ABSTRACT
The following characteristics are true of patients with dystonia musculorum deformans:
A. Dystonia is usually initiated by activity B. Disorder is hereditary and progressive C. Dystonia is generalized D. All of the above E. None of the above
One of the most important clinical differences between tardive dyskinesia and Huntington's disease is:
A. Gait is normal in tardive dyskinesia, whereas it is almost always abnormal in Huntington's disease
B. The rate and amplitude of dyskinesia are different in these two conditions
C. The pattern of dyskinesia is different in these two disorders
D. The muscle tone is different in these two disorders
E. Cognitive impairment is present only in Huntington 's disease
In the Westphal variant of Huntington's disease, the following is true:
A. Occurrence is rare before age 50 B. Patients have prominent dyskinesia C. Patients appear rigid D. Patients have no parkinsonian features E. CT shows cerebellar abnormalities
The following is true of oral-facial-lingual-masticatory dyskinesias:
A. 3-5% incidence in patients older than 65 B. May be precipitated by neuroleptics C. Always progress and worsen in both distribu-
tion and severity ofthe dyskinesia D. Are associated with mental change E. Presenting finding in Parkinson disease
The most prominent symptom of Shy-Drager syndrome is :
A. Progressive autonomic deficit B. Cerebellar ataxia
C. Parkinsonism D. Peripheral neuropathy E. Dementia
21. If a patient with suspected parkinsonian features shows no response to dopaminergic medication, consider this disorder as a possible alternative disorder.
