What is the most common first symptom of Tourette syndrome?

A) facial tic
B) vocalization of socially unacceptable words
C) barking noises and tongue clicking
D) echoing things just heard

Tourette Syndrome

A neurological disorder characterized by repetitive, involuntary movements and vocalizations called tics.

Facial Tic

Involuntary, repetitive movements or spasms of the face muscles.

Vocalization

The action of producing sound or voice through the vocal cords, often used in reference to speech, singing, or animal calls.