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Heart Anatomy and Function Quiz

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Questions and Answers

Which of the following is NOT a layer of the heart wall?

Myocardium
Epicardium
Pericardium (correct)
Endocardium

What is the function of the endocardium?

It is a reddish, shiny membrane that is continuous with the parietal pericardium.
It provides a smooth surface for blood flow.
It helps in the contraction of the heart muscles.
It covers the inside cavity of the heart and is associated with blood and muscles. (correct)

Which layer of the heart wall is considered the inner layer?

Endothelium (correct)
Myocardium
Epicardium
Pericardium

What is the function of the epicardium?

It is a reddish, shiny membrane that is continuous with the parietal pericardium. (D) Signup and view all the answers

Which layer of the heart wall is responsible for the contraction of the heart muscles?

Myocardium (A) Signup and view all the answers

What is the function of the pericardium?

It is a membrane that surrounds the heart. (C) Signup and view all the answers

What is the function of heart valves?

Prevent back-flow of blood and maintain a pressure gradient (B) Signup and view all the answers

How many cups does the Tricuspid Valve consist of?

Three (C) Signup and view all the answers

Which valve directs the flow of blood from the left atrium to the left ventricle?

Mitral Valve (D) Signup and view all the answers

What is the main function of Semilunar Valves?

Prevent blood in arteries from flowing back into ventricles (D) Signup and view all the answers

What is the function of the interventricular septum?

To divide the lower part of the heart (D) Signup and view all the answers

Where do the Corona Veins collect deoxygenated blood from?

Coronary Sinus (D) Signup and view all the answers

Which valve allows freshly oxygenated blood to enter the aorta from the ventricle?

Aortic Valve (C) Signup and view all the answers

Which chamber of the heart has a thicker wall?

Left ventricle (B) Signup and view all the answers

What is the function of the atrioventricular openings?

To allow blood flow from the atria to the ventricles (C) Signup and view all the answers

What is the purpose of the opening of the aorta?

To bring blood from the left ventricle to all parts of the body (D) Signup and view all the answers

What is the function of the pulmonary veins?

To carry oxygenated blood from the lungs to the heart (D) Signup and view all the answers

What is the function of the coronary arteries?

To supply blood to the heart muscle (A) Signup and view all the answers