In dysarthria, only vocal speech is affected; that is, only the motor production of sounds is affected. This statement is which of the following?
A. True. Dysarthria is the poor control of speech muscles.
B. False. People with dysarthria are also unable to understand spoken language.
C. False. People with dysarthria are also unable to hear spoken language.
D. False. People with dysarthria are also unable to write.
ANS: A
Rationale: Poor control of the speech muscles is dysarthria. In dysarthria, only vocal speech is affected; that is, only the motor production of sounds is affected. People with dysarthria can understand spoken language, write, and read. Lower motor neuron involvement of CNs V, VII, X, or XII can cause dysarthria. Dysarthria can also result from upper motor neuron lesions or dysfunction of the muscles that produce speech.
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