American Board of Psychiatry and Neurology (ABPN) Practice Exam

Cervical dystonia, also known as spasmodic torticollis, is characterized by involuntary muscle contractions in the neck, leading to abnormal head postures and often causing significant discomfort. One of the hallmark symptoms of this condition is pain in the neck area, which can be a result of the sustained muscle contractions and abnormal positioning of the head. This pain can come in the form of muscle soreness or tension, similar to what is experienced in other muscle-related disorders.

While the other choices reflect various symptoms that can be seen with different neurological or muscular conditions, they do not specifically embody the characteristic symptom of cervical dystonia. Dystonic tremors may occur in other forms of dystonia but are not a typical feature of cervical dystonia itself. Persistent frowning and paralysis of facial muscles are more relevant to conditions like facial dystonia or certain neurological disorders, rather than being specific indicators of cervical dystonia. Therefore, pain in the neck area stands out as the most relevant symptom associated with cervical dystonia.