Parasitology intestinal nematodes
Terms in this set (55)
visceral larval migrans
caused by migration of parasitic larval stages through body viscera, since the human is an abnormal host for this parasite normally found in cats and dogs, larvae do not mature and produce eggs
prominent primitive mouth
disseminated parasitosis in immunosuppressed, malignant, or malnourished hosts, caused by autoinfection with Strogyloides stercoralis
primitive mouth, found in some helminths
description of the egg of Ascaris lumbricoides, after loss of the characteristic mamillated outer covering
an egg containing a developing embryo
the infective third stage larva of certain nematodes
egg bearing female
an immature form of a helminth
a roundworm, having a complete digestive system
the free-living first stage larva of certain nematodes
The largest intestional roundworm is__________ ___________.
The_______ _______test should be ordered to diagnose pinworm infection.
Infection with Strongloides stercoralis may lead to the __________ syndrome.
Nematodes are members of the phylum________.
Infection with the pinworm is called _________.
The ova of the pinworm are associated with the protozoan parasite_________ __________.
Nematodes are in the class________.
When the mammillated outer covering of the Ascaris ovum is absent, the ovum is said to be__________.
The name of the dog cat ascarid is__________ _______.
The adult worm of ________ __________resmebles a whip.
The primitive mouthparts of hookworms are called_______ _______.
The life cycle of Necator americanus is identical to that of ________ _________.
The infective form of Necator americaus is the ________ ________.
The rhabditiform larva of the hookworm develops into a filariform larva in the_______.
The diagnostic stage of Strongyloides stercoralis infection is the________ ________.
The ________ _______ of Strongyloides stercoalis infect humans by penetrating the skin.
In addition to human feces, nematode larvae may sometimes be found in _______.
To prevent infection with intestinal nematodes, the use of_______ ______ as fertilizer should be avoided.
Patients suspected of having strongyloidiasis should not be given ________.
The rhabditiform larva of Strongyloides stercoralis has a large ______ _______.
The diagnosis of strongyloidiasis is usually made by finding which form in the stool specimen?
the rhabditiform larva
A child complaining of rectal itching and insomnia is most likely suffering from__________ infection.
Which larvae infects the host via penetration through thr skin?
Necator americanus rhabditiform larvae
Fertilized, unfertilized, and decorticated eggs of _________ _________ may be found in the stools of infected persons.
Autoinfection may occur with which nematode?
Which helminth is known as the whipworm?
Which nematode is not acquired by ingestion?
Visceral larva migrans is caused by the larvae of which parasite?
Barrel-shaped, bile stained ova, with clear, prominent polar plugs at each end are characteristic of _______ _______.
The mouthparts of _________ _________ consist of cutting plates.
The________ of the hookworm is not capable of living independently.
The hookworm egg hatches to produce the_______.
Infection with Necator americanus is acquired when the___________penetrates the skin.
The diagnosis of hookworm infection is usually made by detecting the___________ in human feces.
The adult female of the__________ may be self fertilizing.
The diagnosis of strongyloidiasis is usually made by the detection of ___________ in human feces.
Free living forms of___________ ___________ may be present in soil.
Rhabditiform larvae of _________ _________ may penetrate the anal skin, causing autoinfection.
Thich eggshells are found in the ova of ________.
Infection with which nematode is not acquired by skin penetration?
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