Fungi and Parasites Flashcards
What are diff types of fungus?
molds yeast rusts smuts truffles mushrooms
What are useful fungus?
beer, wine. alcohol
bread
cheese
antibotics
What does mycosis, allergies, and toxicosis? What are most probs caused by?
m: invasion of the living cell by the fungus
a: hypersensitivity to fungal byproducts
t: illness caused from ingesting toxins produced by fungi
toxicosis
What is needed for a spore to reproduce? where are they?
spores
under the gills of the mushroom
What should you do b4 eating a wild mushroom?
- properly identify spore prints
2. eat only 1 tsp and wait 24 hrs b4 eating more
What is ergotism? what does it produce?
a fungus that primarily grows on rye
a heat stable neurotoxin
What are symptoms of ergotism?
hallucinations
mild tingling of extremities
too much can cause burning/ constriction of blood vessels
leading to gangrene
What is aspergillus- aflatoxin and where does it come from? Who does it effect the most?
common fungus
peanut/ milk products
95% young ppl < 14yrs old
Where does come aspergillus- aflatoxin from?
damaged peanuts: used as animal feed
T/F: aspergillus- aflatoxin is both a toxin and a carcinogen and is associated w/ liver cancer
T
Where can molds grow?
any environment w/ moisture
What are the color of edible molds?
blue
white
green
What color are the toxic molds? What do you do if you see that?
red, yellow, black
throw away
What is yeast? Where is it found?
a single cell organism
bread, beer, alcohol, wine, fermented foods
What does yeast cause? At what temp is it easily killed? what are 2 foods that if not properly processed can cause spoilage?
spoilage
136
pickles
What are the 4 parasites?
trichinella spiralis
pork tapeworm
cryptosporidium
giardia
What is trichinella spiralis responsible for? Where is it found?
trichinosis
round worm in omnivorous animals: humans, pigs, bears, rats, wild game
What is the source of trichinella spiralis? where does it move too? what is it aka?
undercooked or raw meat
muscles: brain, liver, lungs, stomach
the great imitator
WHat are the symptoms of trichinella spiralis? what is the incubation period?
10-14 days aftervomit, mild ab pain, general nausea, low grade fever, extreme tiredness
28: sever muscular stiffness, fever and rashes
What is the treatment of trichinella spiralis? What can happen if left untreated?
medicine can destroy larva in intestinal tract
(will not destroy larva in muscles)
delirium and coma
How do you prevent trichinella spiralis?
cook meat to 145 F never eat raw pork don't cook raw pork in microwave cook ground vension like pork freeze pork for three weeks
Where was the endemic of trichinella spiralis?
Japan and china
What happens when pork tapeworm (taenia solium) section loses a head? Can it lay eggs?
another grows
yes
when was Neurocysticericosis eradicated? why did it increase in US?
1940’s
immigrants: Central america, Asia
