A 58-year-old father and a 45-year-old mother gave birth to a baby boy 2 days ago. The nurse assesses a single palmar crease and low-set ears on the newborn. The nurse plans to counsel the couple about which chromosomal abnormality?

Question

Quizplus · Accepted Answer

A single palmar crease and low-set ears are common physical features in newborns with Down syndrome, which is caused by trisomy 21. Trisomy 13 (option A) and trisomy 18 (option B) can present with more severe abnormalities, while trisomy 26 (option D) is not a recognized chromosomal abnormality.

A 58-Year-Old Father and a 45-Year-Old Mother Gave Birth to a Baby