Multiple choice

The infective stage of the liver fluke for sheep is known as:

  1. redia

  2. cercaria

  3. miracidium

  4. cysticercus

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The cercaria is the free-swimming infective stage of liver flukes (Fasciola hepatica) that actively penetrates the host's skin. Redia and miracidium are earlier developmental stages, while cysticercus is a tapeworm larval stage.