The nurse is assessing an infant and notes epicanthal folds, a low nasal bridge, low-set ears, simian palmar creases, and a protruding tongue. Which of the following results does the nurse most likely expect from the patient’s chromosomal microarray?

Three copies of chromosome 21. The infant’s characteristics are consistent with Down syndrome, or trisomy 21. Therefore, the nurse would expect the CMA to reflect three copies of chromosome 21. One copy of chromosome 21 or alterations in chromosome 18 are not consistent with this infant’s symptoms.

The nurse is assessing an infant and notes epicanthal folds, a lo...

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Reduction of Risk Potential
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Category: Reduction of Risk Potential
Difficulty: 4

Topics: Genetics Growth & Development

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