PARA Flashcards
An acute systemic hypersensitivity reaction caused by Schistosoma is called:
Bilharziasis
Katayama fever
Swamp fever
Hoeppli Reaction
Katayama fever
The scolex of Taenia saginata has:
No suckers and 14 hooklets
24 hooklets
4 suckers
26-28(?) suckers
4 suckers
Which of the following is a correct match?
Paragonimus – snail
Heterophyes – fish
Fasciola – freshwater crab
Fasciolopsis – crayfish
Heterophyes – fish
How may a patient acquire dipylidiasis?
Eating adult flea or dog louse
Eating raw pork
Eating – (?) in cereal
Eating eggs from dog’s stool sample
Eating adult flea or dog louse
The miracidial hatching test helps demonstrate the viability of:
Egg of Taenia spp.
Eggs of hookworm spp.
Eggs of Schistosoma spp.
Eggs of Opistorchis
Eggs of Schistosoma spp.
After India Ink injection, the gravid proglottids of which cestode contain 7 to 14 branches on each side?
T. saginata
T. solium
D. caninum
E. granulosus
T. solium
Human can serve as both intermediate and definitive host in infections caused by:
E. vermicularis
H. nana
S. japonicum
A. lumbricoides
H. nana
The eggs of tapeworms belonging to the order Pseudophyllidea typically hatch in an aquatic environment, whereupon the free-swimming larva, or _______ is eaten by an aquatic arthropod, and develops into a _______. If the host is eaten by a fish, the next larval stage _______, develops.
Coracidium, Procercoid, Plerocercoid
Procercoid, Coracidium, Plerocercoid
Plerocercoid, Procercoid, Coracidium
Cysticercus, Plerocercoid, Coracidium
Coracidium, Procercoid, Plerocercoid
Operculated egg with flat operculum showing abopercular thickening can be produced by which of the following species?
D. latum
S. japonicum
S. intercalatum
F. hepatica
P. westermani
Mature egg of an adult tapeworm usually accumulates in:
Mature proglottid
The neck
Gravid proglottid
Immature segment
Gravid proglottid
Consumption of raw fishes with plerocercoid larva is the mode of transmission of which species?
D. latum
S. japonicum
H. heterophyes
C. sinensis
D. latum
Cysticercoid is the infective larva of
T. solium
E. granulosus
D. latum
H. nana
H. nana
A Schistosoma egg with a terminal spine would be most likely found in which of the following?
Feces
Bile
Rectum
Urine
Urine
The form that comes from the body of snail’s first intermediate host
Metacercaria
Redia
Adult
Cercaria
cercaria
In which of the following helminths are human accidental intermediate host?
D. latum
T. saginata
E. granulosus
P. westermani
E. granulosus
In the life cycle of hermaphroditic flukes, the infective stage of the snail is which of the following?
Cercaria
Miracidium
Metacercaria
Redia
Cercaria
This adult fluke is characterized by the presence of branched intestine
F. hepatica
C. sinensis
O. felineus
P. westermani
F. hepatica
The clinical picture in tapeworm anemia
Microcytic hypochromic
Macrocytic hypochromic
Microcytic normochromic
Macrocytic normochromic
Macrocytic normochromic
The clinical picture of nematode anemia
Microcytic hypochromic
Macrocytic hypochromic
Microcytic normochromic
Macrocytic normochromic
Microcytic hypochromic
Eating poorly cooked pork can lead to an infection with:
T. trichiura 2. T. solium 3. T. spiralis
2 only
1 and 2
2 and 3
1, 2, 3
2 and 3
Non-operculated egg with minute lateral knob may be diagnostic of which of the following spp.?
D. latum
S. japonicum
P. westermani
S. haematobium
S. japonicum
Two helminth eggs that may assemble one another:
D. latum & P. westermani
T. sagina & H. nana
O. felineus & F. buski
A. lumbricoides & T. trichiura
D. latum & P. westermani
An operculated tapeworm egg that can be recovered from human feces:
C. sinensis
D. latum
P. westermani
H. heterophyes
D. latum
Refer to the illustration on the microscopic analysis of the ova.
What would be the best specimen for diagnosis?
Stool
Sputum
Colon aspirate
Urine
Urine
What is the organ location of the parasite adult?
Lungs
Small Intestine
Rectum
Bladder
Bladder
Identify the parasite
P. westermani
S. mansoni
S. japonicum
D. latum
S. haematobium
Which among the following helminths have hooks?
D. latum 2. T. solium 3. H. nana
1 only
1 & 2
2 & 3
1, 2, 3
2 & 3
The following tapeworms have rostellum, EXCEPT:
T. saginata
H. diminuta
D. caninum
T. solium
T. saginata
necessary to diagnose infection with:
P. wetermani
Two helminth eggs that may resemble one another are:
Diphyllobothrium latum and Paragonimus westermani
The adult tapeworm of Echinococcus granulosus is found in the intestine of:
dogs
Humans acquire infections with Diphyllobothrium adult worms by:
Ingestion of raw freshwater fish
Eye infections with Acanthamoeba spp. have most commonly been traced to:
Use of contaminated lens care solutions
The microsporidia are protozoans (now classified with the fungi) that have been implicated in human disease primarily in
Immunocompromised patients
In a pediatric patient, the recommended clinical specimen for recovery of Enterobium vermicularis is the:
Scotch tape preparations
When humans have hydatid disease, the causative agent and host classification are:
Echinococcus granulosus—accidental intermediate host
When malaria smears are requested, what patient information should be obtained?
Travel history
antimalarial medication
date of return to United States
The most prevalent helminth to infect humans is:
E. vermicularis, the pinworm
A helminth egg is described as having terminal polar plugs. The most likely helminth is:
T. trichiura
Autofluorescence requires no stain and identification of:
Cyclospora cayetanensis oocysts
With lopsided or D-shape ova
E. vermicularis
The unholy 3
A. lumbrocides
Trichuris trichiura
hookworm
Causes Megaloblastic pernicious (B12 Deficiency)
D. latum
What is the SECOND INTERMEDIATE HOST of D. latum?
Freshwater fishes
(1st is Freshwater crustaceans)
Diagnostic test for S. japonicum
COPT (Circumoval Precipitate Test)
Causes rectal prolapse
T. trichiura
Pudoc worm is also known as
C. philippinensis
Covered with scale-like spine, it has third sucker (gonotyl)
H. heterophyes
Rosette shape uterus
D. latum
specimen of choice for Onchocerca volvolus
skin snips
