exam 2 Flashcards
cestode: dipylidium caninum - common name
flea tapeworm
cestode: diphyllobothrium - common name
fish tapeworm
trematode: alaria spp - common name
intestinal fluke
trematode: nanophyetus salmincola - common name
fish disease
trematode: metorchis spp - common name
liver fluke (bile duct and gallbladder fluke)
trematode: paragonimus kellicotti - common name
lung fluke
trematode: heterobilharzia americana - common name
blood fluke/liver fluke
arthropod: cheyletiella spp - common name
walking dandruff
arthropod: otodectes cynotis - common name
ear mite
arthropod: eutrombicula spp - common name
harvest mite/chigger
arthropod: sarcoptes scabei - common name
canine scabies
arthropod: notoedres sp - common name
feline scabies
arthropod: demodex spp - common name
demodectic mange
arthropod: dermacentor variabilis - common name
american dog tick
arthropod: dermacentor andersoni - common name
rocky mountain wood tick
arthropod: rhipicephalus sanguineus - common name
brown dog tick
arthropod: ixodes spp - common name
deer tick
arthropod: amblyomma americanum - common name
lone star tick
arthropod: amblyomma maculatum - common name
gulf coast tick
insect; ctenocephalides felis - common name
cat flea
insect: ctenocephalides canis - common name
dog flea
insect: trichodectes canis - common name
dog chewing lice
insect: felicola subrostratus - common name
cat chewing lice
insect: linognathus setosus - common name
dog sucking lice
insect: cutebra spp - common name
bot fly larvae
hemoflagellate: trypanosoma spp - common name
chagas disease
systemic apicomplexa: neospora caninum - common name
canine coccidian
nematode: ostertagia ostertagi - common name
brown stomach worm
nematode: teladorsagia spp - common name
ostertagia of sheep
nematode: haemonchus - common name
barber pole worm
nematode: trichostrongylus spp - common name
hair worm
nematode: nematodirus spp - common name
thread necked worm
nematode: bunostomum spp - common name
hookworm of ruminants
nematode: oersophagostomum spp - common name
nodular worm
nematode: trichuris spp - common name
whipworm
what is the infective stage of tapeworm
metacestode
what is the first IH for all flukes
snail
IH for taenia
ruminants, rodents, lagomorphs
taenia shed stage
eggs or egg-laden proglottids
taenia dx
sedimentation
flatworm of the taeniidae family that is a significant public health concern
echinococcus
2 strains of echinoccus granulosus
sylvatic and pastoral
which cycle does echonococcus multicularis mostly have
sylvatic
what strain causes alveolar echinococcus
e. multiocularis
pathogenesis of alveolar echinococcus
severe hepatic lesions
hydatid cysts in liver/lungs
dipylidium caninum IH
flea
diphyllobothrium latum IH
1st- crustacean
2nd - fish
mesocestoides IH
1st - unknown
2nd - small mammals, dogs
spirometra IH
1st - crustacean
2nd - fish, dogs
dipylidium caninum c/s
itching caused by proglottids moving to anal area
dipylidium dx
sedimentation
how are the eggs of dipylidium
egg packets
proglottids of this species resemble cucumber seeds
dipylidium
this species has a zipper like appearance
diphyllobothrium
infective stage of diphyllobothrium
plerocercoids
spirometra distribution
southeastern and gulf coast states
this species causes proliferative sparganosis
spirometra
proliferative sparganosis pathogenesis
inflammation of thoracic or abdominal cavity
what is the infective stage of mesocestoides called
tetrathyridium
intestinal infection by adult mesocestoides
asymptomatic
peritoneal infection by tetrathyridia c/s
ascites, vx, diarrhea, scrotal swelling
alaria is common in free roaming cats in
oklahoma
alaria transmission
transmammary
immature alaria can migrate to the lungs causing
respiratory compromise
pulmonary hemorrhage
alaria dx
flotation
ingestion of ___ can cause fatal alaria infection in humans
undercooked frog legs
nanophyetus salmincola distribution
west coast
causes salmon poisoning
nanophyetus salmincola
microbe that causes salmon poisoning
neorickettsia helminthoeca
metorchis IH
1st - snail
2nd - cyprinid fish
paragonimus kellicotti natural host
mink
pargonimous kellicotti IH
crayfish
parogonimous kellicotti pathogenesis
cough, exercise intolerance, dyspnea
where does parogonimous kellicotti form cysts
lungs
heterobilharzia americana site
omental and hepatic veins
heterobilharzia americana distribution
southern and southwestern US
texas and louisiana
infective stage of heterobilharzia
cercaria
heterobilharzia dx
sedimentation in saline
this species of mite can live in the environment for months
otodectes
indoor habitats/kennel tick
rhibicephalus sanguineus
ticks species that can cause tick paralysis and canine hepatozoonosis
ambylomma maculatum
who are lice contagious between
same host species
a well-demarcated, soft, fistulous swelling in late summer or early fall is a key sign
cuterebriasis
who is at a greater risk for cuterebriasis
free roaming cats
infective stage of giardia
oocysts
infective stage of tritrichomonas foetus
trophozoites
pathogenesis of tritrichomonas foetus in cats
chronic large bowel diarrhea
trypanosoma cruzi distribution
southern US and south america
trypanosoma IH
kissing bug
leishmania IH
sandfly
leishmania is endemic in
mediterranean
typical leishmania lesions
skin lesions
cystoisospora pathogenesis
direct destruction of enterocytes
small bowel diarrhea in kittens
who should be treated for cystoispora
whole litter
cryptosporidium pathogenesis
autoinfection within the intestine
hyperinfection in immunocompromised
neospora caninum pathogenesis
progressive hindlimb paralysis, dysphagia
toxoplasma transmission
transplacental
pathogenesis of toxoplasma
abortions in IH
babesia risk factor
fighting dogs
babesia pathogenesis
hemolytic anemia
hepatozoon transmission
eating infected tick
transplacental
hepatozoon pathogenesis
fever, myositis, muscle atrophy, purulent eye discharge, anemia, death
hepatozoon dx
blood smear - in neutrophils
ostertagia ostertagi site
abomasum
most economically important GI nematode of grazing cattle
ostertagia ostertagi
L4 of ostertagia undergo ___ in abomasal mucosa
hypobiosis
this parasite produces morocco leather appearance in the abomasum
ostertagia ostertagi
infection caused by ingestion of large number of L3 ostertagia, usually in late summer and fall
type 1 ostertagia
type 1 ostertagia pathogenesis
profuse bright green watery diarrhea
ostertagia infection caused by resurgence of inhibited larvae
type II ostertagia
pathophysiology of ostertagia
destruction of parietal cells, leakage of pepsinogen, reduced acidity
most important parasite in sheep and goat
haemonchus contortus
haemonchus pathogenesis
anemia, submandibular edema
haemonchus dx
FAMACHA
an important cause of subclinical production loss, contributes to PGE compex
cooperia
this species is dependent on spring thaw for hatching
nematodirus
bunostomum transmission
L3 ingestion
L3 skin penetration
bunostomum pathogenesis
submandibular edema
only the females of this species are parasitic
strongyloides papillosus
strongyloides papillosus transmission
skin penetration
oral mucosa penetration
lactogenic
parasite of the large intestine in cattle, sheep, goat and swine
oesophagostomum
oesophagostomum pathogenesis
nodules in mucosa of large intestine