A 7-month-old female presents with jaundice, clay-colored stool, and an enlarged liver. Testing reveals the absence of intrahepatic bile ducts. This condition is referred to as _____ atresia
a. hepatic
b. portal
c. sinusoidal
d. biliary
ANS: D
Biliary atresia (BA) is a rare congenital malformation (1 in 8000 to 1 in 18,000 live births) char-acterized by the absence or obstruction of intrahepatic or extrahepatic bile ducts. Jaundice is the primary clinical manifestation of biliary atresia, along with hepatomegaly and acholic (clay-colored) stools. The presenting symptomatology does not support any of the other options.
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