Exercise 31; protozoans/ parasitic worms Flashcards
helminths
parasitic worms- IG tract
protozoa
single celled eukaryotic organisms like amoeba and paramecium, can be a parasite
nematode
- round worms
- helminths
- heartworm (dirofilaria immitis)
cestode
tapeworm
- taenia pisiform (undercooked pork)
trematode
fluke
- schistoma mansoni
- cuases schistomasis
Which parasites are found in the blood?
plasmodium falciparum
- causes malaria
schistosoma mansoni
- cuases schistomasis
Which parasites are found in the intestine?
entemoeba histolytica,
-causes amoebic dysentary
giardia lamblia
- cuases giardiasis -> causes diarrhea
Which parasites are found in the reproductive tract?
trichtomonas vaginalis,
causes STD
Where in the body do the majority of helminths infections occur? How are they diagnosed?
intestinal tract, by searching for eggs in fecal smear
recognize the various protozoans in lab and what diseases they cause?
Plasmodium Falciparum- causes malaria
Giardia Lamblia- causes giardiasis (diarrhea)
Trichomonas vaginalis- causes STD
Entamoeba histolytica- amoebic dysentary
be able to recognize the various parasitic worms examined in lab and what disease they cause?
ascaris lumbricoides- causes ascaris
schistosoma mansoni- causes schistomasis
taenia piisforms- tapeworms
Which of the parasites you observed were intracellular?
plasmodium falciparum
Which of the helminths you observed is typically diagnosed using scotch tape?
enterbius vermicularis
what is the larval stage of taenia solium called and what animal is this larva normally found in?
The cysticerus is the larval stage and normally found in niger
Cysticercosis is an infection of the larval stage of taenia as found in a pig host. how can people become infected with cysticercosis?
The taenia solium eggs can be digested from contaminated water, food or anything that has fecal matter on it or just their poor hygiene.
