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59 Cards in this Set

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  • Back
a nonseptate mycelium is one in which
the cytoplasm of adjacent cells mingles freely
arthrospores and blastopsores are formed by fungi that
don ont form fruiting bodies
septate fungi are found in all of the following phylum except
zygomycota
Many grains, peanuts, and hay can become contaminated with fungi that produce powerful toxins called aflatoxins. These toxins are produced by
aspergillus flavus
imperfect fungi are those that
lack a known sexual cycle of reproduction
when consuming mushrooms, people are well-advised to consume
agaricus but not amanita
if a sexual cycle has not been identified in a fungus, it is classified in the phylum
deuteromycota
dermatophytosis refers to fungal diseas
of the hair, skin, and nails
tinea diseases are dermatophytoses caused by several different genera of fungi each of the following is identified in this chapter as causing tines except
emmonsiella
the "yeast disease" in humans usually refers to
the infection due to candida albicans
candida albicans infection of the intestine may occur as a result of
overuse of antibiotics
which one of the following is not associated with candida albicans?
-onychia
-vulvovaginitis
-thrush
onychia
resistance to cryptococcosis and candidiasis appear to depend on
proper functioning of the T lymphocytes
which one of the following applies to the fungus cryptococcus neoformans
the organism grows in the droppings of pigeons
histoplasmosis is primarily disease of
the lungs
pneumocystis jiroveci was formerly a member of
the kingdom Protista
aspergillus fumigatus causes several diseases. If the spores of this organism become localized in earwax, hyphae may invade the auditory canal. This condition is referred to as
otomycosis
dimorphic fungi are those that display different morphological properties at different temperatures
true/false
true
oral candidiasis, known as thrus, may occur in infants since they may acquire Candida albicans during passage through the vagina of an infected woman
true/false
true
meningitis due to cryptococcus may be detected by observing encapsulated yeasts in the spinal fluid obtained by a spinal tap
true/false
true
cases of blast mycosis involve fungal grow in the hyphal form in the body and yield a cottony mass of organisms
true/false
true
valley fever is caused by
coccidioides imitis
a common symptom of pinworm disease is
itching in the anal region
the whipworm is so-named because of
the shape of its anterior end
the common eye worm may be attracted to the skin surface by
warm exterior temperatures
all the following apply to hookworm disease except
the causative parasite belongs to the genus Wuchereria
which of the following may be expected to precede swimmer's itch
-the patient has an allergy to chlorine
-the patient was an avid consumer of raw fish
-the water in which the person swam contained snails
-the water had recently been contaminated
the water in which the person swam contained snails
which one of the following pairs are synonymous terms
-nematodes and trematodes
tapeworms and cestodes
flukes and roundworms
roundworms and trematodes
tapeworms and cestodes
trichinella spiralis infection is possible in those who
eat poorly cooked pork
the treatment of multicellular parasites generally consists of
reducing the worm burden
all the following apply to ascaris lumbricoides organism except
-infection usually occurs in the intestine
-the parasite may resemble an earthworm
-surgery may be necessary to remove the parasites from the body
-the parasite possesses hooks which allow attachment to the tissue
the parasite possesses hooks which allow attachment to the tissue
the lifecycle of a tapeworm includes
small crustaceans called copepode
fasciola hepatica, a leaf-life flatworm, may cause significant damage in the
human liver and intestine
a condition called elephantiasis may develop in one who
has been bitten by an infected mosquito
which one of the following describes the pattern of conversions in a fluke's life cycle?
miracidium to redia to cercaria
the life cycle of diphyllobothrium latum includes
copepod and a fish
proglottids are an important feature of the
reproductive cycle of tapeworms
poorly cooked crab meat may be a method for transmission of the
lung fluke
the hydatid cyst forms in the ___ of humans after infection by ______
liver; echinococcus granulosus
roundworms are considered more advanced evolutionarily than flatworms because roundworms have
an intestine open at the mouth and anus
whipworm infection takes place in humans in the
intestinal tract
except for ____, the most prevalent multicellular parasite in the united states is ____
pinworms; ascaris lumbricoides
the definitive hosts for Echinococcus granulosus include
foxes, wolves, and dogs
the life cycle is the least complicated for which of the following
-pinworm
-fluke
-tapeworm
-liver fluke
the pinworm Enerobius vermicularis
the class Cestoda consists of
tapeworms
Hookworms generally enter the human body by
penetrating the skin from soil
the serpent on the staff that symbolizes the medical profession may be the
guinea worm
filariasis is plentiful where there are
plentiful numbers of mosquitoes
the gravid proglottids are the
middle segments of a tapeworm
the most common roundworm disease in the United States is
pinworm disease
hardened shells that form around the larvae of many roundworms and flatworms are called
cysts
ascaris lumbricoides is
the largest intestinal nematode and the cause of roundworm disease
animals that are termed hermaphroditic
have both female and male sex organs
taenia solium is the ____ tapeworm
pork
blood fluke disease is called by this species
schistosoma
the snail is an alternative host for the organisms that cause all of the following diseases except
fish tapeworm disease
a roundworm disease transmitted by mosquitoes is
filariasis
contact with dogs and other canines can transmit a disease caused by
Echinococcus granulosus
fasciola hepatica
is the causative agent of liver fluke disease