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Blood pressure in the pulmonary artery is:

  1. A
    More than that in the carotid
  2. B
    More than that in the pulmonary vein
  3. C
    Less than that in the venae cavae
  4. D
    Same as that in the aorta

Solution & Step-by-step Explanation

The pulmonary artery carries deoxygenated blood from the right ventricle to the lungs. Since it is an artery, its pressure is higher than that in veins (like the pulmonary vein or vena cava). However, it is lower than the systemic arterial pressure (aorta/carotid).

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Blood pressure in the pulmonary artery is:
A
More than that in the carotid
B
More than that in the pulmonary vein
C
Less than that in the venae cavae
D
Same as that in the aorta

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