Fungi Flashcards
What is a keratinophillic fungi
Keratin seeking – usually found on hair shafts
What is an example of a keratinophilic fungi
Ringworm
What can be used to diagnose ringworm?
Woods light/lamb
What is a woods lamp?
Ultraviolet light
Does a negative woods test rule out ringworm
No, only about 50% flouresce
What must you do with a wood light before you use it?
Let it warm up for five minutes
What are benefits to a woods light
Inexpensive and non-invasive
What can ringworm be diagnosed by?
Culture or microscopic examination
What temperature should you maintain a culture at?
75 to 80°F
What does DTM stand for?
Dermatophyte test medium
What will DTM show if positive?
Color change, and growth
What does ESA stand for?
Enhanced sporulation medium
What will ESA show if positive?
Rapid growth
How long should cultures be held for?
21 days
Most fungus grow within how many days
10 days
