Understanding Pathophysiology Study Set 3

Medicine

Quiz 2 :
Genes and Genetic Diseases

Quiz 2 :
Genes and Genetic Diseases

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A nurse recalls that the basic components of DNA are:
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B

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Which of the following mutations have the most significant effect on protein synthesis?
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D

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The base components of DNA are:
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Answer:

C

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A DNA strand has a region with the sequence ATCGGAT. Which of the following would be a complementary strand?
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A biologist is explaining how RNA directs the synthesis of protein. Which process is the biologist describing?
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What is the result of homologous chromosomes failing to separate during meiosis?
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A cell that does not contain a multiple of 23 chromosomes is called a _____ cell.
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A 20-year-old pregnant female gives birth to a stillborn child. Autopsy reveals that the fetus has 92 chromosomes. What term may be on the autopsy report to describe this condition?
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The condition in which an extra portion of a chromosome is present in each cell is called:
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After a geneticist talks to a patient about being a chromosomal mosaic, the patient asks the nurse what that means. What should the nurse say?
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What is the most common cause of Down syndrome?
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What is a risk factor for Down syndrome?
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A 13-year-old girl has a karyotype that reveals an absent homologous X chromosome with only a single X chromosome present. What medical diagnosis will the nurse observe on the chart?
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What genetic disorder is the result if an individual possesses an XXY chromosome configuration?
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A patient demonstrates severe intellectual disability caused by a deletion of part of chromosome 5. What genetic disorder will the nurse see documented in the chart?
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An aide asks the nurse why people who have neurofibromatosis show varying degrees of the disease. Which genetic principle should the nurse explain to the aide?
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What gene abnormality causes cystic fibrosis?
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A 15-year-old female is diagnosed with Prader-Willi syndrome. What is this condition an example of?
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A patient, age 9, is admitted to a pediatric unit with Duchenne muscular dystrophy. When planning care, the nurse recalls that the patient inherited this condition through a trait that is:
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A child is diagnosed with cystic fibrosis. History reveals that the child's parents are siblings. Cystic fibrosis was most likely the result of:
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