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Flashcards in Parasitology 2015-FINAL Deck (207)
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1

All worms making up the Phylum Platyhelminthes are commonly known as:

Flatworms

pg:23

2

Define vivparous:

hatch into larvae; pass in and out of host as larvae

pg:12

3

What are the differences between eggs and cysts

* size of eggs are larger
* cysts have thinner wall, ova are thicker
* cysts are more fragile than eggs
* ova are filled with cytoplasm, a nucleus(hardier)

pg:12

4

List the five larval stages of flukes in order:

*L1-Miracidium
*L2-Sporocyst
*L3-Rediae
*L4-Cercariae
!!!!!!* L5-Metacercariae(infective stage/teen)

pg:24

5

How many larval stages do tapeworms generally go through?

L1

pg:31

6

What is the most common L1 infective stage of tapeworms?

cysticeroids

pg:31

7

A parasite that must live at the expense of another organism is known as an:

obligate parasite

pg:10

8

What is an operculum and what kinds of eggs may it be seen on?

operculum is an indentation or protusion on 1 or both ends of OVAL SHAPED egg/ova

pg:12

9

Write out the Taxonomic classifications(Kingdom-species) in order

*Kingdom
animalia(all flukes)
protista
*Phylum
platyhelminthes
hemahelminthes
arthropoda
*Class
*Order
*Family
*Genius
*Species

pg:22

10

Define pseudoparasite and give three examples?

pseudoparasite is anything that looks like a parasite, but isnt(false parasite)
pollen
plant material
feces

pg:10

11

Does a final host harbor a larval stage or an adult stage?

Adult stage

pg:11

12

What kind of parasite attaches somewhere and stays there in that location on the host?

stationary parasite

pg:10

13

Parasites that live within the host are termed_______& parasites living outside the host are termed________.

*

14

What is a permanent parasite?

*

15

Do Cestodes dwell in the muscles, GI tract, or lings?

*

16

Which flukes have a PHS?

*

17

Do all flukes go through 5 larval stages?

*

18

What is the intermediate host of Diplidium caninum?

*

19

What is the intermediate host for all flukes?

*

20

Is the rabbit the intermediate host for Taenia pisiformis?

*

21

What is the site of infestation of Taenia hydatigena?

*

22

The hexacanth embryo will eventually become what part of tapeworm?

*

23

What do eggs for Moniezia and Anoplocephala look like?

*

24

What is the difference between indirect and direct life cycles?

*

25

Define Monecious:

*

26

The Phylum Platyhelminthes is divided into what two classes?

*

27

The intermediate hosts for Echinococcus are the_____

*

28

What part of the tapeworm must you get rid of to rid the host of tapeworm?

*

29

What is the intermediate host and final host for Anoplocephala?

*

30

What does gravid mean?

*

31

Do all parasites need at least one intermediate host?

*

32

Define pre-patent period:

*

33

Whats the other name for a transport host?

*

34

Whats the difference in morphology between Trematodes and Cestodes?

*

35

What is the Geographic distribution of Echinococcus?

*

36

What organization should you call if you find Echinococcus?

*

37

How is Fasciola hepatica diagnosed ?

*

38

Does the intermediate host for Dipylidium caninum ingest infective eggs?

*

39

Is Dipylidium caninum HSS or HSP?

*

40

Is Multiceps multiceps HSS or HSP?

*

41

What is the host for Multiceps?

*

42

What is the pathogenesis of Anoplocephala ?

*

43

What is the pathogeneis of Paragonimus kellicotti?

*

44

Why should you never report out a species of Taenia when finding Taenia?

*

45

What are the three purposes of diagnostic parasitology?

*

46

On what part of the tapeworm is the oldest segment?

*

47

Cestodes are commonly known as________and Trematoes are commonly known as _________.

*

48

WHat is the other name for a segment?

*

49

What do cestode eggs look like?

*

50

What is the cmmon name for Fasciola hepatica?

*

51

What is the common name for Nanophyetus salmincola?

*

52

What is the common name for Taenia taeniaeformis?

*

53

What parasite is known as the flea tapeworm?

*

54

What parasite is known as the lung fluke?

*

55

What is the difference between Parasitiasis and Parasitosis?

