Ectoparasites #5

This is the last of Ectoparasites for the VT students of 2008 to study from for their finials. Since this is a very large section it has to broke up into parts to get everything down that we need to know so that we may pass our finial.

So how did you do on this section? I hope you did better then you thought that you would do. I know that it is helping me by doing this, since when I took one of the other test I got a good score on it and I will be trying them again later.

What is your age?
Under 18 Years Old
18 to 24 Years Old
25 to 30 Years Old
31 to 40 Years Old
41 to 50 Years Old
51 to 60 Years Old
Over 60 Years Old
What is your gender?
Male
Female
1. Only female ticks feed on blood.
True
False
2. There are many disease linked to ticks.
True
False
3. There are two classes of ticks.
True
False
4. Soft ticks- origin of legs and head are under the edge of the body and looks like a crab.
True
False
5. Hard ticks (Ixodidae) look just like the soft ticks.
True
False
6. The most common tick is the soft tick.
True
False
7. Dermacentor nitans do not spend their entire life cycle upon the same host.
True
False
8. A two host tick (Rhipicephalus evertsi and some Amblyomma species) will attach to the host as larvae, feed, detach and leave the host as mature larvae or nymphs, then they will molt on the ground and return to a new of different host.
True
False
9. Dermacentor venustus and Amblyomma americanum have a three host life cycle.
True
False
10. There are 5 stage in the life cycle of a tick.
True
False
11. Each stage of the tick except for the egg requires a blood meal.
True
False
12. The adult females may increase 1000x with a blood meal before laying eggs.
True
False
13. Ticks will mate off the host.
True
False
14. The female after engorgement drops off the host and crawls to a protected place to lay her 150-20000 eggs depending on the species.
True
False
15. Tick larval or seed tick have 4 pair of legs.
True
False
16. Nymphs have 4 pair of legs, and their activity is similar to larvae except they live longer.
True
False
17. The adult tick if it molts on host, crawl from nymphal exoskeleton and reattach to host, if they molt on the ground, they climb upon vegetation to await a new host.
True
False
18. Male ticks may or may not be parasitic as and adult.
True
False
19. Ticks my remove 200 pounds of blood from a large host during a single season.
True
False
20. Many types of disease can be spread by ticks.
True
False
21. The scutum is present on soft ticks.
True
False
22. Some ticks have eyes and festoons, and some do not.
True
False
23. You can tell what type of tick you have by the coloring of the scutum, and the shape of the basis capituli.
True
False
24. Coxa is the second segment of each leg of a tick.
True
False
25. The anal groove is the groove around the anus, and the anal plates are sclerotized structure on the ventral side lateral to the anus in males
True
False
26. The stigmatic plate is the breathing mechanism behind the last leg or between the 3rd. and 4th legs.
True
False
27. Hypostome is the mouth parts medial to the palpi which is paired appendages anterior to the scutum and lateral and parallel to the hypostome.
True
False
28. Argus (Fowl tick, Blue bug, and Adobe tick) is oval, very flat and leathery with a reddish brown color and are up to 6-1mm in size.
True
False
29. Avian are the host of Argus, and the adults are nocturnal on the bird and hide in cracks during the day. They can live 37 months without feeding.
True
False
30. Argus eggs are laid in batches of 20- 150 in cracks and crevices near the bird. The Larvae will hatch in 5 days-2 months.
True
False
31. A bird with ruffled feathers, poor appetite, and diarrhea will have Argus.
True
False
32. Otobius megnini (spinose ear tick) females can reach up to 10mm and males are slightly smaller.
True
False
33. The otobius megnini nymphs attach in the ear and may remain attached for months, when feeding is done it will detach and crawl out and drop to the ground.
True
False
34. When and animal has Otobius megnini they will be shaking and tilting their head.
True
False
35. In Oregon, Ixodes pacificu, Dermacentor andersoni, and Ixodes damnii are not common.
True
False
36. K-9 Advantix and revolution are good tick control.
True
False
37. The best tick control is to avoid brushy or grassy areas in the spring and fall of the year.
True
False
38. Diseases that you may contract from ticks are Lymes (Borrelia burgdorgi), Rocky Mountan Spotted Fever, Ehrlichia, and probaly more tick borne Rickettsias and viruses.
True
False
39. The diseases in question 38 can be transmitted to man, so they do have a zoonotic potential.
True
False
40. When removing a tick by hand pull slowly up, will slough a plug around tick bite anyway so retained mothparts not a big worry.
True
False

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