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5 Written questions

5 Matching questions

  1. parascaris equorum
  2. strongyloides westeri
  3. sarcoptic mange
  4. large strongyles
  5. chorioptic mange
  1. a occurs in pigs as well as other livestock species. Not as common anymore.
  2. b bloodworms.
  3. c 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.
  4. d seen mostly in heavy horses with heavily feathered legs. Spend their entire life cycle on the horse. Transmission is by direct contact and sometimes by grooming objects.
  5. e 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.

5 Multiple choice questions

  1. how often should horses in highly concentrated areas be dewormed?
  2. adults live in the nucei ligament. Females produce microfilaria that migrate to the dermis.
  3. adults are rarely seen, live in the nuchal ligament and sometimes ligament and tendons of distal extremeties. Microfilaria found in conjunctiva and skin.
  4. adults are tiny with 8 long legs and short unjointed stalks for trumpets at ends of some legs.
  5. treat pigs with ivomec.

5 True/False questions

  1. ascaris suumingest larvated ova. Ova hatches and migrates to the liver, heart and lungs. Coughed up then swallowed as mature adult.

          

  2. sarcocystis neuronaa parasite which invades the spinal cord and causes a disease called equine protozoal myeloencephalitis.

          

  3. biting licedamalinia equi.

          

  4. botscauses CNS signs such as ataxia, weakness, stumbling, etc. Has a complex poorly understood life cycle.

          

  5. botscauses CNS signs such as ataxia, weakness, stumbling, etc. Has a complex poorly understood life cycle.

          

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