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10606 Pathology

A term infant has initial Apgar scores of 8 and 10 at 1 and 5 minutes. On auscultation of the chest, a heart murmur is audible. There is hepatosplenomegaly. Cataracts of the crystalline lens are noted. The infant is at the 30th percentile for height and weight. Echocardiography shows a patent ductus arteriosus. Which of the following events is the most likely risk factor for the findings in this infant?

ACongenital rubella infection
BDietary folate deficiency
CDispermy at conception
DErythroblastosis fetalis
Pathology
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10611 Pathology

Chromosome inversion is:

AA portion of the chromosome is missing or deleted
BA portion of the chromosome is duplicated, resulting in extragenetic material
CA single chromosome undergoes breakage and rearranges within itself
DA portion of one chromosome has been deleted from its normal place and inserted into another chromosome
Pathology
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