Cardiovascular System Anatomy and Function Quiz
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Questions and Answers

Which chamber of the heart has the thickest wall?

  • Left Ventricle (correct)
  • Left Atrium
  • Right Atrium
  • Right Ventricle

What is the function of the myocardium?

  • To decrease friction
  • To aid in contraction (correct)
  • To outline the heart
  • To pump blood to the lungs

Which valve separates the right atrium and right ventricle?

  • Tricuspid Valve (correct)
  • Mitral Valve
  • Aortic Valve
  • Pulmonic Valve

What is the function of the electrical conduction system in the heart?

<p>To coordinate contraction and relaxation of the heart chambers (D)</p> Signup and view all the answers

Which blood vessel carries deoxygenated blood from the heart to the lungs?

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

What is the outermost protective membrane of the heart called?

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

Which electrolytes are involved in generating electricity for the heart?

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

Where is the heart located within the body?

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

What is the function of the capillaries in the cardiovascular system?

<p>To perfuse the organs and tissues with oxygenated blood (D)</p> Signup and view all the answers

Which chamber of the heart receives oxygenated blood from the lungs?

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

What is the pathway of electrical impulses that generates a heartbeat called?

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

Which layer of the heart outlines the heart and decreases friction?

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

What is the average cardiac output for a healthy adult?

<p>5L/min (C)</p> Signup and view all the answers

Which node in the heart's conduction pathway is known as the 'pacemaker' of the heart?

<p>Sinoatrial (SA) Node (D)</p> Signup and view all the answers

What is the function of the Atrioventricular (AV) Node in the heart's conduction pathway?

<p>Delays conduction briefly (D)</p> Signup and view all the answers

What is the formula for calculating cardiac output (CO)?

<p>$CO = SV * HR$ (C)</p> Signup and view all the answers

What is the purpose of the Purkinje Fibers in the heart's conduction system?

<p>Cause all cells of the ventricles to contract (A)</p> Signup and view all the answers

What is the function of the Interatrial Node/Pathway/Bundle in the heart's conduction pathway?

<p>Rapidly sends an impulse from right atrium to left (B)</p> Signup and view all the answers

What is the normal range for ejection fraction in percentage?

<p>55% to 70% (C)</p> Signup and view all the answers

What does the term 'Diastole' refer to in the cardiac cycle?

<p>Relaxation of chambers (D)</p> Signup and view all the answers

What is the purpose of the Bundle of His in the heart's conduction pathway?

<p>Sends impulse from right atrium to left (B)</p> Signup and view all the answers

What is the formula for calculating cardiac output (CO) in liters per minute?

<p>$CO = SV * HR$ (C)</p> Signup and view all the answers

What is the function of the Right and Left Bundle Branches in the heart's conduction pathway?

<p>Delay conduction briefly (A)</p> Signup and view all the answers

What is the function of the Atrioventricular (AV) Node in the heart's conduction pathway?

<p>Delays conduction briefly (D)</p> Signup and view all the answers

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