Down Syndrome Prevention
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Questions and Answers

What is the main purpose of examining the fertilized egg in IVF?

  • To prevent Down syndrome by selecting healthy eggs (correct)
  • To identify the sex of the embryo
  • To detect any inherited traits from the parents
  • To determine the ideal time for implantation

    • What is the primary cause of Down syndrome?

  • A genetic mutation inherited from parents
  • An error during the fertilization process (correct)
  • Environmental factors during pregnancy
  • A lack of oxygen during fetal development

    • Which of the following is a characteristic of translocation Down syndrome?

  • It is the most common type of Down syndrome
  • It is inherited from a parent (correct)
  • It is caused by an extra copy of chromosome 21
  • It is a mosaic form of Down syndrome

    • What is the primary method of diagnosis for Down syndrome during pregnancy?

    <p>Non-invasive prenatal testing (NIPT)</p> Signup and view all the answers

    What is the main goal ofDown syndrome research and treatment?

    <p>To improve the quality of life for individuals with Down syndrome</p> Signup and view all the answers

    What is the characteristic of cells with Down syndrome?

    <p>They have an extra 21st chromosome</p> Signup and view all the answers

    What is a common consequence of mouth breathing in individuals with Down syndrome?

    <p>Dry mouth leading to decreased oral cleansing</p> Signup and view all the answers

    Why is early dental intervention crucial for children with Down syndrome?

    <p>To prevent oral health issues and promote overall well-being</p> Signup and view all the answers

    What is the only form of Down syndrome that can be passed from parent to child?

    <p>Translocation</p> Signup and view all the answers

    What is the primary cause of Down syndrome?

    <p>A mistake in cell division during development</p> Signup and view all the answers

    What is a benefit of establishing positive dental habits in children with Down syndrome?

    <p>They learn to independently manage their oral care</p> Signup and view all the answers

    What is the significance of karyotyping in relation to Down syndrome?

    <p>It's used to diagnose Down syndrome</p> Signup and view all the answers

    What is a common oral health issue in individuals with Down syndrome?

    <p>Caries due to decreased oral cleansing</p> Signup and view all the answers

    What is a risk factor for Down syndrome?

    <p>Being a carrier of the genetic translocation for Down syndrome</p> Signup and view all the answers

    Is there a cure for Down syndrome?

    <p>No, but treatment is available to help individuals reach their full potential</p> Signup and view all the answers

    What is the most common genetic cause of moderate intellectual disability?

    <p>Down Syndrome</p> Signup and view all the answers

    What percentage of Down syndrome patients have a trisomy 21 karyotype?

    <p>95%</p> Signup and view all the answers

    What is the result of abnormal cell division during the development of the sperm cell or egg cell?

    <p>Nondisjunction</p> Signup and view all the answers

    What is the term for the attachment of a part of the number 21 chromosome to another chromosome?

    <p>Translocation</p> Signup and view all the answers

    What is the term for the presence of two cell populations, one with a normal karyotype and one with a trisomy 21 karyotype?

    <p>Mosaicism</p> Signup and view all the answers

    What is the primary method by which in vitro fertilization (IVF) can prevent Down syndrome?

    <p>By examining the fertilized egg and returning the healthy one into the womb</p> Signup and view all the answers

    Which type of Down syndrome is not inherited and occurs sporadically in all populations?

    <p>Trisomy 21</p> Signup and view all the answers

    What is the term for the presence of an extra copy of chromosome 21 in all cells of the body?

    <p>Trisomy</p> Signup and view all the answers

    What is the primary method used to diagnose Down syndrome during pregnancy?

    <p>Amniocentesis</p> Signup and view all the answers

    What is the term for the attachment of a part of chromosome 21 to another chromosome, leading to Down syndrome?

    <p>Translocation</p> Signup and view all the answers

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