TEST 3 Flashcards
what organism causes pain, diarrhea, appetite loss, obstruction intestine, nervous, eosinophil increase 10%
taenia saginata
how does taenia saginata go throughout the body
systemic circulation
how long does it take for taenia saginata to become an adult
8 to 10 weeks
what is the intermediate host of taenia saginata
beef
what kind of eggs does taenia saginata have
oncosphere/hexacanth with thick mmb, straited
what kind of fertilization do most cestodes do
cross fertilization
what part of the intestine is taenia saginata found
jejunum
what shape is the scolex of taenia saginata
cupshape
how many eggs does taenia saginata lay a day
100000
what kind of uterus /gravid does taenia saginata have
15-30
how many segments is taenia saginata
1000
how long are taenia saginata
4-8 m
aka taenia saginata
beef tapeworms
what organism causes these symptoms: abdominal pain, diarrhea, weight loss, maldigestion, and nervous problems
dipylidium caninum
how many organism does each scolex produce (dipylidium caninum)
1
what kind of larvae develop in the intestine (dipylidium caninum)
cysticercoid
true or false: dipylidium caninum eggs clump together in 5 or more
true
what kind of eggs does dipylidium caninum have
hexacanth
what kind of opening does dipylidium caninum have
bilateral opening
describe the segments of dipylidium caninum
length of segment is longer
what part of the intestine does dipylidium caninum infect
jejunum
what kind of scolex does dipylidium caninum have
rostellium
how many suckers does dipylidium caninum have
4
what does dipylidium caninum infect
cats and dogs
how is dipylidium caninum transferred to dogs
fleas
how many segments does dipylidium caninum have
75 to 175
how long is dipylidium caninum
25 - 70 cm
aka dipylidium caninum
dog tapeworm
what kind of egg does Hymenolepis diminuta
hexacanth with no polar thickening
what kind of suckers does Hymenolepis diminuta have
4 cup shape, no hooks
what is intermediate host of Hymenolepis diminuta in humans
none
what is the intermediate host of Hymenolepis diminuta in rats and mice
flea
what part of the intestine does Hymenolepis diminuta attack
ilium
how many segments is Hymenolepis diminuta
400-500
how long is Hymenolepis diminuta
10-60 cm
what can be a carrier host of Hymenolepis nana
beetle
what causes abdominal pain, diarrhea, headache, weight loss, nervous system, eosinophil increase 10- 15%
hymenolepis nana
what part of Hymenolepis nana causes problems
hooks
how do people get Hymenolepis nana
contamination: hand, eating, water
what kind of infection does Hymenolepis nana do
autoinfection
what is the intermediate host Hymenolepis nana
none
how are the eggs of Hymenolepis nana released in the feces
gravid segment breaks off
what segment has eggs in Hymenolepis nana
gravid
what is the shape of Hymenolepis nana eggs
oncosphere
what kind of larvae does Hymenolepis nana have
cystecercoid larvae
how many ovaries does Hymenolepis nana have
2
how many testes does Hymenolepis nana have
3
describe the segment of Hymenolepis nana
longer and wider
what part of the intestine is Hymenolepis nana found
jejunum and ilium
what is the shape of the rostellum of Hymenolepis nana
crown shape
what kind of body does Hymenolepis nana have
slender
how many segments is Hymenolepis nana
200 segments
how long is Hymenolepis nana
20 mm
aka Hymenolepis nana
dwarf tapeworm
how is diphyllobothrium latum diagnosed
look at opperculated egg and the knob at the end
what organism causes abdominal pain, digestive disorder, malnutrition, weight loss, loss of apetite, anemia, nervous problems, block intestine
diphyllobothrium latum
who causes the most anemia diphyllobothrium latum, taenia saginata, or sodium
diphyllobothrium latum
how does diphyllobothrium latum cause anemia
takes B12
how long does it take for diphyllobothrium latum to become an adult
1 mo
how many eggs does diphyllobothrium latum lay per day
1000000
what stage of the diphyllobothrium latum egg is infective
pleurocercoid
(diphyllobothrium latum eggs): coracidium –> copepod/cyclops –> procercoid –> ___ –> pleurocercoid
fish
what is the 1st intermediate host of diphyllobothrium latum
