Trichuris trichiura (whipworm) Flashcards
1
Q
Trichuris trichiura is NOT zoonotic (T/F)
A
TRUE!!!
2
Q
What are the hosts for Trichuris trichiura?
A
Humans ONLY
3
Q
What are some characteristics of Trichuris trichiura?
A
- have thin head end
- males have a single spicule.
- Female lays 20,000 eggs per day.
- Eggs are thick shelled, barrel-shaped and have easily identifiable bipolar plugs.
- 4 cm worm lives in large intestine - cecum
4
Q
What are the acute clinical symptoms of Trichuris trichiura infection?
A
Asymptomatic
5
Q
What are the chronic clinical symptoms of Trichuris trichiura infection?
A
- Abdominal pain
- Bloody diarrhea
- Anemia
- Rectal prolapse
- Impaired growth
- Reduced cognitive function
6
Q
How would one directly diagnose Trichuris trichiura infection?
A
Identification of eggs in feces
7
Q
What is the treatment of Trichuris trichiura?
A
-Albendazole
or
-multidoses of Mebendazole
8
Q
Describe the transmission of Trichuris trichiura
A
-Oral ingestion of L1 larvae in environment
9
Q
Does Trichuris trichiura have a migration stage?
A
NO MIGRATION!!!!
10
Q
What is characteristic of the Trichuris trichiura life cycle.
A
- L1 is infective stage after 2 weeks
- Adult worm embeds in mucosa of cecum
- NO MIGRATION
