Heart Anatomy

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Questions and Answers

What is the primary role of the SVC (superior vena cava) in blood circulation?

  • Bringing blood back from the upper body (correct)
  • Bringing oxygenated blood from the lungs
  • Pumping blood to the lungs
  • Pumping blood to the rest of the body

The right atrium is the last chamber to receive blood returning from the body's circulation.

False (B)

What happens to the blood as it travels through the pulmonary artery?

  • It is oxygenated in the lungs. (correct)
  • It becomes deoxygenated.
  • It is filtered by the kidneys.
  • It travels to the rest of the body.

The tricuspid valve is located between the left atrium and left ventricle.

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

The right ventricle is responsible for pumping blood to the ______.

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

Which heart valve prevents backflow of blood from the right ventricle into the right atrium?

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

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

<p>Prevent backflow of blood</p> Signup and view all the answers

Which sequence accurately describes the path of deoxygenated blood from the body to the lungs?

<p>Right atrium -&gt; Right ventricle -&gt; Pulmonary artery (B)</p> Signup and view all the answers

The pulmonary artery carries oxygenated blood from the lungs to the heart.

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

After passing through the right ventricle, blood flows into the ______ artery.

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

Match each heart chamber with its function:

<p>Right Atrium = Receives deoxygenated blood from the body Right Ventricle = Pumps deoxygenated blood to the lungs Left Atrium = Receives oxygenated blood from the lungs Left Ventricle = Pumps oxygenated blood to the body</p> Signup and view all the answers

What would be the most likely result of a malfunctioning tricuspid valve?

<p>Blood leaking from the right ventricle into the right atrium (B)</p> Signup and view all the answers

The right ventricle has thicker walls compared to the left ventricle because it pumps blood to the entire body.

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

What is the role of the pulmonary valve?

<p>Prevent blood backflow from the pulmonary artery to the right ventricle</p> Signup and view all the answers

Which of the following statements accurately describes the sequence of blood flow in the systemic circuit?

<p>Lungs -&gt; Left Atrium -&gt; Left Ventricle -&gt; Body (D)</p> Signup and view all the answers

Deoxygenated blood from the lower body returns to the right atrium via the ______ vena cava.

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

Constriction of the pulmonary artery would increase blood flow to the lungs.

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

Which chamber of the heart directly pumps blood into the pulmonary artery?

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

What is the function of the right atrium?

<p>Receives deoxygenated blood from the body</p> Signup and view all the answers

Match the following vessels with the type of blood they carry:

<p>Superior Vena Cava = Deoxygenated Pulmonary Artery = Deoxygenated Pulmonary Vein = Oxygenated</p> Signup and view all the answers

Flashcards

Superior and Inferior Vena Cava

Brings blood back from the upper body to the right ventricle and from the lower body to the right ventricle.

Right atrium

The first chamber of the heart that blood from the body enters.

Right Ventricle

One of the four chambers of the heart, pumps blood to the pulmonary artery.

Tricuspid valve

Valve located between the right atrium and right ventricle; prevents backflow of blood.

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Pulmonary artery

Carries deoxygenated blood from the heart to the lungs for oxygenation.

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Pulmonary valve

Prevents backflow of blood from the pulmonary artery into the right ventricle.

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Study Notes

  • SVK brings blood back from the upper body to the right ventricle.
  • The IVC brings blood back from the lower body to the right ventricle.
  • The right atrium is the first chamber of the heart that blood from the body enters.
  • The right ventricle is lost after four chambers of the heart; blood travels to the aorta.
  • The tricuspid valve is between the right atrium and right ventricle.
  • The purpose of the tricuspid valve is to prevent blood flow back into the atrium.
  • The pulmonary artery sends deoxygenated blood from the heart to the lungs.
  • Blood is converted back into oxygenated blood in the lungs.
  • The pulmonary valve helps send blood back out.

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