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Nematodes Quiz 5 (30 MCQs)

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1. Ascariasis caused by
2. Which of the following phyla contains the first organisms with complete digestive systems?
3. The process of breaking down materials into a different form that can be used again.
4. What species is found living in the small intestine by eating the host's nutritive fluid?
5. Known as "Flat Worms"
6. The most common parasitic roundworms that can infect children.
7. Mode of infection of Ascaris
8. This is an animals without any body cavities.
9. Hookworm infection leads to deficiency of
10. This is commonly known as the guinea worm and enters the body by ingesting water containing copepods with L3 larvae.
11. This nematodes specimen of choice for diagnosis is muscle biopsy with a finding of third stage larvae encyst in striated muscle and patients present with myositis, eosinophilia 40-50% in a differential.
12. Kelly likes to take long walks barefoot on her families farm. One day she notices a blistering trail moving up from the sole of her foot. If we only consider parasitic worms as suspects, which is the best candidate?
13. Which phylum do earthworms belong to?
14. Which of the following is the evolutionary advancement first found in annelids?
15. Chemoreceptors located on the anterior end of a roundworm.
16. Cutaneous larval migrans causes "creeping eruptions” these occur
17. Which phylum includes hookworms, pinworms, and heart worms?
18. Which mollusk class would you see organisms moving using "jet propulsion "?
19. Which of the following traits is NOT shared by Nematoda, Platyhelminthes and Annelida?
20. Most diverse group of animals, they have an external covering called a cuticle and shed their cuticle several times throughout their lifetime.
21. This nematode is found in Africa and Asia; the fertilized female worm migrates to the surface of the skin causing a blister with severe burning and itching. Symptoms relieved when blister ruptures.
22. The swollen part of the worm is called the ..... It signals that the worm is an adult and is able to reproduce.
23. Needle like mating structures, found only in males.
24. A tapeworm lives inside of a host's body. This means that tapeworms are .....
25. Phylum Nematoda is represented by .....
26. What type digestive system is in nematodes?
27. Which structure is NOT associated with digestion?
28. What is the non-cellular structure the covers and protects the roundworms?
29. Nematodes have a ..... digestive system
30. In segmented worms, the crop, gizzard, and esophagus are all organs that work together to digest food. Together these organs make .....
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