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5 Written questions

5 Matching questions

  1. parascaris equorum
  2. swine lice
  3. strongyloides westeri
  4. large strongyles
  5. trichnella spiralis
  1. a larva are ingested or penetrate the skin. Pass vascularly to the lungs which are then coughed up and swallowed as mature adults. May be passed transmammary to foals.
  2. b Can interfere with blood supply to gut and cause infarction and death. Likely involved with some types of colic in horses.
  3. c used to be an important zoonotic disease but not so common now due to public awareness.
  4. d adults are very large. Males 15-28 cm and females 50 cm long. Eggs have a spherical rough shell, dark amber to brown. Ova survives in evironment for years.
  5. e treat pigs with ivomec.

5 Multiple choice questions

  1. adult females can be annoying. Larva in stomach can rarely cause ulcerations. Most time no clinical signs are present. Often infection is determined on post mortem exams.
  2. hematopinus asini.
  3. adults release proglottids in small or large intestine. Ova are passed in the feces and ingested by a free living mite. host ingests mite.
  4. large roundworm of horses.
  5. adults are medium sized with prominent buccal capsule with teeth around its top and its base. Ova have a thin, smooth shell with few shells when passed in feces. Indistinguishable from small strongyle ova.

5 True/False questions

  1. bloodwormsstrongylus vulgaris, strongylus edentatus, strongylus equinus are types of....

          

  2. 8-12 weekshow often should horses in highly concentrated areas be dewormed?

          

  3. onchocerca cervicalistravel thru the bloodstream to skeletal muscle where they encyst and are ingested by another host and release into their intestines to mature to adults.

          

  4. trichnella spiralistravel thru the bloodstream to skeletal muscle where they encyst and are ingested by another host and release into their intestines to mature to adults.

          

  5. anaplocephalaadults are large, segmented with scolex at anterior end. Up to 8 m long. Eggs are irregularly shaped and contain 6 hooked larva. Similar to monezia in ruminants.