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What body area do nematodes infect?
What are nematodes treated with?
- Pyrantel pamoate
What would you use Mebendazole, Albendazole and pyrantel to treat?
How long do Nematodes last in the gut?
What type of parasite is a Pinworm?
Helminth-Nematode - Intestinal Nematode
What is the best adapted and most widespread nematode?
What is Enterobius vermicularis?
What is another term for Enterobius vermicularis?
What Helminth has the simplest lifecycle?
Describe the lifecycle of Enterobius vermicularis:
- Male and female mate in intestines
- eggs laid in rectal area
- Itching by host causes re-infection by oral fecal route
- Dust particles transmit to other hosts
If Enterobius vermicularis is found in a patient what should their treatment include?
The whole family at once
What causes itching in patients with Enterobius vermicularis?
Wiggling of the female
What type of parasite is Ascaris lumbricoides?
How many people are infected with Ascaris lumbricoides?
>1 billion worldwide
How many people in the U.S. are infected with Ascaris lumbricoides?
Where does Ascaris lumbrocoides reside in the body?
What is an environmental requirement for Ascaris lumbricoides?
Warm humid climate for eggs to mature in feces
How many eggs do female Ascaris lumbricoides lay per day?
Once passed from the feces, how long does it take for Ascaris lumbricoides eggs to mature in the soil?
Describe the lifecycle of Ascaris lumbricoides:
- Eggs ingested
- Hatch in intestine
- Larvae released into blood
- Rupture blood vessels and enter the lung
- coughed up and swallowed
- Return to intestine
How does Ascaris lumbricoides cause damage to th ehost?
- Larvae in lungs
- Intestinal obstruction