PARA LAB - Hymenolepis species Flashcards Preview

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Flashcards in PARA LAB - Hymenolepis species Deck (30):
1

who are most affected by hymenolepis spp

chldren

2

cn of hymenolepis nana

dward tapeworm

3

cn of h. diminuta

rat tapeworm

4

FH of h. nana

man

5

FH of h. diminuta

rats

6

RH of h. nana

rats

7

AH of h. diminuta

man

8

habitat of hymenolepis spp

small intestine

9

IH of H. nana [5]

dog flea
human flea
rat flea
rice beetle
flour bettle

10

IH of h. diminuta [6]

variety of arthropods: cockroach, rat flea, flour moths, rice beetle, flour beetle

11

SN of dog flea

Ctenocephalides canis

12

SN of human flea

Pulex irritans

13

SN of Rat flea

Xenopsylla cheopsis

14

SN of Tenebrio

Rice beetle

15

SN of Tribolium

Flour beetle

16

IS of H. nana [2]

Cysticercoid larva [Indirect Life cycle]
Embryonated egg [Direct LC]

17

IS of H. diminuta

cysticercoid larva

18

MOT of h species

ingestion

19

scolex of H. nana [describe shape and rostellum]

subglobular or rhomboidal
armed rostellum with Y-shaped hooks

20

describe hooks of H. nana

Y-shaped hooks

21

scolex of H. diminuta [describe shape and rostellum]

Knob shaped
Unarmed rostellum

22

mature proglottid of h. nana describe testes and ovary

3 ovoid testes
1 ovoid ovary

23

mature proglottid of h. diminuta describe testes and ovary

3 ovoid testes
1 ovoid ovary

24

disease manifestation of H. nana

usually asymptomatic

25

most common CESTODE infection in the word

H. nana infection

26

disease manifestation of H. diminuta

minimal and non-specific

27

egg of H. nana describe

spherical with oncosphere [w/c has 6 hooklets]
polar thickening
polar filaments [6-8]

28

Egg of H. diminuta describe

Fried egg or sunny side up appearance
spherical
oncosphere
polar thickening
NO POLAR FILAMENTS

29

dx for h. nana

stool exam

30

rx of choice for

PZQ

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