Identifying S. stercoralis Eggs vs. Hookworm Eggs
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Questions and Answers

What is a distinguishing feature of Strongyloides stercoralis eggs compared to hookworm eggs?

  • Smaller size
  • Thin hyaline shell
  • Presence of larvae inside the egg (correct)
  • Specific embryonic cleavage stage

    • What is the average size range of Trichinella spiralis encysted larvae?

  • 75 to 100 μm by 2 to 5 μm
  • 75 to 120 μm by 4 to 7 μm (correct)
  • 120 to 140 μm by 5 to 8 μm
  • 100 to 150 μm by 3 to 6 μm

    • Which parasite is associated with the condition known as trichinosis?

  • Strongyloides stercoralis
  • Trichinella spiralis (correct)
  • Taenia solium
  • Taenia saginata

    • What surrounds the coiled larva of Trichinella spiralis when it becomes encysted?

    <p>A nurse cell</p> Signup and view all the answers

    Which tapeworm is commonly known as the pork tapeworm?

    <p>Taenia solium</p> Signup and view all the answers

    What is a distinguishing feature of Taenia solium eggs?

    <p>Larger size</p> Signup and view all the answers

    What is the common name for Trichinella spiralis?

    <p>Tapeworm</p> Signup and view all the answers

    Which parasite is associated with the condition Trichuriasis?

    <p>Trichuris trichiura</p> Signup and view all the answers

    What is the characteristic shape of Trichinella spiralis eggs?

    <p>Barrel-shaped</p> Signup and view all the answers

    Which parasite is associated with the condition Taeniasis?

    <p>Taenia solium</p> Signup and view all the answers

    What is the average size of Strongyloides stercoralis eggs?

    <p>$50$ to $80 \mu m$ in length by $25$ to $30 \mu m$ in width</p> Signup and view all the answers

    What is a prominent feature of Trichinella spiralis eggs?

    <p>&quot;Hyaline polar plug&quot;</p> Signup and view all the answers

    What is the average size of a Taenia spp. egg?

    <p>33 by 23 μm</p> Signup and view all the answers

    Which tapeworm egg has distinct polar thickenings in its shell?

    <p>Hymenolepis nana egg</p> Signup and view all the answers

    What is the distinguishing feature of the Hymenolepis diminuta egg?

    <p>Colorless embryophore</p> Signup and view all the answers

    Which tapeworm is known as the Rat tapeworm?

    <p>Hymenolepis diminuta</p> Signup and view all the answers

    What is the characteristic size of the average Hymenolepis diminuta egg?

    <p>55 by 85 μm</p> Signup and view all the answers

    Which tapeworm egg has radial striations on its embryophore?

    <p>Taenia saginata egg</p> Signup and view all the answers

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