7.1 Flashcards

1
Q

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

A

MYCOLOGY

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2
Q

science devoted to the study of fungi and their relationship to human disease

A

MEDICAL MYCOLOGY

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3
Q

Fungal agents include:

A

TRUE PATHOGENS OPPORTUNISTIC PATHOGENS

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4
Q

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

A

DEMATIACEOUS FUNGI

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5
Q

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

A

DIMORPHIC FUNGI

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6
Q

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

A

IMPERFECT FUNGI

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7
Q

fungi that are capable of fungal reproduction = TELEOMORPH

A

PERFECT FUNGI

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8
Q

fungi that are capable of fungal reproduction = TELEOMORPH

A

PERFECT FUNGI

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9
Q

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

A

POLYMORPHIC FUNGI

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10
Q

hyphal or mycelial colony of growth

A

MOLD

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11
Q

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

A

YEAST

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12
Q

Humans are relatively resistant to infections caused by fungi
except for

A

DIMORPHIC FUNGI

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13
Q

Major Predisposing Factors:

A

immunocompromised host

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14
Q

Humans acquire mycoses through:

A

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

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15
Q

have true nuclei and are heterotrophic members of the plant family

A

THALLOPHYTES

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16
Q

few divide by

A

BINARY FISSION but most reproduce asexually by BUDDING

17
Q

THERMALLY DIMORPHIC FUNGI

A

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

18
Q

other term for aseptate

A

Coencytic hypha

19
Q

Example of ANTLER HYPHAE

A

Trichophyton shoenleinii

20
Q

RACQUET HYPHAE example

A

Epidermophytoc floccosum

21
Q

SPIRAL HYPHAE

A

Trichophyton mentagrophytes

22
Q

aka MONILIACEOUS

A

HYALINE HYPHAE

23
Q

aka DEMATIACEOUS darkly pigmented because of melanin in the cell wall

A

PHAEOID hyphae

24
Q

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

A

Masson-Fontana Stain

25
Q

mass of intertwining structure composed of hyphae accumulates during active growth

A

MYCELIUM

26
Q

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

A

VEGETATIVE PORTION OR THALLUS

27
Q

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

A

REPRODUCTIVE PORTION OR AERIAL

28
Q

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

A

PERFECT FUNGI = TELEOMORPH

29
Q

SEXUAL REPRODUCTION

A

PERFECT FUNGI = TELEOMORPH

30
Q

do not exhibit a sexual phase
Meiosis Merging of the cells Nuclear fusion

A

IMPERFECT FUNGI or FUNGI IMPERFECTI = ANAMORPH

31
Q

ASEXUAL REPRODUCTION

A

IMPERFECT FUNGI or FUNGI IMPERFECTI = ANAMORPH

32
Q

SEXUAL SPORES

A

ASCOSPORES
BASIDIOSPORES
ZYGOSPORES
OOSPORES

33
Q

contained in a saclike structure called ASCUS

A

ASCOSPORES

34
Q

contained in a club-shaped BASIDIUM

A

BASIDIOSPORES

35
Q

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

A

ZYGOSPORES

36
Q

formed by heterogenous fetilization

A

OOSPORES

37
Q

ASEXUAL SPORES

A

ARTHROCONIDIA
BLASTOCONIDIA
CHLAMYDOCONIDIA
SPORANGIOSPORES

38
Q

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

A

MICROCONIDIA

39
Q

large, usually multiseptate, and club oval or spindle shaped

A

MACROCONIDIA