Superficial Mycoses

Causative agent of Pityriasis versicolor

Malassezia furfer

Malassezia furfur

Malassezia forfor

Malassezia furre

These are fungal infections of the skin and hair. Cause little or no inflammatory or immunologic reaction.

Superficial mycoses

Superduper mycoses

Superbook mycoses

Superarticial mycoses

Pityriasis versicolor yeast form transform into ___ that cause diseases

Mycosal form

Mucosal form

Mycelial form

Mamamo form

All of the following are related diseases of Pityriasis versicolor except?

Pityrosporum folliculitis

Seborrheic dermatitis

Neonatal cephalic pustulosis

Atopic pustulosis

All of these are Mycoses under Superficial cutaneous mycoses except

Under Wood's light, what color does Pityriasis versicolor emit?

Dark green fluorescence

Bright orange fluorescence

Bright yellow fluorescence

Pinkish-gray fluorescence

Under KOH Lab dx, Pityrosproum folliculitis appears in yeast and mycelial form

True

False

Lab Dx of Pityriasis versicolor: SDA is usually covered with _____

Virgin coconut oil

Efficascent oil

Olive oil

Vegetable oil

KOH Lab Dx of P.versicolor: Hyphal and yeast forms what appearance?

Spaghetti and meatballs

Palabok and shrimp

Carbonara and ham

Spaghetti with hotdog

All of the following are characteristics of P.versicolor except?

Chronic, mild, usually asymptomatic infection of the stratum corneum

Non-invasive

Acquired via person-to-person or infected garment

Can cause Hyperpigmentation

Normal Flora on human skin

None of the above

Hyperpigmentation or Hypopigmentation of the P.versicolor usually occurs at what area of the body?

Chest

Abdomen

Upper limbs

Back

Pityriasis versicolor is not a Lipophilic fungus

True

False

Malassezia furfur is also known as?

Pitysporum oxecure

Pitysporum obriculare

Pitysporum obracela

Pitysporum onanay

Tinea nigra is an environmental pathogen that is usually found in the following except?

Soil

Sewage

Bathrooms

Decaying fruit

Tinea nigra produces _____ on the palm, sole, neck or the trunk of a person

"Blacking spot"

"Grayish spot"

"Brownish spot"

"Reddish spot"

Check all the possible choices that describes Tinea nigra

Single and Sharply marginated

Brown to gray-green macule

Patch that can be velvety or have mild scale

Has known human-to-human contact

Spreads horizontally and lightens

Lab Dx of Tinea Nigra under KOH produces this result:

Septate, dematiaceous / greenish or olive hyphae

Septate, non-dematiaceous / brownish or olive hyphae

Septate, dematiaceous / brownish or olive hyphae

Septate, non-dematiaceous / blackish or brown hyphae

Lab Dx of Tinea Nigra under KOH produces this result:

Single or paired oval to spindle-shaped yeast cells

Single or paired circular to spindle-shaped yeast cells

Single or paired oval to club-shaped yeast cells

Single or paired star to spiral-shaped yeast cells

Lab Dx of Tinea Nigra when Cultured in SDA produces this result:

Dry, black, yeast-like colonies

Dry, red, yeast-like colonies

Moist, red, yeast-like colonies

Moist, black, yeast-like colonies

Lab Dx of Tinea Nigra when Cultured in SDA:

Older cultures develop aerial hyphae (fuzzy, grayish black)

True

False

This fungi adhere to the hair and form nodules along the hair shaft

Piedra

Pedro

Piedro

Pipay

Black piedra: Causative agent: ______

Piedraia horanghae

Piedraia werneckii

Piedraia hortae

Trichosporon beiglii

White piedra: Causative agent

Trichosporon bengbeng

Trichosporon beigeni

Trichosporon belgium

Trichosporon beigelii

This superficial mycoses causes infection in horses

Black piedra

White piedra

Tinea nigra

Pityriasis versicolor

This superficial mycoses causes infection in primates

Pityriasis versicolor

Tinea nigra

White piedra

Black piedra

Black piedra has no known human-to-human transmission

True

False

Black piedra: Not very adherent/Loose, White piedra: Adherent/Firm

True

False

Lab Dx of Black Piedra under KOH crush prep produces this result:

Dematiaceous hyphae with asci and 8 ascopores

Dematiaceous hyphae with asci and 10 ascopores

Non-dematiaceous hyphae with asci and 8 ascopores

Non-dematiaceous hyphae with asci and 10 ascopores

Lab Dx of Black Piedra when cultured on SDA produces this result:

Slow-growing dark green/dark brown/black colonies

Slow-growing light green/light brown/cream colonies

Fast-growing light green/light brown/cream colonies

Fast-growing dark green/dark brown/black colonies

Lab Dx of White Piedra when cultured on SDA produces this result:

Moist, black-colored, yeast-like colonies

Moist, cream-colored, virus-like colonies

Moist, cream-colored, yeast-like colonies

Moist, black-colored, virus-like colonies

Lab Dx of White Piedra under KOH crush prep produces this result:

Non-dematiaceous hyphae with blastoconida and arthroconida

Dematiaceous hyphae with blastoconida and arthroconida

Non-dematiaceous hyphae with blastooise and charmander

Dematiaceous hyphae with chlamydoconidium and arthroconida

Culture: SDA in White Piedra can be inhibited by cycloheximide?

True

False

White piedra is considered as a mark of beauty in some countries

True

False

White piedra can be caused by lack of body hygiene

True

False

This is characterized by their gritty,hard, brown-black granule

Black piedra

White piedra

White horse

Black mamba

This is characterized by their softer, white/red/green/light brown granule

White mocha

Black friday

White piedra

Black piedra

Superficial Mycoses

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