Test 1 Possible Questions Flashcards
Most important factor in distribution of parasitic infection in industrialized nations is?
Plane travel (also, rapid traveling and High number of immunodeficient people)
Plasmodium reproduces via sexual or asexual?
Both asexual in humans and sexual in mosquito
The entamoeba histolytica infection can be prevented and ocontrolled by the _____?
Water Treatment & Food sanitation
Nagelaria fowleri that normally infect _______ can accidently infect human and cause primary acute meningoencephalitis.
Ducks and Geese
Naeglaria fowleri infection in human begins with entrance of parasite to _____ by _____.
Nasal passage, Diving and swimming
Trichomonas vaginalis is transmitted by ?
Sexual intercourse
A flagellated protozoa that inhabit the atria of human and causes sexually transmitted disease.
Trichomonas vaginalis
An amoeba that is normally found among ducks, geese, and swans. It is an accidental parasite of humans and may cause primary acute meningocephalitis.
Naeglaria Fowleri
The 3rd most common round worm in the USA is:
Whipworm (trichuris trichuria)
The 2nd most common round worm in the USA is:
Ascaris (longest)
The MOST common round worm in the USA is:
Pinworm (enterobus)
An intestinal flagellate with no observable flagella that uses pseudopodia for movement and causes diarrhea in humans:
Dientamoeba Fragilla
Dientamoeba fragilis, an intestinal parasite that uses _____ for movement and causes diarrhea in humans.
Pseudopodia
Giardia is not highly invasive; the target tissue is the:
Intestine
This vector is able to transmit Kala- azar disease to humans.
Sand fly
Diagnosis of malaria is achieved through direct identification of plasmodia in a?
Blood smear
The number of worms in the intestinal tract is the:
Worm burden
Common name for anisakidae marina is:
Herring worm
The parasitic organism most commonly associated with waterborne outbreaks of diarrhea in GA?
Cryptosporidium Parvum
A blood parasite that invades all red blood cells and is known as the deadliest plasmodium.
Plasmodium Falciparum
The definitive (final) host for toxoplasma gondii is?
Domestic Cat
Increase in worm burden in the intestinal tract will happen by?
Reinfestation
A blood parasite that invades reticulocytes is characterized by simple ring forms may cause a rue relapse is:
Plasmodium vivax
Since infection with toxoplasmosis during pregnancy may cause embryonic or fetal damage, pregnant woman should avoid contact with?
Cat feces
The final host for plasmodium malariae is?
Female anopheles Mosquito
The most common intestinal flagellated protozoa isolated from clinical specimens in the USA is?
Giardia lamblia
Source of transmission of Giardia Lamblia?
Contaminated food & contaminated water
When the parasite live on the host and its life cycle will not be completed there:
Infestation
Host that parasite passes its adult and sexual reproduction:
Definitive host
Transport parasite from infected host to non-infected host:
Arthropoda
An animal that harbors a species of parasite and can serve as a source of parasitic infections:
Reservoir
Hosts that parasite passes its larvae and asexual reproduction:
Intermediate host
Diagnosis of filariasis is difficult because symptoms are broad- spectrum, but with the identification of microfiliaria and examining _____ diagnosis is possible.
Presence or absence of sheath Array of stained nuclei on the tail
Trichinella spiralis larvae can be encysted in striated muscle of mammal, and can be transmitted to human by?
Undercooked meat
The eggs of this intestinal roundworm do not require incubation in warm humid soil for its infectivity:
Pinworm
Anisakidae marina worm infections is very common in?
Japan
Plasmodium vivax causes mild hemolytic anemia because of invasion of?
Immature red blood cells
Which one of the following is the most likely way to get infected by Giardia lamblia?
Ingestion of cyst
A unique feature of sporozoan is that they?
Have a complex method of reproduction including asexual, and sexual.
Which of the following genera causes vaginitis
Trichomonas