General Mycology Review

Question 1

Dimorphic examples?

Answer 1

Blastomyces dermatitidis.
Histoplasma capsulatum.
Coccidioides immitis.
Paracoccidioides brasiliensis.
Sporothrix schenckii

Question 2

sexual form
-ascospores

Answer 2

Teleomorph

Question 3

asexual
-Conidia-asexual spores

Answer 3

Anamorph

Question 4

more than one asexual form of a fungus

Answer 4

Synapomorphs

Question 5

Budding of yeasts occurs by a process called “_____________”

Answer 5

outpouching

Question 6

What is it called when there is Incomplete cell division (initial stage of true hyphae formation) - outpouching of the cell wall that becomes tubular, but does not have a constriction?

Answer 6

Germ tubes

Question 7

Molds:

long filamentous structure (tube, frequently branching)

Answer 7

Hyphae

Question 8

Molds:

mass of network of hyphae

Answer 8

Mycelium

Question 9

Molds:

Anchors the mold and absorbs nutrients

Answer 9

Vegetative hyphae

Question 10

Molds:

Hyphae with reproductive structures

Answer 10

Reproductive hyphae

Question 11

Molds:

Network or mass of vegetative hyphae

Answer 11

Vegetative mycelium

Question 12

Molds:

Mycelium that grows upward or outward from the substrate

Answer 12

Aerial mycelium

Question 13

What is an example of septate fungi?

Answer 13

Aspergillus

Question 14

What are examples of Sparsely septate (non-septate) fungi?

Answer 14

Zygomycetes and Mucor

Question 15

Non pigmented hyphae

Answer 15

Hyaline

Question 16

Dark pigment or melanized

Answer 16

Dematiaceous

Question 17

Hyphae cells do not have septa to divide them or septa are rarely observed

Answer 17

Sparsely septate (non-septate)

Question 18

Have dividers between the cells – have pores that allow cytoplasm and nutrients to low through

Answer 18

Septate

Question 19

Four categories of Mycoses (fungal infections) ?

Answer 19

-Superficial cutaneous mycoses
-Subcutaneous mycoses
-Systemic mycoses
-Opportunistic mycoses

Question 20

Examples of Superficial cutaneous mycoses

Answer 20

-Piedra (Piedraia hortae and
Trichosporon beigelii)
-Candidosis
-Dermatophytes ***
-Pityriasis versicolor

Question 21

What are the dermatophytes?

Answer 21

-Trichophyton
-Microsporum
-Epidermophyton
-Cause Tinea (ringworm)

Question 22

Examples of Subcutaneous mycoses

Answer 22

-Chromoblastomycosis
-Sporotrichosis
-Mycetoma
-Phaeohyphomycosis

Question 23

Examples of systemic mycoses

Answer 23

-Aspergillosis
-Blastomycosis
-Candidosis
-Coccidioidomycosis
-Histoplasmosis
-Cryptococcus
-Trichosporonosis

Question 24

Examples of Opportunistic mycoses

Answer 24

-Aspergillosis
-Candidosis
-Cryptococcosis
-Mucormycosis
-Geotrichosis
-Trichosporonosis

Question 25

Tinea (ringworm) caused by dermatophytes: Tinea barbae

Answer 25

beard infection

Question 26

Tinea (ringworm) caused by dermatophytes: Tinea manuum

Answer 26

hand infection

Question 27

Tinea (ringworm) caused by dermatophytes: Tinea Capitis

Answer 27

scalp or head infection

Question 28

Tinea (ringworm) caused by dermatophytes: Tinea pedis

Answer 28

Feet (Athletes foot)

Question 29

Tinea (ringworm) caused by dermatophytes: Tinea corporis

Answer 29

body infection

Question 30

Tinea (ringworm) caused by dermatophytes: Tinea unguium

Answer 30

Fingernails and Toenails infection

Question 31

Tinea (ringworm) caused by dermatophytes: Tinea cruris

Answer 31

Jock itch, groin area

Question 32

What causes tinea corporis Tinea capitis Tinea unguium Tinea barbae?

Answer 32

Trichophyton rubrum

Question 33

What causes Tinea capitis Tinea corporis?

Answer 33

Microsporym gypseum

Question 34

What causes Tinea corporis Tinea capitis Tinea barbae Tinea manuum?

Answer 34

Microsporum canis

Question 35

What causes Tinea cruris Tinea pedis Tinea corporis Onychomycosis?

Answer 35

Epidermophyton floccosum

Question 36

-Chronic fungal infection of the skin and the subcutaneous tissue -Traumatic inoculation of a specific group of dematiaceous fungi

Answer 36

Chromoblastomycosis (subcutaneous)

Question 37

-Non-healing ulcers*** -Brown pigmented, wart like lesions

Answer 37

Chromoblastomycosis (subcutaneous)

Question 38

-Verrucous, cauliflower-like dermatitis*** -Common in tropical and subtropical countries -Usually as a result of trauma -Secondary bacterial infection is common

Answer 38

Chromoblastomycosis (subcutaneous)

Question 39

Causative agents of Chromoblastomycosis?

Answer 39

-Fonsecaea pedrosoi -Phialophora verrucosa -Cladophialophora carrionii -Rhinocladiella aquaspersa

Question 40

What is known as Rose gardener's disease?

Answer 40

Sporotrichosis

Question 41

Sporotrichosis - Rose gardener’s disease is caused by a chronic infection from saprophytic dimorphic fungus ________________.

Answer 41

Sporothrix schenckii

Question 42

Sporotrichosis is usually _______________ , but in rare cases, can disseminate to visceral organs.

Answer 42

subcutaneous

Question 43

Sporothrix schenckii moves along ____________ channels

Answer 43

LYMPHATIC

Question 44

Pseudallescheria boydii - Cleistothecium release __________ (looks like pacman)

Answer 44

ascospores