KROK 1 2016 – Question 157 · KROK (Medicine) · Pharmacology
Prescription of penicillin G sodium salt has caused development of neurotoxic effects (hallucinations, convulsions). Such reaction is the result of antagonism with the following neurotransmitter:
- A. Serotonin
- B. Dopamine
- C. GABA
- D. Acetylcholine
- E. Adenosine
Hint
Think about which transmitter system normally keeps neuronal excitability in check, and how a drug that blocks it could cause seizures at high concentration.
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