Introduction to Mycology

Question 1

The scientific study of fungi.

Answer 1

Mycology

Question 2

These are eukaryotic microorganisms.

Answer 2

Fungi

Question 3

They are larger than bacteria

Answer 3

Fungi

Question 4

2 Types of Fungi

Answer 4

1. Unicellular
2. Multicellular

Question 5

Example of Unicellular Fungi

Answer 5

Yeast

Question 6

Example of Multicellular Fungi

Answer 6

Molds / filamentous fungi

Question 7

It is made mostly of polysaccharides.

Answer 7

Fungal cell wall

Question 8

What is fungal cell wall made of?

Answer 8

Polysaccharides

Question 9

Polysaccharides that make up the fungal cell wall

Answer 9

• Chitin
• Glucan
• Mannan

Question 10

Gross Morphology of Fungi

Answer 10

• Pigmentation
• Topography
• Texture
• Size of colonies

Question 11

Example of Pigmentations of Fungi gross morphology

Answer 11

• tan
• white
• green
• black

Question 12

It is granular light buff to tan color colony

Answer 12

Trichophyton mentagrophytes

Question 13

What is the agar used for Trichophyton mentagrophytes?

Answer 13

Sabouraud’s dextrose agar culture

Question 14

Stain used for Trychophyton mentagrophytes.

Answer 14

Lactophenol cotton blue mount

Question 15

It has numerous oval to pyriform-shaped microconidia at 400x

Answer 15

Trichophyton mentagrophytes

Question 16

It looks cottony white to buff color colony.

Answer 16

Microsporum canis

Question 17

Agar used for Microsporum canis

Answer 17

Sabouraud’s dextrose agar culture

Question 18

Stain used for Microsporum canis

Answer 18

Lactophenol cotton blue mount

Question 19

It’s a spindle-shaped macromedia

Answer 19

Microsporum canis

Question 20

2 Types of hyphae

Answer 20

• septate
• non-septate

Question 21

It refers to masses of hyphae.

Answer 21

Mycelium

Question 22

It is commonly seen in yeast.

Answer 22

Pseudohyphae

Question 23

How does yeast reproduce?

Answer 23

by budding or fission

Question 24

Conidia can be two types

Answer 24

• macroconidia
• microconidia

Question 25

Spores found within sac (sporangium)

Answer 25

Endospores

Question 26

2 types of yeasts

Answer 26

- Capsulated yeast - Budding yeast

Question 27

An example of capsulated yeast

Answer 27

Cryptococcus neoformans

Question 28

What staining is used for Cryptococcus neoformans?

Answer 28

India ink test

Question 29

It shows germ tubes.

Answer 29

Budding yeast

Question 30

Budding yeast can show what

Answer 30

germ tubes

Question 31

Hyphal branches originating in a foot cell in the vegetative mycelium.

Answer 31

Conidiophores

Question 32

It has conidiophores; hyphal branches originating in a foot cell in the vegetative mycelium and ending in an expanding vesicle.

Answer 32

Aspergillus fumigatus

Question 33

The staining used for Aspergillus fumigatus.

Answer 33

Lactophenol cotton blue mount

Question 34

Agar used for Aspergillus fumigatus.

Answer 34

Sabouraud's dextrose agar culture

Question 35

Flask-shape layers covering the vesicle of Aspergillus fumigatus.

Answer 35

Phialides

Question 36

It is where chains of pigmented conidia can be seen.

Answer 36

Phialides

Question 37

Phialides have chains of pigmented _____ on their ends.

Answer 37

conidia

Question 38

The asexual reproductive units

Answer 38

Conidia

Question 39

They give the fungal colony its color.

Answer 39

Conidia (?)

Question 40

Different types of media

Answer 40

- Non-selective media - Selective media - Subculture media

Question 41

Examples of Non-selective media

Answer 41

- Sabouraud's dextrose agar - Brain heart infusion (with or without 5% blood and 1% glucose)

Question 42

It can be with or without 5% blood and 1% glucose.

Answer 42

Brain heart infusion

Question 43

Brain heart infusion can be with or without ____ and ____

Answer 43

5% blood 1% glucose

Question 44

It is with chloramphenicol and cycloheximide,

Answer 44

Mycosel agar

Question 45

Mycosel agar is with these two.

Answer 45

- Chloramphenicol - Cycloheximide

Question 46

Types of Selective media

Answer 46

- Mycosel Agar - Inhibitory Mold Agar - Dermatophyte test medium

Question 47

Types of Subculture media

Answer 47

- Neutral SDA (Emmon's) - Cornmeal-Tween 80 agar - Potato dextrose agar