*

56

Fasciola hepatica is commonly known as the _______

*

57

Define Direct life cycle:

*

58

(Ectoparasite, Endoparasite) is synonymous for external parasite.

*

59

Moniezia eggs are typically(triangular, D-shaped), where as Anoplocephala eggs are (triangular, D-shaped)

*

60

Write the orders of Taxonomy in order:

*

61

Which group of the Taxonomy has to deal with the parasites first name? The parasites second name? Which one is capitalized? Which one is not?

*

62

What is the difference between ovoviparous and viviparous?

*

63

The _______serves as the intermediate host for Dipylidium caninum.

*

64

_________is known as the salmon poisoning fluke.

*

65

A parasite with both sex organs that are both functional is known as:

*

66

How do cysts and ova differ?

*

67

What is the differencce between a definitive host and a paratnic host?

*

68

Define facultative parasite?

*

69

How does number 68 differ from obligate parasite?

*

70

As egg with double operculum is called(unipolar,bipolar). The operculum on a double operculated egg are always(indented,protruding).

*

71

What are common pseudoparasites seen on a fecal?

*

72

List the five larval stages that flukes go through?

*

73

Which larval stage in #72 is termed infective?

*

74

Reproduction involving the passage of ova from the parasite and from the final host is defined as_______.

*

75

Do Echinococcus and Paragonimus have PHS? If so whar are they?

*

76

The head of a tapeworm is defined as the _____.

*

77

The body of a tapeworm is defined as the _____.

*

78

What is the tapeworm that is HSS for the horse?

*

79

Eggs that are round with radial striations are probably from the Genus:

*

80

Egg baskets are diagnostic in identifying the parasite(Genus,species):

*

81

The hexacanth embryo is the precursor to the________.

*

82

(Cestodes, Trematodes) are all GI tract dwellers.

*

83

Motility is:

movement

84

Morphology is ______.

*

85

How do Parasitiasis and Parasitosis differ?

*

86

Which end of the tapeworm contains mature segments?

*

87

A segment containing ova is termed a_______.

*

88

List 5 harms that parasites can do.

*

89

How are parasites named?

*

90

What are the three main purposes of diagnostic parasitology?

*

91

An intermediate host harbors the _______stage of the parasite.

*

92

The flea tapeworm is the common name for ________.

*

93

Trematodes are generally referred to as ______. The adults are _____and ________.

*

94

Cestodes are generally referred to as _______. The adults are _____and _______.

*

95

The Phylum Platyhelminthes consists of what type of worms?

*

96

A tapeworm segment is defined as a ________.

*

97

Every fluke requires a ________as an intermediate host.

snail

98

The amount of time necessary after infestation of a parasit, until demonstration of that parasite, defines________.

*

99

List the various concentration tequniques:

*

100

What is the difference between ova of Toxocara and Toxascaris?

Toxocara spp. has an outter ropey appearance, and Toxascaris has an inner ropey appearance.

101

What is the PHS for Ancylostoma.

*

102

What do we report out if we see nothing on a fecal?

NSATT

103

What do we report out if we see a parasite on a fecal?

*

104

What objective do we use to scan a fecal? To ID a parasite on a fecal? To see Giardia?

*

105

What are the 14 factors affecting fecal results?

*

106

"Lung fluke"-

*

107

"Liver fluke"-

*

108

Whats a blastomere and where is it seen?

*

109

What is the site of infestation for lungworms? Hookworms?

*

110

What are the routes of infestation for Toxocara canis?

*

111

List all the parasites that are HSS for dog....HSS for cat...HSS for both.

*

112

What are the general characteristics of hookworm?

*

113

How many genera of lungwom can each of the following species get?
Ruminants
Dogs
Cats
Horses
Pigs

*

114

What is the pathogenesis of Ascaris suum?

*

115

What does the term pathognomonic mean?

*

116

What is a morula?

*

117

Which fecal technique is best to view Giardia?

direct smear

118

Which concentration technique is the best? Which is the most outdated? Which is the biggest pain due to its many pieces?

*

119

Nematodes are commonly called_______.

*

120

"dog and cat hookworm"

*

121

"Arrowhead worm" of dogs and cats-

*

122

"horse roundworm"-

*

123

How fast and how long do we spin fecals?

*

124

What are the general characteristics of Ascarids?

