A newborn has been diagnosed with cri du chat syndrome. The parents request information about this syndrome
Which information should the nurse provide? Note: Credit will be given only if all correct choices and no incorrect choices are selected. Select all that apply. 1. "Your baby's chromosomal makeup is unbalanced.".
2. "This condition occurred because your baby has too much material in a particular chromosome.".
3. "This syndrome is genetically related to trisomy 21.".
4. "Your baby's syndrome is the result of a large amount of material missing from chromosome 5.".
5. "We suspected this condition because of the sound of your child's cry.".
1,4,5
Rationale 1: A chromosomal alteration that includes a missing or additional whole chromosome or segment of a chromosome is an unbalanced rearrangement.
Rationale 2: Cri du chat syndrome is caused by a gene deletion, not nondisjunction.
Rationale 3: Translocation between chromosomes 9 and 22 is responsible for trisomy 21 and is not associated with cri du chat syndrome.
Rationale 4: Cri du chat syndrome results from a large deletion on the short arm of chromosome 5.
Rationale 5: Patients with cri du chat syndrome have mental retardation, crying that sounds like a cat mewing, and low-set ears.
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