A 25-year old woman is admitted to the hospital because of a 6-week history of double vision and difficulty to talk after prolonged speaking. Her husband reports fluctuating droopy eyelids in the morning and evening. An immunologic assay detects the presence of circulating autoantibodies against the certain receptors at the neuromuscular junction. Affected binding of which of the following neurotransmitters is the most likely cause of this patient's symptoms?
- A Acetylcholine
- B γ -aminobutyric acid (GABA)
- C Serotonin
- D Dopamine
- E Epinephrine
Правильна відповідь: A. Acetylcholine
Пояснення
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