EUKARYOTES- HELMINTHS

What is the scientific name for human tapeworms?

Taenia solium

Are Taenia solium platyhelminthes or nematode?

Platyhelminthes (cestode)

How is Taenia solium contracted?

ingestion of tapeworm larval cysts (cysticerci) found in undercooked and infected meat

What drug would be the drug of choice to combat Taenia solium?

Praziquantel

What is the scientific name for dog tapeworms?

Dipylidium caninum

is Dipylidium caninum a platyhelminthes or nematode?

platyhelminthes (cestode)

What is the intermediate host for Dipylidium caninum?

fleas

How does a dog contract Dipylidium caninum?

ingesting a flea infected with tapeworm larvae

How can a human contract Dipylidium caninum?

ingestion of infected flea

What are giant roundworms known as?

Ascaris lumbricoides

Is Ascaris lumbricoides a platyhelminthes or nematode?

nematode

What is the order of body systems that Ascaris lumbricoides affects?

1. digestive system

2. circulatory system

3. respiratory system

4. digestive system

How does a person contract Ascaris lumbricoides?

eating uncooked fruits or vegetables that have been grown in contaminated soil

What are the appropriate drugs use to properly treat Ascaris lumbricoides?

mebendazole, albendazole, and ivermectin

What is the scientific name for Chinese or oriental liver fluke?

Clonorchis sinensis

What does clonochis sinensis feed on?

bile of its host

what are the definitive host for clonochis sinensis?

humans

what are the intermediate host for clonochis sinensis?

1. snail

2. fish

What is the scientific name for the helminth that is contracted through Fecal-oral transmission?

Enterobius vermicularis

Is Enterobius vermicularis platyhelminthes or nematode?

nematode

What simple tool is used to test for infection for Enterobius vermicularis?

cellophane tape test or pinworm paddle

Where does the female Enterobius vermicularis lay her eggs?

perianal folds

What is the scientific name for the helminth that is contracted through the skin penetration?

Necator americanus

Is Necator americanus a platyhelminthes or nematode?

nematode

what is the name and function of the male distal end for Necator americanus?

copulatory bursa (anchors the male to the female during copulation)

What is the scientific name for the helminth that is contracted by consumin raw or undercooked meat contaminated with Trichinella cysts?

Trichinella spiralis

If Trichinella spiralis larvae are encysted in a human muscle tissue, what will it take for the parasite to complete its life cycle to adulthood?

The host needs to be consumed

What is the helminth that causes Rat lungworm disease?

Angiostrongylus cantonensis

Is Angiostrongylus cantonensis a platyhelminth or nematode?

Nematode

What type of host are humans when it comes to Angiostrongylus cantonensis?

accidental and dead end hosts

What are the typical symptoms of Angiostrongylus cantonensis in humans?

• severe headaches

• neck stiffness

• nausea

• vomiting

• fever

• sensitivity to light

• tingling or painful sensations in the skin