Card Set Information
Roundworms, hooks, whips, tapeworms
Roundworms found in canine species.
Roundworms found in feline species and in humans.
Roundworms found in canine and feline species
Which parasitic worm has an "arrowhead" shaped anterior portion?
Is the life cycle of roundworms direct or indirect?
What are the four migration routes for roundworms?
4.) in utero
True/False: adult roundworms live in the large intestine.
False: adult roundworms live in the small intestine.
App. how many eggs can an adult female roundworm produce in one day?
What is the prepatent period for
What is the prepatent period for
The infective stage of roundworm larvae takes how long to develop inside the egg?
2-4 weeks; longer if environmental conditions not right.
List three specific clinical signs of a roundworm infestation.
Rough hair coat
What is the main way roundworms cause harm to the host?
block absorption of nutrients, causing clinical signs of malnutrition.
What is the name of the OTC anthelmintic that is specifically made to treat roundworms, but not other types of worms?
What is the zoonotic potential for roundworms?
can cause Visceral Larval Migrans in humans. Ocular Larval Migrans is another form of VLM.
Baylisascaris (racoon roundworm) can cause VLM to the CNS.
What are the two genus' of hookworms?
Describe the apperance of an adult hookworm.
Small (app 1/4 inch) reddish brown, anterior end bent like a hook.
How many eggs can an adult female hookworm produce in one day?
What is the main way hookworms cause harm to the host?
Bite into lining of small intestine, suck blood, leave for another site, causing significant blood loss.
How much blood loss can one adult hookworm cause per day?
Do hookworms have an indirect or direct life cycle?
How long does it take for a hookworm egg to develop into larvae?
Larvae become infective in one week (hatch out of egg)
What are the three routes of infection for hookworms?
What is the prepatent period for hookworms?
How do puppies and kittens usually become infected with hookworms through the mother?
What age animals do you see peracute clinical signs in? What are these clinical signs?
Puppies & Kittens ~ 2 weeks old.
"Fading Puppy Syndrome" severe-fatal anemia (pale MM, prolonged CRT, low PCV, lethargy, death)
What age animals have acute clinical signs? What are these clinical signs?
Just weaned animals
Severe anemia, diarrhea, melena
What is the zoonotic potential for hookworms?
Hookworms can penetrate intact human skin and cause Cutaneous Larval Migrans (sandworms, creeping eruptions, plumbers itch)
What is the scientifc name for whipworms in canine and feline (rare) species?
Where do adult whipworms reside in the final host?
How many eggs can one adult female whipworm produce?
How do whipworms harm the host?
Digest host tissue, suck blood
What kind of blood would you see in the feces of an animal with a whipworm infection?
Do whipworms have an indirect or direct life cycle?
How long does it take for a whipworm egg to develop into an infective larvae?
2-4 weeks (larvae remain in egg)
What migration route do whipworms go through in the final host?
How long do whipworm larvae stay in the small intestine and mature before migrating to the large intestine?
What are some clinical signs of a whipworm infection?
Cyclic diarrhea with mucus and blood
What are three reasons that the ova of whipworms are not commonly observed in fecal exams?
Females are not very prolific egg layers
Ova take longer to float, up to 20 mins
Eggs shed cyclically, may not be in sample.
What is the zoonotic potential of whipworms
What are the two genus' of tapeworms commonly encountered?
What is the genus of the tapeworm with significant zoonotic potential?
True/ False: tapeworms are hermaphroditic.
What is the head portion of the tapeworm called?
What are the segment portions of the tapeworm called?
What is the term for a proglottid that contains ova?
Which type of tapeworms have rectangular shaped proglottids?
Which type of tapeworms have oval shaped proglottids?
What are three reasons that tapeworm ova are difficult to detect in the fecal exam?
Ova are in proglottids, which are motile and not always found in the feces
Ova must be released from proglottids
Ova are heavy; don't float well
Is the life cycle of a tapeworm indirect or direct?
What is the intermediate host for Taenia?
Rabbits or rodents
What is the intermediate host for Dipylidium?
Fleas or lice
What is the prepatent period of Dipylidium tapeworms?
What is the prepatent period of Taenia tapeworms?
What are the dewormers used specifically for tapeworms?
Repeat 2 weeks 2-3 times