Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
54 Cards in this Set
- Front
- Back
|
Hygiene hypothesis: hookworm infections stimulate ____ that down regulate ____
|
TH-1, TH-2
|
|
|
dog hookworm (and also northern species?)
|
ancylostoma caninum; uncinaria
|
|
|
infective stage of ancylostoma
|
L3
|
|
|
where are adults of ancylostoma found?
|
SI of dogs/cats
|
|
|
ancylostoma arrested development
|
pregnancy- hormones awaken L3, pups infected transplacentally or transmammary
|
|
|
diagnosis for ancylostoma in pups
|
symptoms only
|
|
|
what kind of poop do puppies with ancylostoma have?
|
dark stool
|
|
|
infection of humans with dog HW is called what (2)
|
creeping eruption, cutaneous larval migrans
|
|
|
treatment for creeping eruption
|
topical anti-bacterial ointments
|
|
|
ascariasis in humans is caused by what? visceral larval migrans?
|
ascaris lumbricoides; ingesting eggs of toxocara canis or toxacara cati eggs
|
|
|
how are pups infected with toxocara canis? toxocara cati?
|
transplacentally, transmammary
|
|
|
what kind of animal is infected with toxocara canis
|
older dogs
|
|
|
where are adults of toxocara canis found
|
small intestine
|
|
|
where do larva hatch in humans with visceral larval migrans; after they hatch, where do they go?
|
SI; into mucosa/submucosa then to eye/liver/lung/CNS
|
|
|
diagnosis for visceral larval migrans
|
antigen tests
|
|
|
DOC for visceral larval migrans
|
albendazole
|
|
|
ascarid of racoons
|
Baylisascaris procyonis
|
|
|
what is a paratenic host for toxocara and how are they infected
|
rodents ingest egg
|
|
|
pinworms (parasite?)
|
enterobius vermicularis
|
|
|
enterobius vermicularis (2 names)
|
pinworm, seat worm
|
|
|
what parasites in this group only infects humans (3)
|
enterobius vermicularis, ascaris lumbrocoides, dracunculus medinensis
|
|
|
where are adult pinworms found?
|
large intestine
|
|
|
where do pinworm eggs hatch
|
small intestine
|
|
|
what happens to the male pinworm after mating
|
he dies :(
|
|
|
what happens to the female pinworm after mating
|
crawls to anal region and releases eggs
|
|
|
what do adult pinworms do in the intestine
|
adhere to mucosa, feed on bacteria and epitheliel cells
|
|
|
clinical for enterobius?
|
itching
|
|
|
scotch tape test for which parasite
|
enterobius vermicularis
|
|
|
DOC for enterobiasis
|
mebendazole or thiobendazole
|
|
|
what needs to happen to be considered cured for enterobiasis
|
7 consecutive days of clean fecal samples
|
|
|
red stomach worm
|
haemonchus contortus
|
|
|
barber pole worm
|
haemonchus contortus
|
|
|
2 common names for haemonchus contortus
|
red stomach worm, barber pole worm
|
|
|
what does Haemonchus contortus feed on
|
blood
|
|
|
where are adults of haemonchus found
|
abomasum (4th stomach/SI)
|
|
|
where are adults of haemonchus controtus found?
|
abomasum
|
|
|
where do haemonchus contortus eggs hatch?
|
soil
|
|
|
what stage of haemonchus infects and how does it infect and what does it infect
|
ruminant ingests L3
|
|
|
bottle jaw caused by what parasite
|
haemonchus contortus
|
|
|
in arkansas, what do they feed livestock to prevent haemonchus controtus infection
|
chinese bush clover
|
|
|
3 common names for dracunculus medinensis
|
guinea worm, fiery serpent, medina worm
|
|
|
is dracunculus medinensis a zoonosis?
|
no!!
|
|
|
how are humans get dracunculiasis
|
ingesting infected copepod
|
|
|
what stage of dracunculiasis is in copepod (ingest, ingested)
|
copepod eats L1 larva, develops to L3
|
|
|
what larval stage is released in gut of human with dracunculiasis
|
L3
|
|
|
where are L4 larva found in humans with drancunculiasis, what about adults?
|
subcutaneous CT for both
|
|
|
reaction of adult dracunculus medinensis secreting enzymes
|
blister
|
|
|
is dracunculiasis a killer
|
nope
|
|
|
Carter Center prevention of dracunculiasis
|
cloth filters because copepods are big
|
|
|
IDE plan by WHO for extermination of dracunculiasis
|
identify communities, distribute cloth filters, educate infected people
|
|
|
stick winding treatment used for what disease
|
dracunculiasis
|
|
|
2 paratenic hosts for dracunculus in western hemisphere (and what parasite)
|
fish, frogs, D. insignis
|
|
|
where are larva found in paratenic hosts
|
tissue
|
|
|
what animal is infected with dracunculus insignis more than others
|
racoons
|
