17.All are true regarding pulmonary artery except
a.The main PA measures upto 20mm in diameter in normal
subjects
b.measurement made near the level of its bifurcation at
right angles to the long axis of the PA
c.the PA is usually smaller than the adjacent aorta
d.the right and left pulmonary arteries size is approx. of equal size
e.the diameter of a small PA and its neighboring bronchus
is of approx. equal size within the lung
17.---a
The
main PA measures upto 30mm in diameter in normal subjects.(Webb)
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