Micro- worms

Question 1

Common name of the flatworm (tapeworm)

Answer 1

Cestodes

flatworm (fluke): trematoes

Question 2

Common name of the round worms?

Answer 2

Nematodes

Question 3

Common name of the common name of the flatworm (fluke)

Answer 3

trematodes

flatworm (tapeworm): cestodes

Question 4

Dwarf tapeworm: ______
vector: mouth
s/s: diarrhea

Answer 4

Hymenolepis nana

Question 5

taenia saginata: vector?

type of parasite?

Answer 5

uncooked beef

Tapeworm (cestodes)

Question 6

taenia solium: vector?

Type of parasite?

Answer 6

uncooked pork

takeworm (cestode)

s/s: cysticercosis, larva in cyst in the eye/ liver/ brain

Question 7

Diphyllobothrium latum: vector?

Type of parasite?

Answer 7

mouth, contaminated sushi

tapeworm (cestodes)

s/s: pernicious anemia
MCC: yellow tuna

Question 8

Echinococcus granulosus: vector?

Type of parasite?

Answer 8

canine feces

tapeworm (cestode)

s/s : cyst in the liver

Question 9

shistosoma japonicum: vector?

type of parasite?

Answer 9

infested waters–> penetrates unbroken skin. host in snails = blood fluke

s/s: swimmers itch, inhabits the liver
MCC: of death by a helminth worldwide

Question 10

MCC of DEATH by a heminth world wide is the ______ parasite

s/s:

Answer 10

shistomsoma japonicum

vector: infested waters–> penetrates unbroken skin. host in snails

(MC infection: ascariasis)

Question 11

Fasciolopsis Buski: vector?

type?

what does it attack?

Answer 11

vector: contaminated smail feces get into aqua plants
type: trematode
attacks: intestines

Question 12

2 trematodes that attack the liver

Answer 12

clonorchis sinensis - raw fish

fasciolopsis hepatica - contaminated aquatci plants

Question 13

paragonimus westermani: vector?

type of fluke

Answer 13

crayfish –> via mouth

pulmonary fluke

Question 14

what three roundworms are caused by oral-fecal

Answer 14

1. ascaris lumbricoides: colicky pn
2. enterobius verminculasis: scotch tape “anal cellophane test”
3. trichuris trichura: the whipworm

Question 15

MCC of death by helminth:_______

MC infection worldwide by helminth: _______

MC helminth in the US: ________

MC hootworm in the US

Answer 15

ascaris lumbricoides death: shistosoma japonicum

infection worldwide: ascariasis

US: enterobius vermicularis

Hookworm in the US: necator americanus

Question 16

MC roundworm:____

Answer 16

ascaris lumbricoides

vector: oral-fecal

s/s colicky pn, lives in SI

MC helminthic infection worldwide

Question 17

Elephantitis/ lymphatic blockage= _____ roundworm

vector?

Answer 17

Wuchereria bancrofti (filiariasis)

vector: mosquito

Question 18

MC hookworm in the US

Answer 18

Necator americanus

Question 19

Scotch tape or “anal cellophane” test: _____ nematodes

causes nocturnal anal itching

Answer 19

Enteronius vermicularis

pinworm

Question 20

name the 2 namatodes that are carried by flies in Africa

Answer 20

1. Onchocerca colvulus: river blindness

2. Loa Loa: River eye worm

Question 21

trichonella spiralis: vector?

where does it reside?

Answer 21

vector: raw pork
resides: lives in striated M’s, intercostals, diaphragm

bx M. to confirm

Question 22

Nematode that causes wt. loss

vector: oral fecal

Answer 22

trichuris trichura

tric tricky to loose wt

Question 23

structure of a parasitic worm:

Head aka: ______- attaches to the intestine
Body aka:_______- egg generateing segment

Answer 23

head: scolex
body: proglottis