Question NO 11
A 35-year-old male living in a southern region of Africa presents with
increasing abdominal pain and jaundice. He has worked as a farmer for
many years, and sometimes his grain has become moldy. Physical examination
reveals a large mass involving the right side of his liver, and a biopsy
specimen from this mass confirms the diagnosis of liver cancer (hepatocellular
carcinoma). The pathogenesis of this tumor involves which of the following
substances?
a. Aflatoxin B1
b. Direct-acting alkylating agents
c. Vinyl chloride
d. Azo dyes
e. β-naphthylamine
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