Ch 14 - McCurnins pg 438 - 441 Flashcards Preview

Parasitology - Vic > Ch 14 - McCurnins pg 438 - 441 > Flashcards

Flashcards in Ch 14 - McCurnins pg 438 - 441 Deck (10)
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Potential damage from a parasite may be a function of?

- the number of parasites present
- location of parasite within the host
- production of toxins by the parasite
- and interference by parasite with the host's normal physiologic processes


What are the clinical signs associated with parasitism?

- life threatening anemia
- hypoproteinemia
- diarrhea
- vomiting
- intestinal obstruction
- interference with normal weight gain or milk production (not always noticed - happens gradually)


Parasites are divided into two large groups, what are they?

endoparasites (internal parasites)
ectoparasties (external parasites


What parasites are considered endoparasites?

nematodes, cestodes, trematodes, protozoa, and ancanthocephalans


What parasites are considered ectoparasites?

fleas, lice, tics, mites, chiggers, biting flies, and myiasis-inducing flies


Endoparasites and ectoparasties are found where?

on and in all animals and in every tissue and organ system


Some parasites are ___ specific, whereas other parasites are capable of infecting a ____ _____ of species.

broad range


What are the modes of transmission?

from direct transmission to an extremely complex life cycle involving the use of intermediate hosts or transport hosts


Why is extensive knowledge vital to know about parasites' life cycle?

it is vital to be able to share with client important bits of information that are crucial in explaining the risks, preventions, and reasons why specific treatment intervals are important


What are trematodes?

Common name: digenetic flukes - flatworms
name derivation:
type of parasite:
species affected:
key clinical signs of infected animals:
an abbreviated life cycle:
lab tests to diagnose the infection/infestation:
zoonotic potential for clients:
prevention and control techniques: