Exploring the Heart's Chambers

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Questions and Answers

Which type of valve guards the opening between the atria and the ventricles?

  • Pulmonary valve
  • Semilunar valve
  • Right atrioventricular valve
  • Left atrioventricular valve (correct)

How many flaps or cusps does the right atrioventricular valve have?

  • 1
  • 3 (correct)
  • 2
  • 4

What is another name for the left atrioventricular valve?

  • Semilunar valve
  • Bicuspid valve (correct)
  • Pulmonary valve
  • Aortic valve

Where are the semilunar valves located?

<p>In the lining of the trunk (C)</p> Signup and view all the answers

What is the purpose of the valves in the heart?

<p>To permit the flow of blood in one direction only (B)</p> Signup and view all the answers

What anchors the flaps of the atrioventricular valves to the papillary muscles of each ventricle?

<p>Chordae tendineae (D)</p> Signup and view all the answers

How many main types of valves are there in the heart?

<p>2 (C)</p> Signup and view all the answers

What does the term 'semilunar' refer to in relation to the semilunar valves?

<p>The shape of the cusps (D)</p> Signup and view all the answers

How many cusps does the left atrioventricular valve have?

<p>2 (A)</p> Signup and view all the answers

Which valve is located at the entrance of the aorta?

<p>Pulmonary valve (A)</p> Signup and view all the answers

Which chambers of the heart are considered the 'receiving chambers'?

<p>Atria (A)</p> Signup and view all the answers

What is the function of the auricle?

<p>To increase the capacity of each atrium (D)</p> Signup and view all the answers

Which structure separates the left and right chambers of the heart?

<p>Septum (C)</p> Signup and view all the answers

What are the two lower chambers of the heart called?

<p>Ventricles (D)</p> Signup and view all the answers

What is the function of the ventricles?

<p>To pump blood out of the heart through the arteries (D)</p> Signup and view all the answers

Which chambers of the heart have thinner walls?

<p>Atria (B)</p> Signup and view all the answers

Which chambers of the heart have thicker walls?

<p>Ventricles (A)</p> Signup and view all the answers

What is the purpose of the interatrial septum?

<p>To separate the two upper chambers (atria) (A)</p> Signup and view all the answers

What is the purpose of the interventricular septum?

<p>To separate the left and right ventricles (D)</p> Signup and view all the answers

What structures sit in between the atria and ventricles, as well as in between the ventricles and the vessels?

<p>Other structures (B)</p> Signup and view all the answers

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