copepod/ cyclops
what kind of eggs are diphyllobothrium latum
hexacanth
what kind of larvae is in the eggs of diphyllobothrium latum
solid type
true or false: diphyllobothrium latum eggs are not opercullated
false
how do all cestodes attach to the intestines
suckers
what part of the intestine is diphyllobothrium latum found
ileum (last part of small intestine)
what kind of scolex does diphyllobothrium latum
bothria
what kind of genital pore does diphyllobothrium latum have
central
how many segments does diphyllobothrium latum have
3000-4000 segments
how long is diphyllobothrium latum
4- 10 m
aka diphyllobothrium latum
broad/Fish tapeworm
aka taenia solium
pork tapeworm
who is bigger taenia solium or taenia saginata
t saginata
how long is taenia solium
2-4 m
how many segments does taenia solium have
500-1000
how many branched /gravid segments does taenia solium have
5-15
what kind of scolex does taenia solium have
rostellum
how many eggs does taenia solium lay per day
500-1000
what part of the intestine do you find taenia solium
jejunum
what is the motorium
nervous system
describe the segments of taenia solium
wider
how do the eggs of. taenia solium circulate in the pigs
systemic circulation
what is the cyst called of taenia solium
cysticercus cellulosa
true or false: taenia solium cysticercus cellulosa has hooks
true
what is the 1st larval stage of taenia solium in humans
cysticercus cellulosa
what organism causes severe abdominal pain, diarrhea, bleeding, maldigestion, nervous system, number of eo increase 30%
taenia solium
what animals have taenia pisiformis
dogs and cats
how long is taenia pisiformis
50 cm
what kind of scolex does taenia pisiformis have
rostellium type
taenia pisiformis has 2 rows of ____
hooks
what kind of openings does taenia pisiformis have
alternate
what is the intermediate host of taenia pisiformis
rabbit
where do you find the eggs of taenia pisiformis in rabbits
liver
what is the larvae called of taenia pisiformis
cysticercus
what are the 2 categories of cestodes
intestinal and extra intestinal
where do you find adult organisms of intestinal cestodes
intestines
where do you find the larvae of intestinal cestodes
other animals
where do you find adult organisms of extra intestinal cestodes
not found in humans
where do you find the larvae of intestinal cestodes
humans
how do you get rid of extra intestinal cestodes
Surgery
aka echinococcus granulosus
dog tapeworm
how long is echinococcus granulosus
2-3 mm
what kind of scolex does echinococcus granulosus have
rostellum
where do you find echinococcus granulosus in dogs
small intestine
what kind of cestode is echinococcus granulosus
extra intestinal
what kind of cyst is echinococcus granulosus have
hydrated cyst or echinococcus cyst
what is the intermediate host of echinococcus granulosus
sheep
what is the most common type of cyst
unilocular
what kind of tissue do you find unilocular cyst
soft tissue
where do u find osteocyst
cartilage
bone
true or false: osteocyst can not grow if it breaks off
true
where do you find alveolar cyst
alveoli of the lungs
what kind of cyst does echinococcus multicularis have
alveolar cyst
what kind of cyst is alveolar cyst
hydrated cyst
what prevent alveolar cyst from going to different parts of the body
b/c they are full of jelly
where do you find taenia solium in humans
small intestines
what kind of cestode is taenia solium
extra intestinal
how do people get taenia solium larvae
ingest egg from another person
what does the larvae of taenia solium cause in humans
cysticercus cellulose
what kind of infection does taenia solium cause
intestinal autoinfection
what serology test are ran for taenia solium
CFT
casoni test
hemagglutination
what kind of larvae spargana disease have
procercoid and pleuocercoid
what does spargana disease cause
sparganosis
what organism causes spargana disease
spirometry mansonoides
what animals would you find adult spirometry mansonoides
cats and dogs
what is the intermediate host of spirometry mansonoides
cyclops
what host is the procercoid of spirometry mansonoides produced
cyclops
what host is the pleurocercoid produced
