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ch 23 micro
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schistosoma
snail fever
balantidium
cilia
naegleria
psedopodia
echinococcus
hydatid cyst
giardia
beaver fever
tsetse fly
african sleeping sickness
chagas disease
kissing bug
sand flies
leishmaniasis
mosquitoes
filariasis
trichomonas
sexually transmitted disease
T/F: balantidium coli is the only ciliate known to cause disease in man
True
False
true
T/F: contact with infected cats and their feces is the only mode of transmission of toxoplasma to humans
True
False
false
T/F: all tapeworms are intestinal parasites that completely lack digestive system
True
False
true
all flukes are dioeccious
True
False
false
plasmodium reproduces by binary fissions
True
False
false
ascariasis is the most common nematode infection worldwide
True
False
true
entamoeba histolytica can cause keratitis if it is introduced through and abrasion in the conjunctiva
True
False
false
anemia is a common consequence of hookworm infection
True
False
true
visceral leishmaniasis is also known as
kala-axar and is fatal in 95% of untreated cases
True
False
true
most diagnostic techniques are not very sensitive for cryptosporidium
True
False
true
the feeding and reproducing stages of many protozoa is known as a _________.
trophozoite
acanthamoeba and _______ cause rare and usually fatal infections of the brain.
naegleria
with each wave of replication, _______ changes its glycoprotein surface antigens
trypanosoma brucei
the ______ is where immature stages of parasites develop
intermediate host
because beavers are a common zoonotic source of infection with _______, the resulting condition is sometimes referred to as "beaver fever"
giardia
______ is an obligately parastic protozoan that is incapable of surviving long outside the human host and is transmitted almost exclusively via sex
trichomonas
the mildest type of malaria is caused by ______.
plasmodium ovale
because ______ requires duffy antigens to attach to and infect erythrocytes, duffy- negative individuals are immune to this parasite
plasmodium vivax
apicomplexans reproduce by
schizogony
microcephaly can result in a fetus infected transplacentally with ______.
toxoplasma gondii
high worm burden with ______ may result in intestinal obstruction
ascaris lumbricoides
the _____ are helminths with an incomplete digestive system
trematodes
the tapeworm's ______ reflects a sequence of development
strobila
because _______ are readily visible in meat and give it a "meanly" look, inspection of meat can decrease chance of infection with taenia
cysticerci
______ are commonly known as pinworms because of the shape of the female's tail.
enterobius vermicularis
Author
whylove0001
ID
217674
Card Set
ch 23 micro
Description
ch 23 micro
Updated
2013-05-04T23:20:05Z
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