#april2020mccqe1
A previously normal child begins deteriorating developmentally at about 6 months of age. She is seen by an ophthalmologist because she no longer responds to visual stimuli. A cherry-red spot on the macula is noted on ophthalmologic examination. The enzyme that is deficient in this child normally carries out which of the following functions?
(A) Degradation of glycogen in muscle
(B) Degradation of glycolipids in the brain
(C) Degradation of mucopolysaccharides in bone marrow
(D) Synthesis of glycoproteins in the liver
(E) Synthesis of peptides in the spleen
A previously normal child begins deteriorating developmentally at about 6 months of age. She is seen by an ophthalmologist because she no longer responds to visual stimuli. A cherry-red spot on the macula is noted on ophthalmologic examination. The enzyme that is deficient in this child normally carries out which of the following functions?
(A) Degradation of glycogen in muscle
(B) Degradation of glycolipids in the brain
(C) Degradation of mucopolysaccharides in bone marrow
(D) Synthesis of glycoproteins in the liver
(E) Synthesis of peptides in the spleen
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