Essentials of Pediatric Nursing - Chapter 27 Solved 100% Correct

When assessing newborns for chromosomal disorders, which assessment would be most suggestive of a problem? - ANSWER-low-set ears Explanation: A number of common chromosomal disorders, such as trisomies, include low-set ears. The nurse is performing a physical examination on a 1-week-old girl with trisomy 13. What would the nurse expect to assess? - ANSWER-Observation reveals a microcephalic head. Explanation: Children with trisomy 13 have microcephalic heads with malformed ears and small eyes. Severe hypotonia, hypoplastic fingernails, and clenched fists with index and small fingers overlapping the middle fingers are typical symptoms of trisomy 18. A pregnant client has heard about Down syndrome and wants to know about the risk factors associated with it. What would the nurse include as a risk factor? - ANSWER-advanced maternal age Explanation: Advanced maternal age is one the most important factors that increases the risk of an infant being born with Down syndrome. Down syndrome is not associated with advanced paternal age, recurrent miscarriages, or family history of Down syndrome. Girls with Turner syndrome will usually exhibit: - ANSWER-short stature. Explanation: Girls with Turner syndrome usually have a single X chromosome, causing them to have short stature and infertility. Persons with sickle cell anemia have painful joints. Color blindness occurs in persons diagnosed with Huntington disease, and they may exhibit chorealike movements. Progressive dementia occurs in early-onset familial Alzheimer disease. A couple wants to start a family. They are concerned that their child will be at risk for cystic fibrosis because they each have a cousin with cystic fibrosis. They are seeing a nurse practitioner for preconceptual counseling. What would the nurse practitioner tell them about cystic fibrosis? - ANSWER-It is an autosomal recessive disorder. Explanation: Cystic fibrosis is autosomal recessive. Nurses also consider other issues when assessing the risk for genetic conditions in couples and families. For example, when