A nurse is helping prepare a patient for blood chromosome analysis for a suspected chromosomal disorder.The nurse observes that the patient presents with a catlike cry, microcephaly, and intellectual disability.Which of the following autosomal chromosome defects is most associated with these findings?

Question

Quizplus · Accepted Answer

Cri du chat syndrome is caused by a deletion of the short arm of chromosome 5. The characteristic features include a high-pitched cry resembling a cat, microcephaly, and intellectual disability. Cystic fibrosis is an autosomal recessive disorder that affects the lungs and digestive system. Down syndrome is caused by a trisomy of chromosome 21, leading to intellectual disability and characteristic physical features. Tay-Sachs is an autosomal recessive disorder that affects the nervous system. None of these disorders are typically associated with a catlike cry, microcephaly, and intellectual disability.

A Nurse Is Helping Prepare a Patient for Blood Chromosome