A patient is distressed to learn that a sibling is diagnosed with both neurologic and cognitive manifestations of Huntington disease. When the patient asks the nurse how to determine the incidence of the disease, which answer is most appropriate?

Question

Quizplus · Accepted Answer

Huntington disease is an autosomal dominant genetic disorder, meaning that each child of an affected parent has a 50% chance of inheriting the faulty gene. Genetic testing is the most accurate way to determine if an individual carries the gene that causes Huntington disease. The other options do not accurately reflect how the disease is diagnosed or the genetic risk.

A Patient Is Distressed to Learn That a Sibling Is