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