MYCOVIRO - CH 61 book

Question 1

agents of superficial and subcutaneous mycoses

Answer 1

Dematiaceous (Melanized) Molds

Question 2

Found everywhere (ubiquitous) and saprophytic

Answer 2

Dematiaceous (Melanized) Molds

Question 3

nutrition of melanized mold

Answer 3

saprophytic nutrition

Question 4

exist as plant pathogens

Answer 4

Dematiaceous (Melanized) Molds

Question 5

Produce melanin resulting observable dark coloration

Answer 5

Dematiaceous (Melanized) Molds

Question 6

CA of tinea nigra

Answer 6

Hortaea werneckii

Question 7

superficial infection manifested by macular patches on the palm of the hand or sole of the foot

Answer 7

tinea nigra

Question 8

superficial infection in which

Skin lesions are stained with silver nitrate staining

Answer 8

tinea nigra

Question 9

skin lesions of tinea nigra are stained with

Answer 9

silver nitrate staining

Question 10

CA of black piedra

Answer 10

Piedraia hortae

Question 11

Infection of the hair, scalp and occasionally the axillary and pubic hair

Answer 11

black piedra

Question 12

superficial infection known as Madura Foot

Answer 12

mycetoma

Question 13

other name of mycetoma

Answer 13

madura foot

Question 14

Chronic, granulomatous infection usually involving the lower extremities

Answer 14

mycetoma

Question 15

mycetoma involves what body part

Answer 15

lower extremities

Question 16

black piedra infects what body part (4)

Answer 16

hair, scalp and occasionally the axillary and pubic hair

Question 17

white piedra infects what body part

Answer 17

palm of the hand or sole of the foot

Question 18

mycetoma characterized by (3)

Answer 18

1. swelling
2. purplish discoloration
3. Tumorlike deformities of the subcutaneous tissue and multiple sinus tracts that drain pus
   containing yellow, white, red, or black granules (depends on infecting organism

Question 19

2 types of mycetoma

Answer 19

actinomycotic

eumycotic

Question 20

mycetoma caused by aerobic actinomycetes (Nocardia, Actinomadura and Streptomyces spp.)

Answer 20

Actinomycotic (bacterial) mycetoma

Question 21

CA of Actinomycotic (bacterial) mycetoma (3)

Answer 21

Nocardia
Actinomadura
Streptomyces

Question 22

Subcategories of eumycotic mycetoma

Answer 22

white grain mycetoma

black grain mycetoma

Question 23

mycetoma caused by heterogeneous group of fungi that have septated hyphae

Answer 23

Eumycotic (fungal) mycetoma

Question 24

CA of white grain mycetoma (4)

Answer 24

P. boydii
Acremonium
Fusarium
Scedosporium

Question 25

most common CA of white grain mycetoma

Answer 25

Pseudollescheria boydii (

Question 26

Pseudollescheria boydii is found where (3)

Answer 26

standing water, soil, sewage

Question 27

CA of black grain mycetoma (3) EMC

Answer 27

Exophiala jeanselmei
Cuvularia
Madurella mycetomatis

Question 28

Chronic fungal infection acquired through traumatic inoculation

Answer 28

Chromoblastomycosis

Question 29

Chromoblastomycosis is acquired through

Answer 29

traumatic inoculation

Question 30

Characterized by development of papule at the site of inoculation that spreads to form warty or
tumorlike lesions resembling cauliflower

Answer 30

Chromoblastomycosis

Question 31

Chromoblastomycosis: tumorlike lesions resemble __

Answer 31

cauliflower

Question 32

Chromoblastomycosis is characterized by development of ___

Answer 32

papule at site of inoculation

Question 33

body parts involved in Chromoblastomycosis

Answer 33

feet, legs, may spread to other sites

Question 34

microscopic determinant of chromoblastomycosis

Answer 34

sclerotic bodies

Question 35

Copper-colored, septate cells resembling copper pennies

Answer 35

sclerotic bodies

Question 36

sclerotic bodies causes __ of epidermis

Answer 36

hyperplasia

Question 37

CA of chromoblastomycosis (3)

CPF

Answer 37

Cladosporidium/Cladophialophora spp.
Phialophora spp.
Fonsecaea spp.

Question 38

Fungal brain abscess is formerly known as

Answer 38

cerebral chromoblastomycosis

Question 39

cerebral chromoblastomycosis new name

Answer 39

fungal brain abscess

Question 40

Fungal brain abscess now considered a type of

Answer 40

phaeohyphomycosis

Question 41

General term for any infection caused by a dematiaceous organism

Answer 41

phaeohyphomycosis

Question 42

infection which may be subcutaneous, localized or systemic

Answer 42

phaeohyphomycosis

Question 43

CA of brain abscess (3)

Answer 43

Cladophialophora bantiana
Exophiala dermatitidis
Bipolaris

Question 44

CA of sinusitis

(4) ABCE

Answer 44

Alternaria
Bipolaris
Exserohilum
Curvularia

Question 45

CA of Mycotic keratitis amd endophthalmitis

Answer 45

E. dermatitidis, Bipolaris, Curvularia spp.

Question 46

microscopic (lab dx)
observe dematiaceous hyphae and small budding yeast cells and/or hyphal
fragments
what superficial infection

Answer 46

Tinea nigra

Question 47

Conidia are produced by annellophores, containing successive rings called annelides

Answer 47

H. werneckii

Question 48

Colonies are olive to black, shiny and yeastlike

Answer 48

H. werneckii

Question 49

Lab Dx
Microscopic: Infected hairs are examined in wet mounts using KOH
what superficial infection

Answer 49

Black piedra

Question 50

nodules composed of cemented mycelium

Answer 50

Black piedra

Question 51

Nodules contain spindle-shaped asci that has a filament at each pole and contains 2 to 8
aseptate ascospores

Answer 51

Black piedra

Question 52

Does not sporulate on routine mycologic media

Answer 52

Piedraia hortae

Question 53

P. hortae susceptible to

Answer 53

cycloheximide

Question 54

susceptible to cycloheximide

Answer 54

Piedraia hortae

Question 55

may produce red to brown pigment in culture

Answer 55

Piedraia hortae

Question 56

Highly septate, dematiaceous hyphae with swollen intercalary cells

Answer 56

Piedraia hortae

Question 57

Dark brown to black colonies with aerial mycelium

Answer 57

Piedraia hortae