*

125

What is the most commonly diagnosed worm in puppies and kittens?

*

126

Which migration is the most complex?

*

127

Which migration involves "arrested development"?

*

128

What is the pathognomonic sign of Toxocara canis?

*

129

The following are HSS for dogs EXCEPT:

*Uncinaria stenocephala
*Ancylostoma caninum
*Capillaraia aerophila
*Dupylidium caninum
*Toxocara canis
*A,B
*B,C
*A,C,D
*B,D,E
*B,D

130

Which of the following techniques will show larvae:

*Fecalyzer
*Direct Smear
*Gross Exam
*A,B
*B,C
*A,C
*All show larvae
*None show larvae

131

Cold weather hookworm:

*Bunostomum
*Ancylostoma
*Toxocara
*Toxascaris
*{Uncinaria}

132

A sign that cant be mistaken for anything else defines:

*Premunition
*Pathognnomonic
*Parasitiasis
*Parasitosis
*Pre-Patent Period

133

Which animal can be infested with two Genera of lungworms?

*cattle
*sheep
*dog
*cat
*pigs

134

When doing a routine fecal we scan on ____and ID on___

* 4x, 10x
*10x, 40x
*40x, 100x
*4x, 100x
*10x, 100X

135

The most efficient concentration technique is:

*Gross Exam
*Direct Smear
*Centrifugation
*Ovassay
*Fecalyzer

136

When TASE is seen on a small animals sample we reposrt out:

*TASE
*Roundworms
*{Hookworms}
*Lungworms
*Whipworms

137

The following have a direct life cycle except:

*Toxascaris
*Aelurostrongylus
*Ancylostoma
*Uncinaria
*Bunostomum

138

Which of the following will yield ova in feces?

* Oviparous
*Ovovivparous
*Viviparous
*A,B
*B,C

139

Which of the following is NOT a charasteristic of Ascarids:

*Blood Feeders
*GI Tract Dwellers
*Oviparous
*Direct Life Cycle
*Dioecious

140

Double operculated ova:

*Aelurostrongylus
*Capillaria
*Toxocara
*Ancylostoma
*Fasciola

141

Feces are spun at____rpm for ___minutes.

*6000,3
*6000,10
*1500,5
*1500,10
*None of the above

142

Which of the following will NOT cause variations in resuts?

*Sex Ratio
*Luck
*Diet
*Consistency
*All of the above are variations

143

Parasites in the Phylum Platyhelminthes are termed:

*Flukes
*Tapeworms
*Flatworms
*Roundworm
*Hooks

144

Which of the following is NOT a route of infestation of Toxocara cati?

*Direct ingestion
*Transmammary
*Transplacental
*Ingestion of paratenic host
*All of the above are routes of infestation

145

Lung Fluke:

*Toxascaris
*Paragonimus
*Bunostomum
*Nanophyetus
*Fasciola

146

The body of a tapeworm is called the :

*Strobila
*Scorlex
*Proglottid
*Neck
*Gravid

147

When viewing things such as flea and ticks we use the ____objective.

*{4x}
*10x
*40x
*45x
*100x

148

The larval stage seen with Genus Multiceps is:

*Cysticercus
*Cysticercoid
*Strobilcercus
*Hydatid Cyst
*Coenurus

149

_____must go through a second larval stage.

*Taenia pisiformi
*Taenia taeniaeformis
*Taenia hydatigena
*Taenia ovis
*Echinococcus

150

Three segmented adults describes:

*Taenia pisiformis
*Taenia hydatigena
*Taenia ovis
*Taenia taeniaeformis
*Echinococcus

151

Which of the following is NOT HSP for dog and cats?

*Taenia pisiformis
*Taenia ovis
*Taenia vitulorum
*Toxocara hydatigena
*Toxascaris leoninum

152

T/F Giradia can only be viewed on 40X

T

153

T/F Hookworms have a PHS of Ocular Larval Migrans

*

154

T/F Giardia trophozoites are kite shaped with flagella

*

155

Toxocara canis has 4 routes of infestation

*

156

T/F The pathognomonic sign for Ascarids is a pot-belly.

*

157

T/F Thumps are cause by the parasite Ascaris.

*

158

T/F Operculum can only be found on oval shaped ova.

