Microbio Week 7 - Crestodes & Trematodes Online (Mini Exam) Flashcards
Cestode is another word for…
Tapeworm
Trematode is another word for…
Fluke
What is actually a family of individuals, making it a unique aspect not seen in any other multicellular organisms?
Adult tapeworm
What is a segmented, large worm?
Tapeworm
How do tapeworms reproduce?
Fragmentation
What is the definitive host for tapeworms?
Humans
What are some 2nd vertebrae hosts required by tapeworms for eggs to mature?
Beef, pork, fish
Are tapeworms an issue for vegetarians?
No
How long do adult tapeworms live?
Years or decades
What do adult tapeworms shed?
Eggs or segments with eggs
Tapeworm eggs eaten by intermediate hosts (cow, pig, fish) mature to juveniles that migrate into _______, forming cysts
muscle
When are tapeworms usually acquired?
When a carnivorous definitive host consumes a 2nd intermediate host with tissue cysts
What does ingesting tapeworm cysts lead to?
Taenasis
Adult tapeworms residing in gut
Taenasis
All tapeworms EXCEPT the pork tapeworm require how many hosts?
2
What is the pork tapeworm?
Taenia solium
How is the pork tapeworm, taenia solium, different from the other tapeworms?
Humans can be the intermediate host and only host
What is the issue with humans being the intermediate host and only host in pork tapeworm (taenia solium) infections?
Eggs live in the human and cause cysts (cysticercosis)
How do you diagnose tapeworm infections?
Segments in stool
How do you treat tapeworm infections?
Bendazoles
How can you prevent tapeworm infection?
Thorough cooking
Sanitation
(can only eliminate pork tapeworm through both cooking + sanitation; the others can be eliminated just by cooking)
Where do flukes reside?
Host organs other than the intstine
How big are flukes?
5mm - several cm
How do flukes infect people?
Swimming larvae penetrate skin
Travel in blood
Inhabit veins draining intestine/bladder
