KROK 1 2010 – Question 55 · KROK (Medicine) · Pharmacology
A 19 year old woman suffers from primary syphilis. Doctor administered her complex therapy that includes benzylpenicillin sodium salt. What is the mechanism of action of this drug?
- A. It blocks synthesis of cytoplasm proteins
- B. It blocks thiol enzymes
- C. It blocks synthesis of peptidoglycan of microbial membrane
- D. It blocks DNA synthesis
- E. It blocks RNA synthesis
Hint
Recall the drug class of benzylpenicillin and ask which bacterial component it must attack to be toxic to bacteria yet harmless to human cells.
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