KROK 1 2011 – Question 155 · KROK (Medicine) · Biology

A male patient has fever and enanthesis. As a result of the examination involving serological tests he has been diagnosed with fasciola hepatica. It was found out that the patient had been infected through raw river water. Which stage of fasciola life cycle is invasive for humans?

  1. A. Adolescaria
  2. B. Metacercaria
  3. C. Miracidium
  4. D. Cysticercus
  5. E. Ovum
Hint

Follow the Fasciola life cycle from the snail to the human and ask which larval stage is swallowed and is ready to establish infection.

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