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MTAP 1 Myco > 1.5.1 Mycoses fugal infection (Superficial Mycoses) > Flashcards

1.5.1 Mycoses fugal infection (Superficial Mycoses) Flashcards

1
Q

Superficial mycoses is noninvasive, involve the horny living layer of the skin and extrafollicular parts of the skin and hair

T or F

A

F

Non living

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2
Q

What are the parts infected in superficial mycoses?

A

Skin and hair

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3
Q

An asymptomatic; noninflammatory; prutritic’

Variation in pigmentation

a. Tinea versicolor/Pityriasis versicolor
b. Piedra/ Tinea nodosa
c. Tinea nigra/Keratomycosis nigricans palmaris

A

a

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4
Q

What is the etiologic agent for Tinea versicolor?

A

Malassezia furfur

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5
Q

MOT for Tinea versicolor

A

Direct contact which may disseminate (Parental nutrition)

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6
Q

On KOH mount, what is the specimen of choice for Tinea versicolor?

A

Skin scrappings

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7
Q

On KOH mount for Tinea versicolor, what is the appearance?

A

Spaghetti and meat ball

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8
Q

Medium for Malassezia furfur consist of SDA with?

A

Olive oil

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9
Q

The microscopic examination for M. furfur appearance is?

a. bowling pin
b. medicine bottle
c. palisade
d. Mouse

A

a and b

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10
Q

Hypopigmentation in Tinea Versicolor is common among?

A

Dark skin

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11
Q

Hyperpigmentation in Tinea Versicolor is common among

A

Fair skin

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12
Q

Also known as Beigel’s disease and Chigon disease

a. Tinea versicolor/Pityriasis versicolor
b. Piedra/ Tinea nodosa
c. Tinea nigra/Keratomycosis nigricans palmaris

A

b

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13
Q

Which part of the body causes Tinea nodosa?

A

Superficial Hair shaft

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14
Q

Causes black piedra

a. Piedra hortae
b. Trichosporon beigelii

A

a

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15
Q

Causes white piedra

a. Piedra hortae
b. Trichosporon beigelii

A

b

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16
Q

Which among the piedra affects scalp hair, eyebrows, eyelashes, and pubic hair

A

Black piedra

17
Q

Which among the piedra affects facial and genital hair?

A

White piedra

18
Q

The nodules of this piedra is pigmented, hard, and firmly attached

A

Black

19
Q

The nodules of this piedra is less pigmented, not firmly attached and soft

A

White

20
Q

In direct microscopic examination, which among the piedra has blasto conidia and arthoconidia

A

White

21
Q

In direct microscopic examination, which among the piedra has Ascuspore and chlamydoconidia

A

Black

22
Q

Etiologic agent for Tinea nigra

A

Hortae werneckii (Exophiala werneckii

23
Q

Tinea nigra is usually mistaken as _____ due to “Stained appearance” on palms, foot, and forearms

A

Melanoma

24
Q

Direct microscopic examination of tinea nigra consists of branching, septate, and moniliaceous

T or F

A

F

Dematiaceous

MTAP 1 Myco (34 decks)

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