Fungi And Parasites Flashcards
True or False: are fungi eukaryotes?
True
How do fungi absorb energy from organic matter?
Heterotrophic by absorption
What fungi causes tinea versicolor— a patchy discoloured rash?
Malassezia furfur
What causes this rash - circular patchy rash seen in malnourished children? Tinea imbricata
Trichophyton concentricum
What fungi causes athlete’s foot or tinea pedis?
Epidermophyton spp
What causes ringworm infection or tinea corporis?
Trichophyton spp
What causes thrush?
Candida albicans
What fungi can cause meningitis or infection in the brain?
Cryptococcus neoformans
What is the fungi related to infected bird droppings that can cause meningitis?
Cryptococcus neoformans
True or False: getting infected with Cryptococcus neoformans is a marker of AIDS?
True
Give 4 examples how to reduce fungi infection
Proper hygiene
Wear open shoes
Good diet
Avoid smoking
In parasites, what do you call a host where sexual reproduction occurs?
Definitive host
In parasites, what do you call a host where immature forms develop before sexual maturity?
Intermediate host
What enables dispersal of parasite in dispersed host populations?
Vector
Give 1 example of a vector
Flying insect
Give 4 examples of ba eukaryotic protozoa
Remember: S-C-A-M! SCAM!
Phylum Sarcomastigophora
Phylum Ciliophora
Phylum Apicomplexa/Sporozoa
Phylum Microspora
In helminths, in what phylum do nematodes,the roundworm belong to?
Phylum Aschelminthes
In helminths, what phylum does tapeworms and flukes belong to?
Phylum Platyhelminthes (flatworms)
In helminths, what phylum does marine parasites belong to?
Phylum Nematomorpha
In helminths, where do insect eaters belong to?
Phylum Acanthocephalus (thorny headed worms)
Where do leeches and earth worms belong to?
Phylum Annelida (true segmented worms)
What protozoa causes malaria?
Plasmodium spp
What is the vector of Plasmodium spp causing malaria?
Anopheles mosquito
What protozoa causes vaginitis in women that is sexually transmitted
Trichomonas vaginalis
What subphylum does Trichomonas vaginalis belong to?
Subphylum Mastigophora
What protozoa under the subphylum Mastigophora causes diarrhoea?
Gardia lamblia intestinalis
What protozoa causes infection in foetus that can lead to retardation, blindness, and deafness in the baby?
Toxoplasma gondii
What illness does Toxoplasma gondii cause?
Toxoplasmosis
What’s the helminth that causes pinworm infection in humans?
Enterobius vermicularis
What causes dog hookworm infection?
Ancylostoma caninum
Give 4 manifestations of Ascaris lumbricoides?
gastrointestinal symptoms
Bowel or biliary obstruction
Eosinophilic pneumonia
Tissue migration—visceral migrans
What class of helminths attach by means of hooks and suckers?
Class cestoda - tapeworms
What helminth can you see in undercooked infected pork?
Taenia solium - pig tapeworm
What illness can you get from Taenia solium?
Cysticercosis
Give 3 infection control strategies for parasites and helminths
Eliminate vector!
Prevent faecal contamination! – Waste hygiene
Meat inspection / cook meat well
