Dimorphic Systemic Opportunistic Fungi Flashcards
a dimorphic fungi will be a _____ at room temp and a _____ at body temp
mold; yeast
name of pathogen that causes infections in normal and immunocompromised people
primary systemic pathogen
what parts of the body do primary systemic pathogens infect
deep viscera
where in the body do dimorphic fungal pathogens turn into yeast
lungs
T or F: dimorphic fungal pathogens are endemic to specific geographic regions
t
how do we classify dimorphic fungal pathogens
geographic location
how do dimorphic fungal pathogens overcome the body’s defense
by being dimorphic
what were scientist doing to dimorphic fungi in the lab that was super dangerous
converting mold to yeast for id
how do people get exposed to histoplasma capsulatum
bird droppings and bat guano
what part of the body does histoplasma capsulatum infect
lungs
if you get histoplasma capsulatum once can you get it again
yes
are most people asymptomatic or symptomatic with histoplasma capsulatum
asymptomatic
how does someone get exposed to blastomyces deratiditis
soil
what part of the body does blastomyces deratiditis infect
lungs
what is the common name of the yeast form of paracoccidioides braziliensis
captains wheel
how do you get exposed to paracoccidioides braziliensis
soil
what parts of the body does paracoccidioides braziliensis infect
lungs and skin
what are the symptoms of paracoccidioides braziliensis if its an adult
lungs and lesion of mouth
what are the symptoms of paracoccidioides braziliensis if its a child
swollen lymph nodes and skin lesions
how does someone get exposed to coccidioides immitis
soil
what is the common name of coccidioides immitis
san Joaquin valley fever
what kind of infection does coccidioides immitis cause
respiratory.
what organism is to blame for most lab exposures in CA
coccidioides immitis
what is the infectious element of coccidioides immitis
arthroconidia
what is the natural host of penicillium (talaromyces) marneffei
bamboo rat
does penicillium (talaromyces) marneffei mostly infect immunocompromised or healthy people
immunocompromised
what cells do penicillium (talaromyces) marneffei multiply in
monocyte and macrophages
how do people get exposed to sporothrix schenkii
rose bushes
what animals spread sporothrix schenkii
cats
what is the common name of sporothrix schenkii infection
rose gardener’s disease
what organism is responsible for most frequently encountered opportunistic fungal infections
candida
what is the most common candida
C. albicans
what candida is an emerging public health threat
C. auris
Candida albicans germ tube pos or neg
pos
T or F: candida auris is very resistant to antifungals
T
do people usually live with candida auris
no
what organism is a common mold
aspergillus
how do you get exposed to aspergillus
inhalaition
how do people get exposed to cryptococcus neoformans
pigeon droppings
what part of the body does cryptococcus neoformans infect
lungs and brain
what type of pts get cryptococcus neoformans infection in the brain
HIV
what kind of specimen is sent to the lab with cryptococcus neoformans
CSF
what kind of stain do you use on cryptococcus neoformans
india ink
how does someone get exposed to mucormycosis
soil