snake/frog
what organism causes pain, fever, edema, chills, and EO increase
spirometry mansonoides
what animals has the larvae of coenurus
sheep
human
where does coenurus cerebralis occur
brain
what is the adult larvae called in coenurus
multiceps multiceps
what host has multiceps multiceps
dogs
where do u find multiceps multiceps in dogs
intestines
how many rows of hooks does multiceps multiceps have
2
how many suckers does multiceps multiceps have
4
what is the shape of multiceps multiceps eggs
hexacanth
true or false: the eggs of multiceps multiceps produces multiple cyst
true
aka aschelminthes
roundworm
what class only belongs to Nematoda
aschelminthes
how long is strongyloides stercolaris
2-3 mm
how long is dracunculus medinensis
10 m
describe the males in class aschelminthes
small
thin
describe the females in class aschelminthes
large
thick
what are the 3 layers of class aschelminthes
cuticle
subuticular
body cavity
what kind of body cavity is none
acoelomate
what kind of body cavity is surrounded by mesodermal tissue
eucoelomate
what kind of body cavity is not completely surrounded by mesoderm, only skin
pseudocoelomate
true or false: class aschelminthes has a curculatory system or respiratory system
false
is class aschelminthes mono do dioecious
dioecious
what is the nephridial system in class aschelminthes composed of
2 nephridial tubes
where do the nephridial tubes attach and open in class aschelminthes
nephridial pore
where does nephridial pore open in class aschelminthes
esophagus
what is the nervous system composed of in class aschelminthes
1 nerve ganglia
what does the nerve ganglia surround in class aschelminthes
esophagus
where are the eggs found in class aschelminthes
uterus
true or false: the majority of class aschelminthes does not have an intermediate host
true
how big is class aschelminthes
45-50 microurons
where are the adults found for intestinal nematodes
intestine
true or false: intestinal nematodes do not need an intermidate host
T
what shape is accuis lumbricoides
rounded
aka accuis lumbricoides
common roundworm
where do you find accuis lumbricoides in the world
all over
what color is accuis lumbricoides
yellowish creamy color
what attaches to the esophagus in accuis lumbricoides
3 lips
where do you find accuis lumbricoides in the body
small intestine
sometimes in body cavity
what kind of eggs does accuis lumbricoides have
fertilized
non-fertilized
what kind of egg has sperm inside ovum
fertilized
what kind of egg can be dangerous
fertilized
what shape are fertilized eggs
round
why are non fertilized eggs not dangerous
there is no sperm
what shape are non fertilized eggs
oval
what do corticated/decorated eggs use for protection
albumin
what does the cytoplast produce once sperm gets inside the egg
fertilization mmb
function of the fertilization mmb
doesn’t let another sperm inside the egg
why do fertilized egg have a rounded shape
Fertilization mmb
how do people get accuis lumbricoides eggs
Contaminated vegetables
aka enterobius vermicularis
pin worms
seat worms
bed worms
where is enterobius vermicularis found in the body
anus (night time)
cecum
how do people get enterobius vermicularis
ingestion of eggs
how does enterobius vermicularis release eggs
contraction of uterus
what shape are enterobius vermicularis eggs
half rounded
half flat
what causes these symptoms poor appetite, weight loss, abdominal pain, vomiting, nervous problems
enterobius vermicularis
who are most likely to get enterobius vermicularis
children
how to diagnose enterobius vermicularis
look at eggs in feces 1st morning
graham tape is used
aka trichuris trichiura
whip worm
where does trichuris trichiura get food
lysed tissue
what kind of genital system does trichuris trichiura have
tubular structures
where do you find trichuris trichiura in the body
small intestine
what does trichuris trichiura non developed embryo look like
lemon shaped
how do people get trichuris trichiura
direct contamination
where in the body do trichuris trichiura cause problems
cecum
appendix
what is the worst nematode
trichuris trichiura
