Question

which of the following is the overall most common cause of congenital heart disease?
chemicals and drugs
maternal trauma
idiopathic
prematurity
question 2 (mandatory) (2 points)
cystic medial necrosis of the aorta is associated with which of the following?
polyarteritis nodosa
marfan syndrome
syphilitic aortitis
bacterial endocarditis

Explanation:

Congenital Heart Disease: Idiopathic (unknown cause) is the most common overall cause. For Cystic Medial Necrosis of the aorta, Marfan syndrome is associated as it affects connective tissue in the aorta.

Answer:

1. Idiopathic
2. Marfan syndrome