This quiz pertains to some particular topics about or pertaining to Down Syndrome. This is NOT a complete summary, and therefore, other details must also be studied.
Down Syndrome was diagnosed by a British doctor in 1866. What was his name?
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Jérôme Jean Louis Marie Lejeune
John Langdon Down
Raymond Alexander Turpin
John Cyprian Phipps Williams
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What is Trisomy 21?
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Chromosomes fail to separate properly, resulting in a nondisjunction where an extra copy of Chromosome 21 is created (3 "21" Chromosomes), which leads to Down Syndrome.
Chromosome 21 attaches to another Chromosome, resulting in a structural abnormality that causes Down Syndrome.
After fertilization, one line of cells replicates properly, whereas the other line replicates improperly, with an extra Chromosome 21, which results in Down Syndrome.
None of the Above.
Pregunta 3
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What is translocation?
Respuesta
Chromosomes fail to separate properly, resulting in a nondisjunction where an extra copy of Chromosome 21 is created (3 "21" Chromosomes), which leads to Down Syndrome.
Chromosome 21 attaches to another chromosome, resulting in a structural abnormality that causes Down Syndrome.
After fertilization, one line of cells replicates properly, whereas the other line replicates improperly, with an extra Chromosome 21, which results in Down Syndrome.
None of the Above.
Pregunta 4
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What is mosaicism?
Respuesta
Chromosomes fail to separate properly, resulting in a nondisjunction where an extra copy of Chromosome 21 is created (3 "21" Chromosomes), which leads to Down Syndrome.
Chromosome 21 attaches to another chromosome resulting in a structural abnormality that causes Down Syndrome.
After fertilization, one line of cells replicates properly, whereas the other line replicates improperly, with an extra Chromosome 21, which results in Down Syndrome.
None of the Above.
Pregunta 5
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What are common types of diagnostic tests used to test for genetic disorders, including Down Syndrome?
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Chorionic Villus Sampling (CVS)
Amniocentesis
Percutaneous Umbilical Cord Blood Sampling (PUBS)
All of these.
Pregunta 6
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What is currently the average lifespan of a person with Down Syndrome?
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70 years and above.
9-12 years of age.
30-70 years of age, contingent upon factors.
None of these.
Pregunta 7
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Which of these are common symptoms of Down Syndrome, pertaining to vision?
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Near-sightedness and crossed eyes.
Cataracts
Brushfield Spots
Simian Crease
All of the Above.
Only cataracts, near-sightedness, cross eyes, and brushfield spots.
Pregunta 8
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Which chromosome does Down Syndrome occur on?
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Chromosome 27
Chromosome 21
Chromosome 23
Chromosome 25
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How many chromosomes does a person with Down Syndrome have in their cells (abnormal)?
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45
47
46
It is not yet known.
Pregunta 10
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What are the specialized programs to help children with Down Syndrome called? What types of therapies do they include?
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Spectrum Stabilization; Vision therapy, occupational therapy, motor therapy, etc.
Early Intervention; Vision therapy, occupational therapy, motor therapy, etc.
Spectrum Stabilization; Physical Therapy, Speech-Language Therapy, Occupational Therapy, Emotional and Behavioral Therapy, etc.
Early Intervention; Physical Therapy, Speech-Language Therapy, Occupational Therapy, Emotional and Behavioral Therapy, etc.