what organism causes these symptoms diarrhea, weight loss, headache, abdominal pain, anemia, fever, EO increase
trichuris trichiura
how do you diagnose trichuris trichiura
find eggs in feces
aka trichostrongylus stercoralis
thread worm
what is the smallest nematode
trichostrongylus stercoralis
what kind of diarrhea does trichostrongylus stercoralis cause
cochin china diarrhea
what are the 2 adult phases of trichostrongylus stercoralis
free living
parasitic
what adult phase of trichostrongylus stercoralis is found outside
free living
what adult phase of trichostrongylus stercoralis is inside the intestines
parasitic
what adult phase of trichostrongylus stercoralis is longer
parasitic
where is the adult phase of trichostrongylus stercoralis found in the body
jejunum
what is the larvae called for trichostrongylus stercoralis
rhabditiform larvae
what are the 3 diff life cycles of trichostrongylus stercoralis
direct
indirect
autoinfection
which life cycle of trichostrongylus stercoralis is: outside in the feces as rhabditiform –> filariform larvae in soil –> penetrate skin –> blood stream –> systemic circulation –> SI –> adult
direct
which life cycle of trichostrongylus stercoralis is: rhabditiform larvae –> adult is outside they mate outside –> egg is formed –> rhabditiform develops –> filariform larvae –> penetrate skin –> systemic circulation –> adult in SI
indirect
what adult phase of trichostrongylus stercoralis is in the indirect life cycle
free living
which life cycle of trichostrongylus stercoralis is: rhabditiform larvae stays in body –> filariform larvae –> systemic circulation
autoinfection
where in the world is the auto infection life cycle of trichostrongylus stercoralis found
tropical area in US
what organism causes trichinellosis
trichinella spiralis
what animals do you find trichinella spiralis
dogs
pigs
humans
cats
is trichinella spiralis a small or big organism
small
do the adult or larvae of trichinella spiralis cause problems in humans
both
what part of the small intestine do you find trichinella spiralis
jejunum
duodenum
true or false: trichinella spiralis can be found in the feces
F
where does trichinella spiralis become male and female
intestine
how do people get trichinella spiralis larvae
eating pig muscle
what type of trichinella spiralis lays eggs
ovoparous
what type of trichinella spiralis eggs develops in the uterus
viviparous
what factors control the severity of trichinella spiralis
age
# of larvae
resistance
# of worms
what larvae causes calcification
trichinella spiralis
aka hookworms
blood suckers
what was the first hookworm found
A. duodenale
what sex is bigger in hookworms
Females
what is the cavity called in hookworms that have sharp plates and teeth
buccal cavity
where is necator americanos vulva
anterior side
is the females of necator americanos posterior side soft or hard
soft
what is in the buccal cavity of necator americanos
2 ventral pairs 2 dorsal pairs of sharp plates
how many pairs of ventral teeth does ancylostoma braziliense have
2
where is the vulva of ancylostoma duodenal
posterior side
where is the spine of females ancylostoma duodenal
posterior side
how many pairs of ventral teeth do ancylostoma duodenal have
2
how many pairs of teeth does ancylostoma caninum have
3
where is N. americanus and A. duodenale found
small intestine
where does N. americanus and A. duodenale release eggs
feces
how many cell develop (N. americanus and A. duodenale)
4 to 8
do N. americanus and A. duodenale have a thin or thick membrane
thin
what shape are N. americanus and A. duodenale
oval
what kind of larvae of N. americanus and A. duodenale develop outside before going to humans
rhabditiform larvae
what kind of larvae of N. americanus and A. duodenale penetrate the skin of people
filariform
how are N. americanus and A. duodenale able to suck blood in small intestine
produce anticoagulant
what is finial host of N. americanus and A. duodenale
humans
how do people get a. braziliense and A. caninum
ingestion of filariform larvae
what kind of tissue do you find a. braziliense and A. caninum
subcutaneous
what is it called when a. braziliense and A. caninum cut through the skin
creeping eruption
