A nurse is planning to teach the parents of a child with cystic fibrosis about the disorder. Which statement should the nurse include in this explanation?
1. While all people carry the gene CFTR, which is responsible for cystic fibrosis, those who develop the disease have a mutation in that gene.
2. A small percentage of the general population carries the gene for cystic fibrosis. If two carriers have children, then 25 of those children will develop the disease.
3. One in four people carry the gene for cystic fibrosis. If two carriers have children, then 25 of those children will develop the disease.
4. Some people carry the gene for cystic fibrosis. Of those carriers, one in four will develop the disease.
Question 2A patient has been told that her unborn child will most likely have Down syndrome. The nurse realizes this diagnosis is consistent with which genetic finding?
1. trisomy
2. monosomy
3. translocation
4. deletions
Question 3While assessing a patient, the nurse notes an irregularity that has been observed in other patients, but on an inconsistent basis. What did the nurse most likely discover in this patient?
1. a polymorphism
2. a mutation
3. a single-gene inheritance pattern
4. an X-linked inheritance pattern
Question 4A patient tells the nurse that she does not want to pass on a disease that is genetic in origin to any future children. How should the nurse respond to this patient?
1. A complete genetic study could help guide you in your decision making.
2. I suppose, then, that you are not going to have any children.
3. Adoption is always a possibility.
4. Are you sure that the disease is genetic in origin?
Question 5A patient expresses concern about transmitting genetic illnesses to any future children. What can the nurse do to help the patient determine which diseases might be transmitted?
1. Complete a pedigree.
2. Conduct a health promotion assessment.
3. Schedule for a complete genetic analysis.
4. Refer to a geneticist for diagnosis.
Question 6At the completion of a genetic assessment, the nurse learns that a patient has three family members diagnosed with rectal cancer before the age of 40 years. What should the nurse discuss with the patient?
1. importance of having screening for colorectal cancer at an earlier age
2. importance of ingesting a diet high in protein and carbohydrates
3. ways to maximize time spent in exercise
4. reasons why having children would not be recommended for this patient
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