Coarctation of the aorta is the local narrowing of the aorta near the:
a. aortic valve.
b. ductus arteriosus.
c. diaphragm.
d. bifurcation into the common iliac arteries.
ANS: B
Coarctation of the aorta is narrowing of the aorta near the ductus arteriosus, not near the aortic valve, the diaphragm, or the bifurcation site.
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