Lab 12 Flashcards
Sabouraud agar is used for culturing fungi.
T
. Fungi are able to do photosynthesis.
F
Mycotoxicosis is caused by fungal toxins.
T
Malassezia pachydermatis has characteristics morphology, bottle-shape cells.
T
Cryptococcus neoformans forms mucoid colonies on Sabouraud agar.
T
Dermatophytes cause superficial mycosis.
F
F2 toxin can cause reduced fertility in cattle.
T
Equine epizootic lymphangitis is caused by Histoplasma farciminosum.
T
Dimorphic fungi have yeast form in host body
T
Stachybotryotoxins can cause immunosuppression in horse.
T
The pH of Sabouraud agar is higher than 6.5.
F 5,5
Yeasts can be cultured at 37 degrees.
T
Resistance of asexual spores is higher than sexual spores
F
Malassezia pachydermatis can cause external otitis in dogs.
T
Microsporum sp. is members of Dermatophytes.
T
Candida albicans can be found on mucous membranes of infected animals only.
False, (can be found in the intestinal tracts and in the oral cavities of healthy
individuals also)
Cryptococcus neoformans cannot form colonies on artificial medium
T
Trichophyton verrucosum causes ringworm in cattle.
T
Aflatoxin is produced by Aspergillus fumigatus.
F
. Penicillin is produced by Penicillum rubrum.
F
Fungi have five phyla.
T
. Funguses are based on the 18S and the 26S ribosomal RNA gene.
T
Glomeromycota phyla of fungi symbioses with plant roots.
T
Dermatophytes are obligate anaerobic.
F
Ochratoxin is produced by A. ochraceus
T
ochraceus causes kidney degeneration in cattle.
F
Patulin causes inhibition of ruminal flora.
T
. Fusarium has pigment production.
T
T2 toxin can cause immunosuppression in cattle.
T
F. moniliforme can cause leukoencephalomalacia in horses.
T
Stachybotrys atra forms black colonies.
T
Dimorphic fungi have mould form on media only.
F
B. dermatitis can cause blastomycosis (granulomatotis).
T
. S. schenckii causes subcutaneus granulomatosis in humans.
True, (also dog, cat and horse)
Coccoidioides immitis causes systemic mycosis in humans.
True, (also dog, horse and cat)
Batrachocochytrium dendrobatidis can cause chytridiomycosis of amphibians.
T
Dermatophytes can be cultured at 37 degrees
F
Yeasts incubation condition time is 1-4 days
T
Dermatophytes indubation condition time is 2-4 weeks.
T
