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Microbio > Mycology > Flashcards

Mycology Flashcards

1
Q

Major structural polymer in fungal cell walls

A

Chitin

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2
Q

Site of action of some anti fungal drugs

A

B-Glucan

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3
Q

Site of action of antifungal drugs, amphtericin B and azole group

A

Ergosterol

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4
Q

Two asexual reproduction

A

Sporangiopores

Conidia

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5
Q

Developed by septation and fragmentation of a hypha

A

Thallic conidia

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6
Q

Develop in an intercalary position

A

Chlamyyoconidia

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7
Q

Mass of filaments

A

Mycelium

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8
Q

Responsible for reproduction

A

Stolon
Aerial
Reproductive

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9
Q

Responsible for gaining nutrients

A

Rhizoids

Vegatative

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10
Q

This grows at 37c, germ tube, CHO assimilation, fermentation, urease and phenol oxidase

A

Cryptococcus neoformans

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11
Q

Gold standard of antifungal

A

Amphotericin B

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12
Q

MoA binding to cytochrome P-450 which interfere with ergosterol synthesis

A

Azoles

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13
Q

Most well known mycotoxin

A

Aflatoxins

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14
Q

Deadliest mushroom toxin is produced by the death cap

A

Mycetismus

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15
Q

Pityriasis versicolor

A

Malassezia furfur

Spaghetti and meatball appearance

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16
Q

Tinea negra

A

Exophiala werneckii

17
Q

Black piedra

A

Piedraia hortai

18
Q

White piedra

A

Trichosporum beigelli

19
Q

Tinea captitis

A

Ring worm lesion of scalp

20
Q

Tinea corporis

A

Ringworm lesion of trunk, arms and legs

21
Q

Tinea manus

A

Ringworm lesion of hand

22
Q

Tinea cruris

Jock itexh

A

Ringworm lesion of groin

23
Q

Sporotrichosis

A

Sporothix schenckii

Rossette pattern

Cigar bodies yeast in tissue

24
Q

Chromoblastomycosis

A

Cauliflower like appearance

Medlar bodies

25
Q

Mostly infects the hair and skin

A

Microsporum spp

26
Q

Causes of tinea pedis

A

Trichophyton mentagrophytes

27
Q

Most common cause of tinea ungium

A

Trichophyton rubrum

28
Q

DoC for trichophyton spp

A

Griseofulvin

29
Q

Principal causative agent of chromoblastomycosis

A

Phialophora verrucosa

30
Q

Causes madura foot

A

Madurella species

31
Q

most virulent of fungal pathogens

A

Coccidioides immitis

Microbio (22 decks)

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