Lecture 3-Giardia Flashcards
1
Q
Phylum of Giardia
A
Retortamonada
2
Q
3 phases of Giardia infection
A
latent, acute, elimination
3
Q
Preferred host
A
all vertebrates
4
Q
Where do adults live?
A
intestines
5
Q
2 stages of life cycle?
A
trophozoite and cyst
6
Q
How is it transmitted?
A
direct contact, food or water
7
Q
Zoonotic
A
parasite is passed from animals to humans
8
Q
self-limiting infection
A
illness that will either resolve by itself or no long-term harmful effects on a person’s health
9
Q
Sucking disk
A
ventral depressions that allow it to attach to host
10
Q
How many flagella does it have?
A
8
11
Q
Characteristics of infection (x4)
A
- low numbers needed to start infection
- multiplication in host-transmission
- self-limiting
- latent, acute, chronic phases
- cross-species transmission
12
Q
Changes in intestinal morphology
A
- shorter villi
- deeper crypts
13
Q
Which Ig’s are increased during Giardia infection?
A
IgM, IgA, IgG
