<prompt> a-1 antitrypsin deficiency is associated which of the following?CirrhosisNeonatal hepatitisPulmonary emphysemaAll of the above  <response>: a1-Antitrypsin deficiency Autosomal recessive disorder of protein folding marked by very low levels of circulating a1-Antitrypsin a1AT. Neonatal hepatitis with cholestatic jaundice appears in 10 to 20 of newborns with the deficiency. In adolescence, presenting symptoms may be related to hepatitis, cirrhosis or pulmonary disease emphysema. 