Blood pressure in the pulmonary artery is:
same as that in the aorta.
more than that in the carotid.
more than that in the pulmonary vein.
less than that in the venae cavae.
As we learnt at concept
pulmonary artery and the aorta -
The openings of the right and the left ventricles into the pulmonary artery and the aorta respectively are provided with the semilunar valves.
- wherein
The valves in the heart allows the flow of blood only in one direction, i.e., from the atria to the ventricles and from the ventricles to the pulmonary artery or aorta. These valves prevent any backward flow.
The correct answer is (3), more than pulmonary vein pulmonary artery pressure is 3-20 mm Hg
Option 1)
same as that in the aorta.
incorrect
Option 2)
more than that in the carotid.
incorrect
Option 3)
more than that in the pulmonary vein.
correct
Option 4)
less than that in the venae cavae.
incorrect