Agnes Suffered a Stroke That Resulted in Brain Damage

question 200

Multiple Choice

Agnes suffered a stroke that resulted in brain damage.While she has little problem understanding others,she herself can barely utter telegraphic sentences,such as "give blanket" and "Monday appointment doctor." Agnes's symptoms are consistent with:

• A)Broca's aphasia.
• B)Wernicke's aphasia.
• C)genetic dysphasia.
• D)a conjunction fallacy.

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Definitions:

All-Or-None Contraction

A principle stating that a nerve or muscle fiber responds completely or not at all to a stimulus once the stimulus reaches a threshold value.

Muscle Fiber

A single, elongated muscle cell that can contract in response to stimulation.

Motor Unit

Single neuron and the muscle fibers it innervates.

Cholinesterase

An enzyme that breaks down acetylcholine and other choline esters in the nervous system to terminate synaptic transmission.