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EKU Parasitology 1

QuestionAnswer
association of two different species in which one partner is benefitted and the other is neither benefitted or injured commensalism
association of two different species in which one (parasite) is benefitted and the other (host) is injured to some degree parasitism
type of parasite that cannot live apart from the host obligatory parasite
a parasite that is capable of both free living or commensal existence and may become parasitic facultative parasite
a parasite that establishes on the exterior surface of the host ectoparasite
a parasite that establishes within the body of the host endoparasite
a species which harbors a parasite and provides some metabolic resources to the parasitic species host
host in which parasite passes its adult existence and or sexual reproductive phase definitive host
host in which parasites passes its larval (immature) stage or asexual reproductive phase (required part of the life cycle of that parasites) Intermediate host
host other than normal host species which is accidentally infected, the parasite may or may not continue full development in this host incidental host
animal which harbors a parasite species which is also parasitic for humans and from which humans may become infected reservoir host
entrance int a host, growth, development, reproduction, and transmission of a parasite to a new host life cycle
arthropod or living carrier which transports a parasite from an infected host to a susceptible host, may transmit the parasite passively (mechanical vector) or may be an essential host in the life cycle of the parasite (biological vector) Vector
parasite form infective for humans infective form
parasite form usually detected in the laboratory diagnostic form
object which resembles a parasite form but is either not a parasite at all or not parasitic in the host under consideration pseudoparasite
What is another name for pseudoparasite artifact
What does protozoa mean lumen dwelling
what does nematodes mean intestinal roundworms
Why form of protozoa is entamoeba histolytica amebae
what type of protozoa is balantidium coli ciliate
what type of protozoa is giardia lamblia flagellates
what type of protozoa is entamoeba hartmanii amebae
what type of protozoa is iodamoeba butschlii amebae
what type of protozoa is dientamoeba fragilis flagellates
what type of protozoa is entamoeba coli amebae
what type of protozoa is trichomonas vaginalis flagellates
what type of protozoa is endolimax nana amebae
Enterobius vermicularis is a nematodes
hymenolepis nana is a cestodes
trichuris trichiura is a nematode
ascaris lumbricoides is a nematode
taenia saginata is a cestodes
necator americanus is a nematodes
taenia solium is a cestodes
ancylostoma duodenale is a nematode
strongyloides stercoralis is a nematode
diphyllobothrium latum is a cestode
trichinella spiralis is a nematode
What does the degree of injury in parasitic infection mean number, size, activity, and location of parasites in the host
Where would you expect to find most parasitic infections the equater
Malaria has not been endemic in the US since? 1940
simple parasites have no vectors or intermediate hosts (strictly fecal oral route)
Complex parasites have intermediate hosts, vectors
Amebas, flagellates, ciliates, hemoflagelates, sporozoa and coccidia are all groups in this classification protozoa
Unicellular eukaryotic microorganism associated with parasitic infections are known as protozoa
what is the mode of locomotion for amebas pseudopodia
what is the mode of locomotion for flagellates flagella
what is the mode of locomotion for ciliates cilia
what is the mode of hemoflagelates flagella and blood and tissues
Metazoa, worm-like invertebrates are are associated with which parasites helminths
Intestinal worms are what kind of helminths nematodes
Tissue roundworms are what kind of helminths filariae
tape worms (segmented flatworms are what kind of helminths cestoda
flukes (non segmented flatworms) are what kind of helminths trmatoda
nematodes, filariae, cestoda, trematoda are all in this group of parasites helminths
this group of parasites have a hard exoskeleton and jointed appendages arthropods
flies, mosquitoes, bugs, lice, and fleas are all what type of arthropods insects
ticks, mites, and other ectoparasites are what type of arthropods arachnids
these are really not parasites but micropredators arthropods
this implies protracted relationship, causing harm, having it for a period of time parasites
How are protozoa grouped mode of transport or movement
this form is infective for humans infective form
this form is seen in the laboratory diagnostic form
in protozoa this is the active vegetative form trophozoite
troph is another word for what trophozoite
in helminths what is the mature stage adult
in helminths what is the egg stage ovum
what is the plural of ovum ova
what does ovum mean egg
in Helminths what is the immature stage larvae
in protozoa what is the inactive, resistant, infectious form cyst
what stool specimen is best for examination naturally passed
urine, mineral oil, or radiography contrast media are all what contamination of stool
How many specimens are usually needed to detect helminth ova two
how many specimens are usually required to detect protozoa three every other day
What is the preservatives used to preserve a stool sample formalin and polyvinyl alcohol
What does PVA mean polyvinyl alcohol
What % of aqueous formaldehyde should be used to preserve fecal specimen 10%
What is the feces to formalin ratio 1:3
what type of mount is appropriate for formalin wet mount
what type of mount is appropriate for polyvinyl alcohol permanent smears
what is the feces to PVA ratio 1:3
What does SAF stand for sodium acetate acetic acid formalin
what is normally used in concentration methods SAF
sodium acetate acetic acid formalin is shortened to SAF
a sodium acetate acetic acid formalin prep is normally permanent smears
what specimen should be used in a formalin or PVA mount be stool
what specimen should be used in a wright's or giemsa prep blood
What prep is normally used to detect ova and larvae of helminths Formalin iodine wet mount
what prep is normally used to detect trophs and cysts of protozoa PVA thin, trichrome
PVA is stained with what trichrome
PVA is used to detect what trophs and cysts of protozoa
what is formalin stained with iodine
a formalin iodine wet mount is used to detect ova and larvae (helminths)
what is a thin smear of blood normally used to detect protozoa and microfilariae
what is a thick smear of blood used to detect malaria
what is the processing of a formalin prep concentration
what is a Para-Pak stool specimen collection device
This is stain makes protozoa gray blue to black with Nuclei and cellular inclusions being darker than cytoplasm iron hematoxylin
this stain has better contrast than iron hematoxylin, with protozoan trophs and cysts having a blue green to purple cytoplasm and nuclei and inclusions are red to purple red trichrome
what color is the background in a trichrome stain green
Created by: jnwells03