Cardiovascular system

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Questions and Answers

Which vessel(s) bring blood from the lungs to the heart?

  • V.pulmonales (correct)
  • A.Pulmonales
  • Truncus Pulmonalis
  • .

What initiates the conduction system in the heart?

  • Atriventricular node
  • Sinoatrial node (correct)
  • Purkinje fibers
  • .

Which part of the aorta do the coronary arteries originate from?

  • Ascending aorta (correct)
  • Descending aorta
  • Aortic arch
  • .

Which vessel do the veins of the heart open into the right atrium through?

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

In which is the pressure lower?

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

Which of the following is not a vessel that supplies pelvic organs?

<p>External iliac artery (B)</p> Signup and view all the answers

Which of the following is not a vessel that supplies the brain?

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

Which of the following is not a vessel that forms the brachiocephalic vein?

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

Flashcards

Pulmonary veins

Pulmonary veins carry oxygenated blood from the lungs to the left atrium of the heart.

Sinoatrial node

The sinoatrial (SA) node is the heart's natural pacemaker, initiating electrical impulses that cause heart contractions.

Coronary arteries

Coronary arteries originate from the ascending aorta, supplying blood to the heart muscle.

Coronary sinus

The coronary sinus is a large vein in the heart that collects deoxygenated blood from the heart muscle.

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Venules

Venules are small veins that carry deoxygenated blood from capillaries back to larger veins, with lower blood pressure than arteries.

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External iliac artery

The external iliac artery is a major artery that supplies the lower limbs, not pelvic organs.

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Thyrocervical trunk

The thyrocervical trunk is a major artery that supplies the neck and shoulders, not the brain.

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Vertebral vein

The vertebral vein is a vein that drains blood from the back of the head and neck, not part of the brachiocephalic vein.

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