A Patient Presented Complaining of Slurred Speech and Difficulty Swallowing

Multiple Choice

A patient presented complaining of slurred speech and difficulty swallowing. The patient's DNA was tested to determine the number of CAG repeats in the Huntington gene by PCR. The patient had 10-29 repeats. This result is interpreted as which of the following?

A) Normal
B) Abnormal expansion consistent with Huntington's disease seen
C) Patient is at risk of Huntington's disease
D) Inconsistent results that should be repeated