KROK 1 2020 – Question 107 · KROK (Medicine) · Physiology
A patient complains of rapid fatigability and severe muscle weakness. Examination detected an autoimmune disease that disturbs the functionality of the receptors in the neuromuscular synapses. What mediator is likely to be blocked in this case?
- A. Acetylcholine
- B. Noradrenaline
- C. Dopamine
- D. Serotonin
- E. Glycine
Hint
Recall which chemical messenger operates at the junction between a motor neuron and a skeletal muscle fiber, and what an autoimmune attack on its receptors does to transmission.
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