Week One: Parasitology And Parasites That Infect (Chapter Two) Flashcards Preview

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Flashcards in Week One: Parasitology And Parasites That Infect (Chapter Two) Deck (48):
0

What are trematodes?

Flukes

1

Kingdom, phylum, class, and subclass of monogenetic trematodes

Kingdom: animalia
Phylum: Platyhelminthes
Class: Trematoda
Subclass: monogenea

2

What are platyheminthes?

Flatworms

3

Monogenetic trematodes are found on what type of animals?

Ectoparasites of fish, amphibians, and reptiles

4

What are some characteristics of digenetic trematodes?

Have two intermediate hosts
(First and second intermediate hosts, and definitive host)

5

Kingdom, phylum, class, and subclass of digenetic trematodes

Kingdom: animalia
Phylum: platyheminthes
Class: trematoda
Subclass: digenea

6

What do digenetic trematodes look like?

Flattened, leaf shaped flukes

7

What type of animals are digenetic trematodes seen on

Both large and small animals

8

Where (in the body) are digenetic trematodes located?

Primarily in GI tract
Can also infect lungs and vasculature

9

What does an operculated egg look like?

Stewie's head
Oval like with openings on one or both sides

10

What is paragonimus kellicotti

Digenetic trematode
Lung fluke in cats and dogs

11

What are eucestodes

True tapeworms
Ribbon like flatworms

12

What are the kingdom, phylum, and class of eucestodes?

Kingdom: animalia
Phylum: Platyhelminthes
Class: Eucestoda

13

How are eucestodes frequently observed?

Fecal flotation

14

How do eucestodes receive their nutrients?

Absorb nutrients through their tegument (skin)

15

What is the intermediate host?

The animals harboring the larval stages of a parasite

16

What are nematodes?

Round worms
Have enlongated, un segmented, cylindrical bodies

17

What is the kingdom and phylum of nematodes?

Kingdom: animalia
Phylum: Nematoda

18

What is the most numerous and complex parasite among domestic animals?

Nematodes

19

What are acanthocephalans?

Thorny headed worms
Possess a spiny proboscis on anterior ends

20

What is the kingdom and phylum of acanthocephalans?

Kingdom: animalia
Phylum: acanthocephala

21

What are hirudineans?

Leeches
Blood feeding ectoparasites of wild and domesticated animals

22

What are the kingdom, phylum, and class of hirudineans?

Kingdom: animalia
Phylum: annelida
Class: hirudinea

23

What are some examples of arthropods?

Pentastomes
Crustaceans
Centipedes
Millipedes
Insects
Mites
Ticks
Scorpions
Spiders

24

What are the kingdom and phylum of arthropods?

Kingdom: animalia
Phylum: arthropoda

25

What are pentastomes?

Tongue worms or linguatulids
adults usually parasitize snakes and other reptiles

26

What are crustaceans?

Exctoparasites of fish and amphibians

27

What are paragonimus kellicotti?

Crayfish

28

What are myriopoda and what are some examples?

Multiple feet parasites
Produce venoms and toxic substances
Centipedes and millipedes

29

What are ictyoptera?

Cockroaches

30

What are coleoptera?

Beetles

31

What are Lepidoptera?

Butterflies and moths

32

What are hymenoptera?

Ants, bees, and wasps

33

What are hemiptera?

True bugs

34

What are mallophaga?

Chewing or biting lice

35

What are anoplura?

Sucking lice

36

what are diptera?

Two winged flies

37

What are siphonaptera?

Fleas

38

What are examples are acarina and what is different about them?

Mites and ticks
Have four life stages

39

What are the four life stages of acarina?

Egg stage
Larval stage
Nymphal stage
Adult stage

40

What are some characteristics of arthropods? (KNOW THIS)

Important in veterinary medicine
Serve as causal agents
Serve as intermediate hosts (helminthes, protozoans)
Serve as vectors (bacteria, viruses, spirochetes, chlamydial agents)
May produce toxins or venomous substances
May parasitize the host as adult or juvenile stages

41

What is the largest phylum in the animal kingdom?

Arthropoda
Includes most of the ectoparasites seen in the veterinary profession

42

What are Protista?

Protozoa
Unicellular organisms
Majority are free living

43

What are examples of Protista?

Flagellates
Amoebae
Apicomplexans
Ciliates

44

What are flagellates?

Flagellum
Have long whip like or lash like appendage that is used by a group of protozoans as means of locomotion in a fluid medium

45

What are amoeboa?

Pseudopodia
Have false feet
Amorphous (no real shape)
Blob like
Flow along in a liquid medium

46

What are apicomplexans?

Most diverse and complicated
Locomotory organells are internal and not visible to the naked eye

47

What are ciliates?

Covered with tiny short hairs
Move by beating, undulating hairs in a liquid medium