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Author Question: With regard to chromosome abnormalities, nurses should be aware that: a. They occur in ... (Read 63 times)

joblessjake

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With regard to chromosome abnormalities, nurses should be aware that:
 
  a. They occur in approximately 10 of newborns.
  b. Abnormalities of number are the leading cause of pregnancy loss.
  c. Down syndrome is a result of an abnormal chromosome structure.
  d. Unbalanced translocation results in a mild abnormality that the child will outgrow.

Question 2

A couple has been counseled for genetic anomalies. They ask you, What is karyotyping? Your best response is:
 
  a. Karyotyping will reveal if the baby's lungs are mature.
  b. Karyotyping will reveal if your baby will develop normally.
  c. Karyotyping will provide information about the gender of the baby and the number and structure of the chromosomes.
  d. Karyotyping will detect any physical deformities the baby has.



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Pariscourtney

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Answer to Question 1

ANS: B
Aneuploidy is an abnormality of number that also is the leading genetic cause of mental retardation. Chromosome abnormalities occur in less than 1 of newborns. Down syndrome is the most common form of trisomal abnormality, an abnormality of chromosome number (47 chromosomes). Unbalanced translocation is an abnormality of chromosome structure that often has serious clinical effects.

Answer to Question 2

ANS: C
Karyotyping provides genetic information such as gender and chromosome structure. The L/S, not karyotyping, reveals lung maturity. Although karyotyping can detect genetic anomalies, the range of normal is nondescriptive. Although karyotyping can detect genetic anomalies, not all such anomalies display obvious physical deformities. The term deformities is a nondescriptive word. Physical anomalies may be present that are not detected by genetic studies (e.g., cardiac malformations).




joblessjake

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Reply 2 on: Jun 28, 2018
Gracias!


mcabuhat

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Reply 3 on: Yesterday
Wow, this really help

 

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