Intestinal Cestodes are also known as ______________.
a. whipworms
b. roundworms
c. pinworms
d. tapeworms
d. tapeworms
Body parts, such as the scolex, proglottids, & rostellum have to do with which type of helminth:
a. whipworms
b. roundworms
c. tapeworms
d. pinworms
c. tapeworms
____________ _____________ are also known as tapeworms.
a. Tissue cestodes
b. Intestinal cestodes
c. Blood nematodes
d. Intestinal trematodes
b. Intestinal cestodes
Ch. 53 Intestinal Cestodes
True or false, mature cestodes contain male & female organs (hermaphroditic)
TRUE
Ch. 53 Intestinal Cestodes
Body parts names (terminology)
Scolex is the
a. Embryos within the egg
b. Egg-producing units
c. Attachment structure
d. Adult worm segment
c. Attachment structure
Ch. 53 Intestinal Cestodes
Body parts names (terminology)
Proglottids are the
a. Embryos within the egg
b. Egg-producing units
c. Attachment structure
d. Adult worm segment
b. Egg-producing units
Ch. 53 Intestinal Cestodes
Body parts names (terminology)
Rostellum is the
a. Attachment structure
b. Egg-producing units
c. Crown or scolex (smooth or hooked)
d. None of the above
c. Crown or scolex (smooth or hooked)
Ch. 53 Intestinal Cestodes
This is a freshwater broad fish tapeworm that is known to be the largest human tapeworm. Fish are the reservoir host & humans are the definitive host.
a. Diphyllobothrium latum
b. Dipylidium caninum
c. Taenia saginata
d. Taenia
a. Diphyllobothrium latum
Ch. 53 Intestinal Cestodes
May cause pernicious anemia & gastrointestinal symptoms.
a. Taenia solium
b. Dipylidium caninum
c. Taenia saginata
d. Diphyllobothrium latum
d. Diphyllobothrium latum
Intestinal cestodes are also called ribbon-like ______-worms
flat
Intestinal cestodes are also called ______-like ______-worms
ribbon; flat
Ch. 53 Intestinal Cestodes
What are the 2 most common symptoms caused by the m.o. Diphyllobothrium latum?
Mild gastrointestinal symptoms & pernicious anemia
Ch. 53 Intestinal Cestodes
Diphyllobothrium latum
Diagnosis
- Eggs & ___________ are transmitted in feces.
- Eggs are _______, ______________ (lid), & yellow-brown
- _____________ are wider than they are long with a ___________-shaped central ___________.
Proglottids; ovoid; operculated; proglottids; rosette; uterus
Diphyllobothrium latum (intestinal cestode)
PREVENTION
====> Avoid consumption of ____ _______!
raw fish
Ch. 53 Intestinal Cestodes
The reservoir host of the m.o. Diphyllobothrium latum is a:
a. Fish
b. Human
c. Cow
a. Fish
Ch. 53 Intestinal Cestodes
The definitive host of the m.o. Diphyllobothrium latum is a:
a. Fish
b. Human
c. Cow
b. Human
Like Wuchereria bancroft (blood nematode), the definitive host of Diphyllobothrium latum (intestinal cestode) are:
a. Deerflies
b. Mosquitos
c. Humans
d. Ticks
c. Humans
Ch. 53 Intestinal Cestodes
Cat or dog tapeworm
a. Taenia solium
b. Dipylidium caninum
c. Taenia saginata
d. Diphyllobothrium latum
b. Dipylidium caninum
Ch. 53 Intestinal Cestodes
Pork tapeworm that can cause Extraintestinal disease called cysticercosis & intestinal infections like abdominal pain & diarrhea.
a. Taenia solium
b. Dipylidium caninum
c. Taenia saginata
d. Diphyllobothrium latum
a. Taenia solium
Ch. 53 Intestinal Cestodes
Tapeworm segments in stool (
7-13 uterine branches
), The eggs are round & oval with thickly striated shell &
6
oncospheres.
a. Diphyllobothrium latum
b. Dipylidium caninum
c. Taenia saginata
d. Taenia solium
d. Taenia solium
Ch. 53 Intestinal Cestodes
Taenia solium
PREVENTION
======> Good _________, immediate __________, & cooking _____ thoroughly!
hygiene; treatment; pork
Ch. 53 Intestinal Cestodes
Taenia solium
Serologic assays for diagnosis of ________________________ (pork tapeworm infection).
