Which statement about AMSAN compared with AMAN is true?

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Prepare for the Neuromuscular Interventions Test with flashcards and multiple-choice questions. Each question includes hints and explanations. Get ready to ace your exam!

Multiple Choice

Which statement about AMSAN compared with AMAN is true?

Explanation:
AMSAN and AMAN are axonal variants of Guillain-Barré syndrome with different fiber involvement and prognosis. AMAN damages motor axons only, while AMSAN involves both motor and sensory axons. The addition of sensory fiber damage in AMSAN tends to lead to more severe weakness and longer, slower recovery. It is also less common than AMAN. Therefore the statement that AMSAN is less common and more severe is true. The other options are incorrect because AMSAN does not recover faster, is not more common or milder, and does not affect only motor axons.

AMSAN and AMAN are axonal variants of Guillain-Barré syndrome with different fiber involvement and prognosis. AMAN damages motor axons only, while AMSAN involves both motor and sensory axons. The addition of sensory fiber damage in AMSAN tends to lead to more severe weakness and longer, slower recovery. It is also less common than AMAN. Therefore the statement that AMSAN is less common and more severe is true. The other options are incorrect because AMSAN does not recover faster, is not more common or milder, and does not affect only motor axons.

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