Cardiovascular System Overview

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Questions and Answers

Where does the left ventricle pump blood into?

  • Aorta (correct)
  • Superior vena cava
  • Pulmonary trunk
  • Inferior vena cava

Which chamber is the thickest and most muscular?

  • Left ventricle (correct)
  • Left atrium
  • Right atrium
  • Right ventricle

Where does the right atrium receive deoxygenated blood from?

  • Left ventricle
  • Pulmonary trunk
  • Aorta
  • Superior and inferior vena cavae (correct)

What is the function of the pericardial cavity?

<p>Secretion of pericardial fluid to reduce friction (C)</p> Signup and view all the answers

Where does the right ventricle pump blood into?

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

Where is the base of the heart located?

<p>Toward the right shoulder (C)</p> Signup and view all the answers

What is the main function of the AV valves in the heart?

<p>Prevent blood from returning to the ventricles after contraction (A)</p> Signup and view all the answers

What is the function of the SL valves in the heart?

<p>Prevent blood from returning to the ventricles after contraction (C)</p> Signup and view all the answers

Which heart valve is described as having three cusps?

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

What is the main function of the Chordae tendinae in the heart?

<p>Anchor the AV valves to prevent backflow (C)</p> Signup and view all the answers

Which layer of the heart acts as a lubricant to reduce friction between the parietal and visceral layer of the pericardium?

<p>Parietal layer of the Serous Pericardium (D)</p> Signup and view all the answers

Which layer of the heart consists of cardiac muscle tissue?

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

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