Busy. Please wait.
or

show password
Forgot Password?

Don't have an account?  Sign up 
or

Username is available taken
show password

why


Make sure to remember your password. If you forget it there is no way for StudyStack to send you a reset link. You would need to create a new account.
We do not share your email address with others. It is only used to allow you to reset your password. For details read our Privacy Policy and Terms of Service.


Already a StudyStack user? Log In

Reset Password
Enter the associated with your account, and we'll email you a link to reset your password.
Don't know
Know
remaining cards
Save
0:01
To flip the current card, click it or press the Spacebar key.  To move the current card to one of the three colored boxes, click on the box.  You may also press the UP ARROW key to move the card to the "Know" box, the DOWN ARROW key to move the card to the "Don't know" box, or the RIGHT ARROW key to move the card to the Remaining box.  You may also click on the card displayed in any of the three boxes to bring that card back to the center.

Pass complete!

"Know" box contains:
Time elapsed:
Retries:
restart all cards
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.

  Normal Size     Small Size show me how

Intro Parasite Test

Parasite test

QuestionAnswer
What are the 3 types of Helminths? -Nematodes -Tapeworms -Flukes
What are the 3 major classes of endoparasites? -Helminths -Arthropods -Protozoa
What is the medical name of the canine roundworm? Toxocara canis
Where do roundworms live? Small intestine
What is the average length of a roundworm? 7 inches
What are the 4 methods of transmission in the toxocara canis? -Direct -Transplacental -Transmammary -Predation of host
How long can the eggs of toxocara canis live in the soil? several years
True or false. Fresh feces are not infected with toxocara canis. True
True or false. Roundworms travel via the portal bloodstream until they end up in the lungs. True
What is the average span of a lifecycle in the toxocara canis? 4-5 weeks
What are the 3 descriptions of a roundworm ova? -Rounded egg -Thick outer membrane -Dark center
Define distension. Extreme bloat of the abdomen.
What type of larval migrans can toxocara cause? -visceral -ocular -neural
What is the medical name of the hookworm? Ancylostoma caninum
Ancylostoma caninum is found in what percentage of dogs? 20%
What are the 4 methods of transmission in the Ancylostoma caninum? -Direct -Transplacental -Transmammary -Skin penetration
About how long does it take for the Ancylostoma caninum to grow and mature after digestion? 18-21 days
Female ancylostoma caninums can lay up to how many eggs per day? 30,000
What are the 3 stages of endoparasites? -Egg/ova -Hatchling -Larvae
What stage in the endoparasite is considered to be the infective stage? L3 or Larvae
What type of migration is involved with the ancylostoma caninum? Tracheal migration
What are the 3 descriptors of the ancylostoma caninum ova? -Thin outer membrane -Visible cytoplasm -Oval in shape
Describe franc blood. Blood the same color as it appears in the body.
Describe tarry stool. Dark blood found within the stool that has been digested.
Infective ancylostoma caninum larvae can penetrate the skin causing what type of migran? Cutaneous larval migran
What is the medical name of the whipworm? Trichuris vulpis
How long is the prepatent period of the trichuris vulpis? 70-190 days
What side of the body is the jejunum located? Left
When a dog is seen "flank suckling" due to trichuris vulpis, what side of the body might you see them constantly biting at? Left
True or false. Flank suckling is a unique chacteristic of the trichuris vulpis. True
Trichuris vulpis eggs can live in the soil for up to how many years? 5 years
Which parasite has double operculated eggs and is shaped similar to Stewie Griffin's head? Trichuris vulpis
What is the medical name of an adult heartworm? Dirofilaria immitis
What is the vector of the Dirofilaria immitis? Mosquito
True or false. Heartworms are common in dogs, cats, ferrets, and some humans. True
Name the non-pathogenic pseudoheartworm. Dipetalonema reconditum
What are the 3 main physical differences between the dipetalonema reconditum and the dirofilaria immitis? Tail, head, and type of movement
Describe the tail, head and movement of the dipetalonema reconditum. Tail: Hooked-- Head: Blunt--Movement: Forward
Describe the tail, head and movement of the dirofilaria immitis. Tail: Straight-- Head: Tappered-- Movement: Side to side (Undulating)
Which side of the heart do heartworms usually live? Right (Atrium and Ventricle)
How long is the prepatent period of the dirofilaria immitis? 6 months
When performing a SNAP test what is the ratio of blood to solution? 3gtt:4gtt