neurocysticercosis
Ch. 53 Intestinal Cestodes
Taenia solium
The
intermediate host
are:
a. Humans
b. Pigs
b. Pigs
Ch. 53 Intestinal Cestodes
Taenia solium
The
definitive host
are:
a. Humans
b. Pigs
a. Humans
Wuchereria bancroft (blood nematode), Diphyllobothrium latum (intestinal cestode), & Taenia solium (intestinal cestode) all have what in common?:
a. Pigs are the definitive host
b. Humans are the intermediate host
c. Humans are the definitive host
d. Pigs
c. Humans are the definitive host
Ch. 53 Intestinal Cestodes
Taenia solium tapeworm segments in stool has (___-___ uterine branches)
a. 15-18
b. 7-18
c. 7-13
d. 15-13
c. 7-13
Ch. 53 Intestinal Cestodes
Intestinal infection that causes diarrhea & abdominal pain is caused by which m.o.?:
a. Diphyllobothrium latum
b. Taenia solium
c. Taenia saginata
d. Wuchereria bancrofti
b. Taenia solium
Ch. 53 Intestinal Cestodes
Extraintestinal cysticercosis (larvae in tissue) is caused by which m.o.?:
a. Diphyllobothrium latum
b. Taenia saginata
c. Taenia solium
d. Wuchereria bancrofti
c. Taenia solium
Ch. 53 Intestinal Cestodes
Which m.o. has hooklets & wall with radial striations?
a. Fasciola hepatica
b. Taenia saginata
c. Wuchereria bancrofti
d. Ascaris lumbricoides
e. Taenia solium
e. Taenia solium
Ch. 53 Intestinal Cestodes
Taenia solium eggs have ____ oncospheres (nuclei)
a. three
b. four
c. five
d. six
d. six
Ch. 53 Intestinal Cestodes
The vector of Taenia solium is:
a. Cow
b. Human
c. Pig
d. Larvae
c. Pig
Ch. 53 Intestinal Cestodes
Taenia saginata
Is a _______ tapeworm.
a. Pork
b. Dog
c. Beef
d. Cat
c. Beef
Ch. 53 Intestinal Cestodes
Taenia saginata
Has a life cycle similar to T. solium, however ________ is the intermediate host.
a. Humans
b. Pigs
c. Cattle
d. Dogs
c. Cattle
Ch. 53 Intestinal Cestodes
Taenia saginata
Diagnosis
- _________ in stool (15-18 lateral branches)
- _______ in stool
Proglottids; eggs
Ch. 53 Intestinal Cestodes
Taenia saginata tapeworm segments in stool has (___-___ lateral branches)
a. 15-18
b. 7-18
c. 7-13
d. 15-13
a. 15-18
Ch. 53 Intestinal Cestodes
Which m.o. has uterine branches of tapeworm segments found in stool?
a. T. solium
b. T. saginata
c. D. latum
a. T. solium
Ch. 53 Intestinal Cestodes
Which m.o. has lateral branches of proglottids found in stool?
a. T. solium
b. T. saginata
c. D. latum
b. T. saginata
Ch. 53 Intestinal Cestodes
Taenia saginata
PREVENTION
======> Inspect _______ for cysticerci & cook thoroughly!
beef
Ch. 53 Intestinal Cestodes
Taenia saginata
PREVENTION
======> Inspect beef for _____________ & cook thoroughly!
cysticerci
Ch. 53 Intestinal Cestodes
The egg oncospheres in the life cycle of both Taenia solium & Taenia saginata develop into cysticerci in _____________.
muscle
Ch. 53 Intestinal Cestodes
Humans are infected by ingesting raw or undercooked infected _________ of both Taenia solium & Taenia saginata.
meat
Ch. 53 Intestinal Cestodes
The intermediate host of Taenia solium are ______.
The intermediate host of Taenia saginata are _________.
pigs; cattle
Ch. 53 Intestinal Cestodes
The definitive host of Taenia solium are ________.
The definitive host of Taenia saginata are _________.
humans; humans
Ch. 54 are Tissue Cestodes & which one of the m.o. from Ch. 53, Intestinal Cestodes is also included in this chapter?
Taenia solium
Ch. 54 Tissue Cestode
The most common disease caused by Taenia solium when it is in the tissue is called?
Cysticercosis
Cysticercosis
Larval infection may invade the ___________ __________ ____________ (_____), eye, or other tissues. It is also described as an ___________________ infection & it is a bag that contains cysts.
central nervous system (CNS); extraintestinal
Ch. 54 Tissue Cestode
- Larvae DO NOT reach _______ stage in humans.
- Eggs are accidentally acquired by ingestion from an _____________ host.
- Larvae deposit in various ________ & tissue.
adult; intermediate; organs