Unit 4- Mycology

Question 1

Fungi

Answer 1

Eukaryotic, heterotrophic, produce exoenzymes, absorb nutrients

Question 2

Fungi Classification

Answer 2

Based on morphology, physiology, macromolecules, and sexuality

Question 3

Telomorph

Answer 3

Sexual form of a fungus

Question 4

Anamorph

Answer 4

Asexual form of a fungus

Question 5

Mitosporic Fungi

Answer 5

Fungi that lack meiotic stage

Question 6

Important Phyla

Answer 6

Ascomycota, Basidiomycota, Zygomycota

Question 7

Moulds

Answer 7

Grow as branching filament hyphae, carbohydrate cell walls with chitin and cellulose, nuclei, mitochondria, microtubules

Question 8

Yeasts

Answer 8

Unicellular with ovoid appearance, polysaccharides and lipids, bilayer membrane with cholesterol, nuclei, mitochondria, microtubules

Question 9

Budding

Answer 9

Asexual division

Question 10

Growth

Answer 10

Spores grow into hyphae that become mycelium or aerial hyphae that progress to spore-bearing structures

Question 11

Colony Textures

Answer 11

Cottony, velvety, granular, or glabrous

Question 12

Fungal Topography

Answer 12

Rugose, umbonate, or verrucose

Question 13

Hyphae Shapes

Answer 13

Favis chandeliers, racquet hyphae, or spiral hyphae

Question 14

Predisposing factors

Answer 14

Immunosuppression, antibiotics, immune defects, immaturity or age, nutrition, heavy fungal spore exposure, tissue trauma, moisture, neoplasia

Question 15

Disease Mechanisms

Answer 15

Tissue invasion mycosis, toxin production mycotoxicosis, and induction of hypersensitivity

Question 16

Superficial Mycoses

Answer 16

On epidermis and other keratinized structures and mucous membranes, dermatomycosis

Question 17

Subcutaneous Mycoses

Answer 17

Subcutaneous tissues, phaeohypomycosis, mycetoma

Question 18

Systemic Mycoses

Answer 18

Respiratory and digestive tracts, saphrophytic, antimicrobial therapy