What is detected in a positive SNAP test? Adult female hormone
How many classes are there involved with heartworm disease? 4
What is another name for class 4 of heartworm disease? Caval Syndrome
What is the medical name of the tapeworm species that does NOT require the flea as an immediate host? Taenia
What is the medical name of the flea tapeworm? Dipylidium caninum
What must an animal ingest to become infected with dipylidium caninum? The flea
What term describes the asexual process of forming segments? Strobilation
What is the intermediate host of the fluke? Snail
True or false. Taenia have larger proglottids than the dipylidium caninum. True
True or false. Taenia are acquired by eating cysticerci in rabbits. True
Name the lizard poisoning fluke of the cat. Platynosomum fastosum
Name the salmon poisoning fluke of the dog. Nanopyetus salmincola
Name the intestinal fluke of both dogs and cats. Alaria
Name the common liver fluke. Fasciola hepatica
True or false. Flukes are nematodes. False. (Tremetodes)
What is another name for a condtion the salmon poisoning fluke causes? Elokomin fluke fever
What type of fluke is found most in the Pacific Northwest and causes hemorrhagic enteritis? Nanopyetus salmincola
What type of fluke is found primarily throughout the northern U.S and is mostly non-pathogenic? Alaria
What type of fluke requires an aquatic snail as an intermediate host and feeds on tissue for 5-6 weeks before migrating to the bile duct? Fasciola hepatica
How many eggs must be produced per day/per fluke in order to be a mild infection? 25,000 per day/per fluke
A single animal can deposit about how many fluke eggs in a pasture in 24 hours? 500,000
True or false. All coccidians are protozoas. True
True or false. All protozoa are coccidians. False
Coccidians and protozoas typically live in what part of the body? Small intestine
Name 4 types of Protozoa. -Isospara -Toxoplasm gondii -Cryptosporidium -Sarcocystis
What is the least common type of protozoa? Sarcocystis
Coccidians form what instead of laying eggs? Oocysts
Name the condition caused by coccidians in young animals. Coccidiosis
What is the most clinical sign of coccidians and what might it lead to? Diarrhea; Death
True or false. The tapeworm is a type of cestode. True
What type of parasite has the definitive host from the feline family and is considered extremely zoonotic? Toxoplasma
What type of parasite can cross the placental barrier in humans and possibly cause spontaneous abortions? Toxoplasma
What are the 3 stages of coccidians? -Sporozoite -Tachyzoite -Bradyzoite
What is also known as "The Super Egg" and can remain dormant in the environment for some time until ingested by a host. Sporozoite
What is another name for a tachyzoite? Fast dividers
What is another name for a bradyzoite? Slow dividers
True or false. Bradyzoites are often found in host they wouldn't normally inhabit. True
Anaplasma is what type of parasite? Blood parasite
Name the flagellated protozoan that is transmitted by drinking stagnant water or eating unwashed produce. Giardia
Giardia occurs as ______________________ in fecal floatations. Trophozoites
Symbiosis Living together
Predator/prey short term; one is benefitted at the expense of the other
Phoresis smaller member is carried by the larger
Mutualism both benefit
Commensalism One benefits, the other is neither harmed nor benefitted
Parasitism Between two DIFFERENT species where one lives at the expense of the other
Pilot fish on a shark Phoresis
Bee and flower Mutualism
Anemone and clown fish Commensalism
Fasciola hepatica liver fluke
Trichodectes canis biting louse
Linognathus setosus sucking louse
Ctenocephalides felis most common flea
Cuterebra Bot fly larva
Dipylidium caninum tapeworm
Felicola sustratus biting louse in the feline
Sarcoptes scabiei scabies; black mange
Demodex canis demodectic mange; red mange
Otodectes cynotis earmites
Cheyletiella walking dandruff mite
Rhipicephalus sanguineus Brown dog tick
Dermacentor variabilis American dog tick
Amblyomma americanum Lonestar tick
Notoedres scabies in felines
Babesia protozoa that infects the RBC
Ehrlichia coccidia that infects the WBC
Infection due to a parasite within the body
Infestation due to a parasite outside of the body or within the environement
Ectoparasite a parasite that lives outside of its host
Endoparasite a parasite that lives inside of its host
Superparasitism excessive parasitization of the same species
Multiple parasitism multiple species of parasites infect the host
Parasitiasis a parasite is present but the host is not showing any clinical signs
Parasitosis a parasite is present and the host shows clinical signs
