Anatomy: Heart Location and Chambers Quiz
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Questions and Answers

What is the site of the heart?

Between the lungs in the middle mediastinum, enclosed in the pericardium

How many chambers does the heart have?

Four

What is the shape of the heart?

Quadrilateral

What forms the sternocostal surface of the heart?

<p>Formed chiefly by the right ventricle</p> Signup and view all the answers

What forms the diaphragmatic surface of the heart?

<p>Formed by the ventricles</p> Signup and view all the answers

What is the direction of the heart's apex?

<p>downward, forward, and to the left</p> Signup and view all the answers

Which veins open into the left atrium?

<p>pulmonary veins</p> Signup and view all the answers

What is the function of the tricuspid valve?

<p>It is located between the right atrium and the right ventricle.</p> Signup and view all the answers

Where does the inferior vena cava return the blood from?

<p>the lower half of the body</p> Signup and view all the answers

Which ventricle has walls about three times as thick as the right ventricle?

<p>the left ventricle</p> Signup and view all the answers

What encloses the heart in the middle mediastinum?

<p>pericardium</p> Signup and view all the answers

How many chambers does the heart consist of?

<p>four</p> Signup and view all the answers

What surface of the heart is formed mainly by the left atrium?

<p>the Base</p> Signup and view all the answers

What is the size of the heart?

<p>about the one’s clenched fist</p> Signup and view all the answers

What forms the diaphragmatic surface of the heart?

<p>the ventricles</p> Signup and view all the answers

What is the function of the tricuspid valve?

<p>It is located between the right atrium and the right ventricle and has 3 cusps.</p> Signup and view all the answers

Where does the inferior vena cava return the blood from?

<p>It returns the blood from the lower half of the body and opens into the lowest part of the right atrium.</p> Signup and view all the answers

What forms the diaphragmatic surface of the heart?

<p>The left and right ventricles along with a small part of the right ventricle form the diaphragmatic surface of the heart.</p> Signup and view all the answers

What is the direction of the heart's apex?

<p>The apex is directed downward, forward, and to the left.</p> Signup and view all the answers

Which ventricle has walls about three times as thick as the right ventricle?

<p>The left ventricle has walls about three times as thick as the right ventricle.</p> Signup and view all the answers

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