intestinal tape worms - Hymenolepsis spp Flashcards
1
Q
H. nana AKA
A
Dwarf tape worm
2
Q
Scolex
A
1 circle 30 hooks
3
Q
Hymenolepsis is apolytic or anapolytic?
A
Anapolytic
4
Q
Intermediate host
A
beetle
5
Q
infected beetle is consumed by
A
a mammal host
oncosphere hatches in duodenum and imbeds in the villi
6
Q
In the villi:
A
oncosphere develops into cercocystis
7
Q
____ emerges from ______ to the _____
A
cercocystis
villi
lumen where it becomes an adult
8
Q
Infective stage of nana:
A
Eggs
9
Q
in nana ______ is _____
A
intermediate host, optional
10
Q
______ can aggravate infection
A
auto infection
11
Q
I heavy infections
A
Hymenolepiasis casues enteritis
12
Q
Dx
A
eggs in feces
13
Q
Diminuta vs Nana
A
D: lacks hooks, larger, 2nd int host required
N: with hooks, smaller, 2nd int host optional, autoinfection
14
Q
Diminuta intermediate host
A
arthropods
15
Q
Diminuta cause for infection
A
stored-grain beetle
