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MYCOLOGY AND VIROLOGY > INTRO TO MYCOLOGY > Flashcards

INTRO TO MYCOLOGY Flashcards

1
Q

Fungi lacks what

A

Chlorophyll

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2
Q

Fungi’s cell walls are made up of

A

Chitin

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3
Q

It is a polymer of the fungal cell wall

A

Chitin

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4
Q

Chitin is a polysaccharide also known as

A

N-acetyl glucosamine

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5
Q

It is a site of any antifungal agents

A

B-glucan

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6
Q

B-glucan is

A

The site of action of any antifungal agents

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7
Q

It contains Ergosterol

A

Cell membrane

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8
Q

It is the site of action of some antifungal drugs

A

Ergosterol

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9
Q

Example of antifungal drugs that take action in ergosterol

A

Amphotericin B

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10
Q

A single vegetative fungi/cell

A

Yeast

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11
Q

Classified as fungi that need biochemical testing for identification

A

Yeast

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12
Q

Yeast can be identified through

A

Biochemical testing

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13
Q

Yeast reproduce through

A

Budding

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14
Q

Yeast undergoes budding to produce

A

Blastoconidium

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15
Q

It produces multicellular structures, fuzzy, cottony, wolly, powdery colonies due to the formation of mycelia

A

Molds

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16
Q

Molds produce multicellular structures, fuzzy, cottony, wolly, and powdery colonies due to the formation of …

A

Mycelia

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16
Q

It is made up of many long strands of tube liked structures called hyphae

A

Mycelia

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17
Q

This portion of mycelia has the reproductive structure and extends above the colonies

A

Aerial Mycelia

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17
Q

Mycelia is made up of many long strands of tube liked structures called …

A

Hyphae

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18
Q

Aerial Mycelia is also known as

A

Stolon

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19
Q

This portion of mycelia that extends downwards and absorbs nutrients

A

Vegetative Mycelia

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20
Q

Vegetative Mycelia is also known as

A

Rhizoids

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21
Q

Hyphae based on septate

A

Septate hyphae
Sparsely septate hyphae

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22
Q

A frequent cross-like occurring perpendicularly to the outer walls of the hyphae

A

Septate hyphae

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23
Q

A few cross-walls at irregular interval

A

Sparsely septate hyphae

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24
Q

It is the absence of septation

A

Aseptate hyphae

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25
Q

Hyphae based on pigmentation

A

Hyaline (Moniliaceous) hyphae
Dematiaceous hyphae

26
Q

A hyphae that is non-pigmented or lightly pigmented

A

Hyaline (Moniliaceous) hyphae

27
Q

Hyaline (Moniliaceous) hyphae is

A

non-pigmented or lightly pigmented

28
Q

A hyphae that is darkly pigmented due to melanin

A

Dematiaceous hyphae

29
Q

Dematiaceous hyphae is darkly pigmented due to

30
Q

What are the two common stain

A

Gomori stain
Fontana- Mason stain

31
Q

A stain that stains fungal elements black

A

Gomori stain

32
Q

A stain that stains melanin (brown)

A

Fontana-Mason stain

33
Q

Hyphae that are based on appearance/shape

A

Antler hyphae
Racquet hyphae
Spiral hyphae
Rhizoids hyphae

34
Q

A hyphae with swollen, branching tips

A

Antler hyphae

35
Q

A hyphae with club-shaped hyphae, elliptical

A

Racquet hyphae

36
Q

A hyphae with tightly coiled hyphae

A

Spiral hyphae

37
Q

A hyphae with a root-liked appearance

A

Rhizoids hyphae

38
Q

The ability of fungi to morph into different phases depending on the growth environment

A

Dimorphism

39
Q

Dimorphism is dependent on

A

Temperature
pH level

40
Q

At what temperature does mold grow

A

Room temperature (22-25 degree celsius)

41
Q

At what temperature does yeast grow

A

37 degree celcius

42
Q

The ability of fungi to morph both into two phase

A

Polymorphism

43
Q

It results in the formation of conidia (daughter cells)

A

Asexual reproduction

44
Q

Asexual reproduction produces

A

Conidia (daughter cells)

45
Q

A fruiting structure that forms conidia (daughter cells)

A

Conidiogenous cells

46
Q

A vase-like structure that produces phialoconidia

47
Q

A ringed structure that produces annelloconidia

48
Q

Phialoconidia and Annelloconidia formed through

49
Q

It is formed by the fragmentation of fertile hyphae

A

Arthroconidia

50
Q

It is the joining of two compatible nuclei producing zygosphore

A

Sexual reproduction

51
Q

It reproduce through sexually

A

Teleomorph

52
Q

A teleomorph , but occasionally reproduce asexually

53
Q

An anamorph present for the same teleomorph

A

Synanamorph

54
Q

What are specimens that must be processed ASAP (within 2 hours)

A

Respiratory secretion
Hair
Skin
Nails
Blood
CSF
Tissue

55
Q

Specimen that can be refrigerated in a short time

A

Catheter tips
Other medical devices
Lower Respiratory Tract
Urine

56
Q

Dermatologic specimens that must not be refrigerated

A

Skin scrappings
Nail trimmings

57
Q

It digests mucus

A

N-acetyl-L-cysteine

58
Q

It breaks down tissues to allow better visualization of fungal elements

59
Q

It is coated with a reagent that lyses WBC and RBC

A

Isolator tube

60
Q

It inhibits the growth of fungi

A

Cycloheximide

61
Q

A specimen used for oropharyngeal candidiasis

A

Oropharyngeal smear

62
Q

A specimen that should centrifuge first

63
Q

It is used to diagnose Cryptococcus neoformans

MYCOLOGY AND VIROLOGY (1 decks)

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