*

159

T/F Parascaris can cause an infestation equal to 1/2 pale full of worms in the intestine.

*

160

T/F The site of infestation for parasites that undergo tracheal migration is the trachea.

*

161

T/F When doing a flotation technique we add distilled water or saline to our Fecalyzer.

*

162

T/F Tracheal migration involves the L-4 stage becoming dormant.

*

163

T/F When centrifuging feces the balance tube should be filled with water with NO coverslip.

*

164

T/F When doing a direct smear we use a "fleck" of feces

*

165

T/F If nothing is seen on a fecal we report out negative.

*

166

T/F When doing a fecal your condenser should be low.

*

167

T/F PHS for Ascarids includings Cutaneous Larval Migrans.

*

168

T/F All lungworms are ovoviviparous.

*

169

T/F All larvae from TASE is termed a morula.

*

170

T/F All flukes require a snail as the intermediate host.

*

171

Give the common names for every for every parasite we've learned thus far:( there's a lot arent there?)

*

172

What is the difference between pathognomonic and premunition?

*

173

What does H.O.C.T stand for?

*

174

Give the characteristics of ruminants TASE (HOCT):

*

175

Give the characteristics of Large and Small Strongyles: whats the difference between them?

*

176

How fast are fecals spun? Urine spun?

*

177

What kind of test is the Scotch tape method and what parasite is it most commonly used to diagnose?

*

178

What Class do Ruminant and Equine Strongyle fall in?

*

179

What is the difference between the blastomeres and egg baskets?

*

180

Know the final host for each Ruminant Strongyle.

*

181

What parasite has a diagnostic appearance of a paperclip ova?

*

182

What is the site of infestation of each genera of the HOCT?

*

183

What is the site of infestation of Oesophagostomum?

*

184

Which parasites are diagnosed as ova in urine?

*

185

Which parasite has a pathognomonic sign of tail rubbing?

*

186

List the species for Trichuris and the final host for each:

*

187

What is the pathogenesis for large strongyles? Trichuris vulpis? Oxyuris equi?

*

188

What is the intermediate host of Dioctophyma renale?

*

189

What's the pathogenesis of Dioctophyma renale?

*

190

T/F The common name for Dipetalonema reconditum is heartworm.

*

191

T/F Giardia can be seen on 40X

*

192

T/F In binary fission, the organism divides in half

*

193

T/F Cats get more occult heatworm cases than dogs.

*

194

T/F Toxoplasma gondii is a venereal disease.

*

195

T/F Coccidia is in the Kingdom Animalia.

*

196

T/F Ivermectin is used in the treatment of adults.

*

197

T/F Filarabits Plus is given in tablet form monthly.

*

198

T/F Immiticide is the preferred treatment for adults over Caparsolate because it has fewer side effects.

*

199

T/F The intermediate host for Dipetalonema reconditium is the flea.

*

200

T/F Giardia is zoonotic.

*

201

T/F Giardia cysts appear kite or pear shaped.

F

202

T/F The site of infestation for Balantidium coli is the stomach.

*

203

T/F Trematodes go through 5 larval stages where the 3rd larval stage is infective.

*

204

T/F The common name foe Taenia pisiformis is the flea tapeworm.

*

205

Giardia spp is:

*HSS for humans
*HSS for dogs
*HSP for dogs, cats, primates
*HSP for everything
*HSP for horses and ruminants

*HSS for humans
*HSS for dogs
*HSP for dogs, cats, primates
*HSP for everything
*HSP for horses and ruminants

206

Which of the following are pathogenesis for Trichomonas foetus?

*spontaneous abortion
*ascending infection to uterus
*pyometra
*tail rubbing
*V/D
*A&B
*B,D
*A,C
*A,B,C
*All of the above
*None of the above

*spontaneous abortion
*ascending infection to uterus
*pyometra
*tail rubbing
*V/D
*A&B
*B,D
*A,C
*A,B,C
*All of the above
*None of the above

207

Isospora spp:

*two sporozoites
*four sporozoites
*usually small animal
*usually large animal
*A&B
*C,D
*A,C
*B,C
*A,D

*two sporozoites
*four sporozoites
*usually small animal
*usually large animal
*A&B
*C,D
*A,C
*B,C
*A,D