1A 10% solution of potassium ___ is commonly used to detect fungal elements in dermatological and other specimens by direct light microscopy
Hydroxide
2The anti-dermatophyte agent grisofulvin inhibits mitosis by binding to fungal ___
Microtubules
3What is the dermatophyte species of Tricophyton that typically produces no macroconidia, no microconidia, but produces hyphal favic chandeliers or nail head tips in the mycelium?
Schoenleinii
4What is the most widesread genus among the anthropophillic dermatophytes?
Trichophyton
5During broth dilution antifungal suseptibility testing, a ___ effect occurs when the combination of compounts results in an increase in inhibitory activity.
Synergistic
6Members of what genus are cosmopolitan, very common saprobes, mostly found in soil, and many species are keratinophiles? isolates may be confused with dermatophytes
Chrysosporium
7What is the dermatophytic genus that in vitro, produces macroconidia and abundant chlamydospores in mature colonies, but lacks microconidia?
Epidermophyton
8Zoophilic isolates of Trichophyton ___ are readily contacted by animal handlers and are then associated with inflammmatory lesions of the scalp, glabrous skin, nail area, and beard region.
mentagrophytes
9The anti-dermatophyte agent griseofuvin binds to ___ and is concentrated in skin precursor cells.
Keratin
10An ___conidium is liberated after release of a supporting cell
Aleurio
11Potato glucose (dextrose) agar or conrmeal agar favors/promotes the production of red pigment on the reverse of the majority of isolates of what Trichophyton species that remain unpigmented on Sabouraud agar?
Rubrum
12Trichophyton schoenleinii is the etiologic agent of Tinea ___, a chronic infection that is a severe form of tinea capitus and is characterized by the production of scutula.
favosa
13___ was discovered from the soil fungus Penicillium griseofulvum, and is on the Word Health Organization's List of Essentail Medicines.
griseofulvin
14Anthropophillic isolates of Trichophyton mentagrophytes complex largely now belong to the moleculary redfined species T. ___, and are a frequent cuse of chronic infection of the feet, nails, and inguinal areas.
interdigitale
15What group of antifungal agents interact with the fungal cell membrane sterols physiochemically?
Polyenes
16Echinocandins inhibits fungal cell wall by inhibiting the ___ of the β-1, 3-glycan protein, via inhibiting 1,3 β-glucan synthase.
synthesis
17Microsporum ___ must be distinguished from Trichothecium, a cosmopolitan, saprobic fungal genus, during identification of an isolate.
nanum
18What is the small ciruclar membrane attached at the base of a free conidium? This strucutre is a vestage of the conidiophore.
annular frill
19Microsporum ___ is the most common dermatophyte isolated from cats and this fungis produces abundant, fusoid macroconidia in vitro.
canis
20What are the four genera of dermatophytes?
Epidermophyton, Microsporum, Trichophyton, and Pseudogymnoascus
21Tinea ___ is dermatophytosis of the feet. This infection is characterisitcally occult, thus carriers exist.
pedis
22Tinea ___ is dermatophytosis of the scalp. This infection is highly aggressive and cannot be treated topically
capitus
23Tinea ___ is dermatophytosis of the body. This infection is frequently found in dogs, cats, and pigs.
corpus
24Tinea ___ is dermatophytosis of the hands.
manuum
25Tinea ___ is dermatophytosis of the nail and is often the most difficult tinea infection to treat.
unguium
26Tinea ___ is dermatophytosis of the inguinal area.
concentricum
27What layer of the epidermis do dermatophytes most often infect?
stratum corneum
28What is the name of the border on a hair follicle where dermatophytes are able to germinate and proliferate?
Adamson's fringe
29___ spores are external to the hair follicle, while ___ spores are internal to the hair follicle.
ectothrix; endothrix
30Calcaflour white is a flourescent stain that is attracted to what fungal cell wall component?
chitin
31What process is used to differentiate Trychophyton rubrum and T. mentagrophyte in vitro?
hair perforation
32What is the fungal cell wall component that azole-based, polyene, and allylamine fungicides attack?
Ergosterol
33What is the polyene antifungal drug that is concidered the "gold standard", regardless of its intense side affects?
Amphoteracin B
34Which enzyme do the Azole fungicides inhibit?
14-α-demythase
35What susprising antibacterial (that has no antimycotic affects) is highly synergistic with Amphoteracin B?
rifampin
36What molecule in the Ergosterol synthesis pathway do the Allylamine fungicides target?
Squalene epoxidase
37What molecule in the Ergosterol synthesis pathway do the azole fungicides target?
14-demethylase
38Echinocandins inhibit ___, which induces lysis/apoptosis in the fungal cell
Glucan
39What structure in the cell membrane and fungal wall does Amphotericin B produce which allows its anti fungal properties?
pore
40Which antimicrobial suseptaibility methods allow Minimum Inhibitory Concentrations (MIC) to be calculated?
E strips and Broth dilution