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Karteikarten

Ectoparasites

Chloe Zaydner Englisch 44 Karten

Karten in diesem Stapel (44)

  1. 1What is the generic fly life-cycle?Egg -> Larvae -> Pupae -> adult
  2. 2Why did the attempted eradication of malaria not work?DDT resistance (potent insecticide) and poor surveillance.
  3. 3Which agent transmits malaria?Female anopheles mosquito
  4. 4What is the difference between eradication and control?Eradication is to eliminate the disease so it will not return, whereas control is to reduce the disease/pest to an acceptable level.
  5. 5Which body system do most ectoparasitic drugs target?Neurotoxin.
  6. 6Which four aspects of the CNS do ectoparasitic drugs target?GABA inhibitor, Na+ channel blocker, Cl- channel blocker and Choline esterase inhibitor.
  7. 7Name some insect repellants?Pyrethrin, DEET and citronella
  8. 8Name a Dessicant?Sodium Polyborate
  9. 9Name a insectide with a synergist effect?Piperonyl Butoxide.
  10. 10How does Piperonyl Butoxide work?Inhibits insect detox pathway, increasing available concentration of insecticide especially when used with pyrethrin.
  11. 11Give an example of an insecticide dip used especially in cats?Lime-sulphur. Good for mites.
  12. 12What is a deltamethrin collar good for?Sandflies, mozzies and ticks.
  13. 13What is a imidacloprid/flumethrin collar good for?Fleas and ticks
  14. 14How does nitenpyram differ from a spinosad?Nitenpyram is very rapid but very short acting wheras spinosad can last for up to a month.
  15. 15Why do you need to give multiple environmental flea treatment?Because the pupae are unaffected by any drug so you wont have got whole population with first treatment.
  16. 16What groups of ectoparasitic control are found in FrontlineComboJuvenile growth hormone analogue in combo with an adulticide.
  17. 17Why is it important if a louse is sucking or chewing?Because a systemic drug would be more effective for a sucking louse than a chewing one.
  18. 18What is significant about the lifecycle of a ked.Whole life cycle on host.
  19. 19What is a ked?Wingless, bloodfeeding fly.
  20. 20What are midges and mosquitos vectors of?Bluetongue and schmallenburg.
  21. 21What are sandflies a vector of?Leishmaniosis
  22. 22What is a way to repel sandflies?Use a deltamethrin collar.
  23. 23What is the scientific name for a hard tick?Ixodid
  24. 24What is the scientific name for a soft tick?Argasid
  25. 25Which tick is nidiculous?Argasid
  26. 26What is significant about Ixodes ricinus ?It is ENDEMIC in UK and can trasmit Lyme disease, Louping Ill, Erhlicia and Babesia
  27. 27What is Borrelia burgdoferi ?Lyme disease
  28. 28What disease does Dermacentor reticulatus transmit?Babesia canis
  29. 29What diseases do Rhipicephalus sanguineus trasmit?Babesia canis and Erhlicia
  30. 30What is the most common Tick-borne disease in UK?Borreliosis
  31. 31Describe the morphology of the Borrelosis agent?Spirochete
  32. 32What animals does Louping Ill virus effect?Sheep and Grouse in upland areas.
  33. 33Is Louping Ill notifiable?Nope - control is voluntary
  34. 34What is the pathogenesis of Babesiosis?Intraerythrocytic protozoan parasite which results in destruction of RBCs and causes anaemia.
  35. 35What is the most economically important arthropod-borne disease of cattle worldwide?Babesiosis caused by Babesia bovis
  36. 36What strain of Babesia affects cattle in UK?Babesia divergens aka redwater fever.
  37. 37What is the window between tick attachment and pathogen transfer?About 24hours
  38. 38What is a mite life-cycle?Egg -> 6 legged larvae -> 8 legged nymph (1-3 stages) -> adult
  39. 39What is the main host of sarcoptic mange?Dogs (fox reservoir - can be zoonotic)
  40. 40What is the best treatment for sarcoptic mange? What is a downside?Amitraz bath but is a bit of a faff (weekly needed)
  41. 41How does the age of the animal affect treatment for demodex?IN a young animal this will resolve with age however in an older animal dz is associated with immuno-incompetence therefore treat and investigate immunosuppression.
  42. 42What is the agent for sheep scab?Psoroptes ovis
  43. 43What is the best way to treat sheep scab?Dip (OP) + Injection (Moxidectin)
  44. 44How does moxidectin differ in terms of withdrawal period cf doramectin and ivermectin?Withdrawal period is much longer.

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Beschreibung
Karteikarten am Ectoparasites, erstellt von Chloe Zaydner am 19/04/2014.
Erstellt von
Chloe Zaydner · Apr 2014
Aktualisiert
6 Apr 2018
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87
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