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Author Question: What should the nurse include when counseling potential parents about genetic disorders? A) ... (Read 48 times)

brutforce

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on: Jun 27, 2018
What should the nurse include when counseling potential parents about genetic disorders?
 
  A) Environmental influences may affect multifactorial inheritance.
  B) Genetic disorders primarily follow Mendelian laws of inheritance.
  C) All genetic disorders involve a similar number of abnormal chromosomes.
  D) The absence of genetic disorders in both families eliminates the possibility of having a child with a genetic disorder.

Question 2

A child is diagnosed with an X-linked dominant inheritance disorder. What should the nurse explain to the parents about this disorder?
 
  A) It only affects male offspring.
  B) It appears in every generation.
  C) All children of the couple will be affected.
  D) Diseases caused by this disorder are not life threatening.


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Animal_Goddess

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Reply #1 on: Jun 27, 2018
Answer to Question 1

A
Feedback:
Not all genetic disorders follow Mendelian laws of inheritance. Diseases caused by multiple factors do not follow Mendelian laws because more than a single gene or HLA is involved. Environmental influences may be instrumental in determining whether the disorder is expressed. All genetic disorders do not involve a similar number of abnormal chromosomes. A family history may reveal no set pattern so an absence of genetic disorders in both families does not necessarily eliminate the possibility of having a child with a genetic disorder.

Answer to Question 2

B
Feedback:
X-linked dominant inheritance disorders appear in every generation. The pattern of inheritance is through the X chromosome and affects female offspring. All children will not be affected. It is unclear if the diseases caused by this disorder are life threatening.


brutforce

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Reply 2 on: Jun 27, 2018
Thanks for the timely response, appreciate it

sultansheikh

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Reply 3 on: Yesterday
Gracias!

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