Answer to Question 1
ANS: D
All newborns are screened for PKU. Not all newborns are screened for epilepsy, Tay-Sachs, or pica.
Answer to Question 2
ANS: C
Perhaps the best known of the lysosomal storage disorders is Tay-Sachs disease, an autosomal recessive disorder related to a deficiency of the enzyme hexosaminidase A (HEX A). Approxi-mately 80 of individuals diagnosed are of Jewish ancestry. Jewish ancestry is not necessarily associated with epilepsy, encephalopathy, or PKU.