7.1

Question 1

study of fungi, including their taxonomy, environmental impact, and genetic and biochemical properties

Answer 1

MYCOLOGY

Question 2

science devoted to the study of fungi and their relationship to human disease
scientific discipline encompasses single-celled yeasts and filamentous moulds as agents of disease

Answer 2

MEDICAL MYCOLOGY

Question 3

Fungal agents include:

Answer 3

TRUE PATHOGENS OPPORTUNISTIC PATHOGENS

Question 4

fungi whose cell wall contain MELANIN, which imparts brown to black pigment

Answer 4

DEMATIACEOUS FUNGI

Question 5

Fungi that have two growth firms, such as molds and yeast which develop under different growth conditions

Answer 5

DIMORPHIC FUNGI

Question 6

fungi that lack sexual reproduction; they are represented only by and ANAMORPH, mitotic or asexual reproductive state

Answer 6

IMPERFECT FUNGI

Question 7

fungi that are capable of fungal reproduction = TELEOMORPH

Answer 7

PERFECT FUNGI

Question 8

fungi that are capable of fungal reproduction = TELEOMORPH

Answer 8

PERFECT FUNGI

Question 9

have more than one independent form or spore stage in their life cycle

Answer 9

POLYMORPHIC FUNGI

Question 10

hyphal or mycelial colony of growth

Answer 10

MOLD

Question 11

unicellular, spherical to ellipsoid (3-5um) fungal cells; reproduce by budding

Answer 11

YEAST

Question 12

Humans are relatively resistant to infections caused by fungi
except for

Answer 12

DIMORPHIC FUNGI

Question 13

Major Predisposing Factors:

Answer 13

immunocompromised host
immunosuppressive agents or serious underlying diseases
complex surgical procedures
antibacterial therapy

Question 14

Humans acquire mycoses through:

Answer 14

Inhalation of spores
Direct contact with spores Inoculation by trauma into the skin

Question 15

have true nuclei and are heterotrophic members of the plant family

Answer 15

THALLOPHYTES

Question 16

few divide by

Answer 16

BINARY FISSION but most reproduce asexually by BUDDING

Question 17

THERMALLY DIMORPHIC FUNGI

Answer 17

Blastomyces dermatitidis
Paracoccidioides brasiliensis
Coccidioides immitis
Sporothrix schenckii
Penicillium marneffei
Histoplasma capsulatum var. capsulatum

Question 18

other term for aseptate

Answer 18

Coencytic hypha

Question 19

Example of ANTLER HYPHAE

Answer 19

Trichophyton shoenleinii

Question 20

RACQUET HYPHAE example

Answer 20

Epidermophytoc floccosum

Question 21

SPIRAL HYPHAE
tightly coiled showing corkscrew-like turns Example:

Answer 21

Trichophyton mentagrophytes

Question 22

aka MONILIACEOUS
nonpigmented or lightly
pigmented

Answer 22

HYALINE HYPHAE

Question 23

aka DEMATIACEOUS darkly pigmented because of melanin in the cell wall
pale to dark brown or almost black

Answer 23

PHAEOID hyphae

Question 24

used to determine hyphal pigmentation in tissue stains melanin
Phaeoid hyphae: brown
Hyaline hyphae: pink to red

Answer 24

Masson-Fontana Stain

Question 25

mass of intertwining structure composed of hyphae accumulates during active growth

Answer 25

MYCELIUM

Question 26

grows in or on a substrate and absorbs water and nutrients anchor the colony

Answer 26

VEGETATIVE PORTION OR THALLUS

Question 27

contains fruiting bodies that produce the conidia and spores extends above the agar surface

Answer 27

REPRODUCTIVE PORTION OR AERIAL

Question 28

requires formation of special structures so that fertilization or nuclear fission can occur

Answer 28

PERFECT FUNGI = TELEOMORPH

Question 29

SEXUAL REPRODUCTION

Answer 29

PERFECT FUNGI = TELEOMORPH

Question 30

do not exhibit a sexual phase Meiosis Merging of the cells Nuclear fusion spores are produced asexually from mycelium

Answer 30

IMPERFECT FUNGI or FUNGI IMPERFECTI = ANAMORPH

Question 31

ASEXUAL REPRODUCTION

Answer 31

IMPERFECT FUNGI or FUNGI IMPERFECTI = ANAMORPH

Question 32

SEXUAL SPORES

Answer 32

ASCOSPORES BASIDIOSPORES ZYGOSPORES OOSPORES

Question 33

contained in a saclike structure called ASCUS following meiosis, four to eight meiospores form within an ascus

Answer 33

ASCOSPORES

Question 34

contained in a club-shaped BASIDIUM following meiosis, four meiospores usually form on the surface of a basidium

Answer 34

BASIDIOSPORES

Question 35

rough-walled spores produced by the fusion of two identical cells arising from the same hypha

Answer 35

ZYGOSPORES

Question 36

formed by heterogenous fetilization involve the fusion of cells from separate, nonidentical hyphae

Answer 36

OOSPORES

Question 37

ASEXUAL SPORES

Answer 37

ARTHROCONIDIA BLASTOCONIDIA CHLAMYDOCONIDIA SPORANGIOSPORES

Question 38

small, unicellular with a round, elliptical, or pyriform shape Sessile Microconidia Pednculate Microconidia

Answer 38

MICROCONIDIA

Question 39

large, usually multiseptate, and club oval or spindle shaped thick or thin walled spiny (ECHINULATE) or smooth surface

Answer 39

MACROCONIDIA