Erratic/Abberant parasite when a parasite wanders from its usual site of infection to a location it doesnt normally live
Incidental parasite when a parasite occurs in a host it doesnt normally live in
Facultative free living; non parasitic in nature
Obligatory can not live freely; must have a host
Periodic parasite a parasite that does not have to live within a host; makes short frequents visits for food
Pseudoparasite resembles a parasite but is not one
Stenoxenous a parasite with a narrow host range
Euryxenous a parasite with a broad host range
Definitive host harbors the adult, sexual, or mature stages of a parasite
Intermediate host harbors the larval, immature or asexual stages of a parasite
Microfilaria heartworm larva
Direct fecal/oral
Transport host carrier
Migration travel through the body
Prepatent period infection to detection
Incubation period from infection to development of symptons
Scolex head of the tapeworm
Proglottid each segment of a tapeworm
True or false. Male nametodes are generally larger than female nematodes. False
True or false. Some Ancylostoma caninum will burrow back into the intestine and mature while others will take a tracheal migration. True
True or false. Giardia trophozoites can be detected via direct smear only. True
What transmission method is exclusive to hookworms? Skin penetration
What condition is unique when discussing a dogs reaction to trichuris vulpis? Flank suckling
The trichuris vulpis lives primarily in the _______________. Jejunum
What is the only type of parasite discussed in class that can have an egg basket? Dipylidium caninum
Hookworms are seen in over ___% of dogs. 20%
What substance must be placed on a slide in combination with feces for a direct smear? Saline
Name the substance that is used to mix feces for the floatation method? Fecasol
What is the highest magnification you can use when viewing a direct smear? 40x
True or false. The sucking louse has a smaller thorax when compared to that of a biting louse. True
Insects make up ___% of all known species of animals of all kinds. 70%
The flea can die if the temperature/time reach what? 20 degrees for 48 hours -or- 120 degress for several days
Parasites may reproduces in what kind of ways? Eggs, live young and dividing
What is the only parasite discussed in class that gives birth to live young? Heartworm
Which is longer, the prepatent or the incubation period? Incubation
What is the generic word for worm? Helminth
Tapeworms are part of what family? Cestodes
How many eggs per hour can a female flea lay? 1 per hour
How many days does it take for hookworms to mature after ingestion? 18-21 days
What is the prepatent period of whipworms? 70-190 days
True or false. Male nametodes are generally larger than female nematodes. False
True or false. Some Ancylostoma caninum will burrow back into the intestine and mature while others will take a tracheal migration. True
True or false. Giardia trophozoites can be detected via direct smear only. True
What transmission method is exclusive to hookworms? Skin penetration
What condition is unique when discussing a dogs reaction to trichuris vulpis? Flank suckling
The trichuris vulpis lives primarily in the _______________. Jejunum
What is the only type of parasite discussed in class that can have an egg basket? Dipylidium caninum
Hookworms are seen in over ___% of dogs. 20%
What substance must be placed on a slide in combination with feces for a direct smear? Saline
Name the substance that is used to mix feces for the floatation method? Fecasol
What is the highest magnification you can use when viewing a direct smear? 40x
True or false. The sucking louse has a smaller thorax when compared to that of a biting louse. True
Insects make up ___% of all known species of animals of all kinds. 70%
The flea can die if the temperature/time reach what? 20 degrees for 48 hours -or- 120 degress for several days
Parasites may reproduces in what kind of ways? Eggs, live young and dividing
What is the only parasite discussed in class that gives birth to live young? Heartworm
Which is longer, the prepatent or the incubation period? Incubation
What is the generic word for worm? Helminth
Tapeworms are part of what family? Cestodes
How many eggs per hour can a female flea lay? 1 per hour
How many days does it take for hookworms to mature after ingestion? 18-21 days
What is the prepatent period of whipworms? 70-190 days
What is the vector of the heartworm? mosquito
How would one contract giardia? Eating unwashed produce or drinking stagnant water.
What is the asexual process of producing tapeworm segments? Strobilation
Which lifecycle aids in the diagnosis of a specific parasite? Diagnostic stage
Giardia is what type of parasite? Protozoa
Created by: fadedfaithless