemic circulation?

Which valve is located at the posterior left side of the sternum, in the 3rd intercostal space?

Where is the mitral valve located?

Which valve is known as the bicuspid valve?

Which valve is smaller in size compared to the other atrioventricular valve?

How many cusps does the mitral valve have?

Which valve is located at the root of the ascending aorta?

Which valve is responsible for carrying blood away from the heart to pulmonary and systemic circulations?

Which valve has well-defined sinuses that each associated cusp is named after?

Which one of these is true about the cusps of the pulmonary valve?

Which one of these is FALSE about the cusps of the semilunar valve?

Which anatomical structures are formed by the thickening of the edges of the cusps in semilunar valves?

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