The nurse is developing and assessing a family pedigree to find if there is a need for referral to specialized genetic counseling. Which findings would indicate a need for this referral?
Note: Credit will be given only if all correct choices and no incorrect choices are selected.
Standard Text: Select all that apply.
1. A clear autosomal pattern of inheritance for a disease is evident.
2. A family member in the current generation developed colon cancer at age 28.
3. One family member developed Alzheimer disease at age 78, another at age 82.
4. Two male family members died of myocardial infarction in their 60s.
5. As information for the pedigree was being collected, a family member asked if they were at high risk for developing macular degeneration.
1,2,5
Rationale 1: When a clear pattern of Mendelian inheritance is evident, referral is necessary.
Rationale 2: If a family member developed an illness at an age much younger than normal, referral is necessary.
Rationale 3: The onset of age-related diseases at the appropriate time does not indicate a need for referral.
Rationale 4: The fact that these family members are of the correct age and sex for this disorder indicates that referral is not needed.
Rationale 5: Anyone who has a specific answer regarding risk for a disease with strong genetic components should be referred.
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