HW: spirochetes & eukaryotes Flashcards
the genera _____ and _____ are amoebic human parasites that cause GI and brain infections, respectively
entamoeba, naegleria
where do plasmodium merozoites reproduce
human red blood cells
what does the 48 hr chill-fever pattern in humans coincide within the the plasmodial life cycle
release of merozoites from erythrocyte
fungal cell walls typically consist of
chitin
lyme disease can be transmitted by being bitten by an
infected tick
T/F: vaccinations exist for malaria and have effectively wiped it from the US but have ineffective in other areas with endemic problems such as Africa
FALSE
athlete’s foot is an example of a ______ mycosis, because ONLY the surface layers of skin are infected. Candidiasis is a much more dangerous ______ mycosis, which can involve growth of the pathogen in internal body organs
superficial, systemic
which disease and parasitic organisms matched
malaria – Plasmodium spp.
Chagas disease – Trypanosoma cruzi
amebiasis – Entamoeba histolytica
toxoplasmosis- Toxoplasma gondii
From all of the individuals below exposed to Cryptococcus neoformans, who is MOST likely to develop a systemic mycosis?
elderly person
Which parasite is commonly transmitted to humans through uncooked beef, lamb, or pork and through infection from cats, which serve as obligate hosts?
Toxoplasma gondii
Symptoms of secondary syphilis include
generalized skin rash
Which disease(s) can be contracted even from chlorinated drinking water?
Cryptosporidiosis and giardiasis
Chagas disease mainly occurs in ________ countries and is transmitted by the “kissing bug.” Although the acute illness is self-limiting, chronic disease usually results in ________.
latin american// heart disease
The vector that transmits Plasmodium spp. from person to person is the ________ mosquito.
female anopheles
major mechanisms of pathogenesis invoked by fungi
inappropriate immune response
mycosis
toxin production
