Fungi

Question 1

When grown in tissues (inside the body) or culture media at ( 37°C ) ?

Answer 1

Yeast Form

Question 2

When present in nature (i.e. free living) or grown on culture media at 25°C (room temp) ?

Answer 2

Filamentous Form

Question 3

In the fungi microscopic stained by ?

Answer 3

lactophenol cotton blue, culture on SDA agar

Question 4

Superficial mycosis cause?

Answer 4

Tinea Versicolor disease

Question 5

Tinea Versicolor disease is caused by ?

Answer 5

Malassezia furfur

Question 6

Superficial mycosis→ Tinea Versicolor disease the skin infection of the ?

Answer 6

stratum corneum

Question 7

Superficial mycosis→ Tinea Versicolor disease is Examination under Wood’s light shows ?

Answer 7

orange fluorescence

Question 8

What is the fungi that show in skin scales Spaghetti and meat balls appearance ?

Answer 8

Malassezia furfur

Question 9

Cutaneous Mycosis cause ?

Answer 9

Tinea or ringworm diseases ( Dermatophytes: (filamentous fungi))

Question 10

Typical ringworm or tinea Dermatophytes: (filamentous fungi)

is an ?

Answer 10

inflamed circular border containing papules and vesicles

Question 11

Tinea Barbie ?

Answer 11

on chin

Question 12

Tinea corporis ?

Answer 12

on trunk and body

Question 13

Tinea capitis ?

Answer 13

on scalp

Question 14

Tinea ungium (Onychomycosis) ?

Answer 14

on nails

Question 15

Tinea pedis (Athlete’s foot) ?

Answer 15

on foot

Question 16

What is the Examination of Tinea or ringworm diseases ?

Answer 16

hair by Wood’s light (UV): Microsporum that infects hairs give green fluorescence

Question 17

Endothrix: Fungus inside hair shaft by ?

Answer 17

Trichophyton

Question 18

Ectothrix: Fungus around hair shaft by ?

Answer 18

Microsporum

Question 19

What is the Culture of Tinea or ringworm diseases Dermatophytes: (filamentous fungi) )

Answer 19

On Sabouraud’s agar SDA

Question 20

Subcutaneous Mycosis can cause ?

Answer 20

Sporotrichosis (Rose-picker’s disease)

Question 21

Sporotrichosis (Rose-picker’s disease) Caused by ?

Answer 21

Sporothrix schenkii (Dimorphic)

Question 22

What is the culture of Sporotrichosis (Rose-picker’s disease) ?

Answer 22

On SDA→ hyphae (a daisy appearance ).

Question 23

a daisy appearance in the ?

Answer 23

Sporotrichosis (Rose-picker’s disease)

Question 24

Subcutaneous mycosis cuase ?

Answer 24

Mycetoma & chromoblastomycosis

Question 25

Systemic Mycosis They are caused by ?

Answer 25

dimorphic fungi

Question 26

Histoplasmosis (TB-like) is ?

Answer 26

Mycosis Histoplasma capsulatum .

Question 27

Wjat is the stain for bone marrow in the Systemic Mycosis ?

Answer 27

Giemsa stain

Question 28

What is the treatment of Pulmonary affection in Systemic Mycosis ?

Answer 28

Oral azoles

Question 29

What is the treatment of Disseminated disease in the Systemic Mycosis ?

Answer 29

IV amphotrecim B

Question 30

Cryptococcous neoformans (Capsulated yeast) cause ?

Answer 30

Chronic meningitis

Question 31

Aspergillus (filamentous)→ cause infection in ?

Answer 31

patients with marked neutropenia

Question 32

disrupt cell membrane, directly attack ergosterol ?

Answer 32

Amphotericin B

Question 33

Attack ergosterol in cell membrane ?

Answer 33

Azoles

Question 34

attack beta-glucan in cell wall ?

Answer 34

Echinocadins

Question 35

inhibit DNA synthesis ?

Answer 35

flucytosine

Question 36

disrupts mitotic spindle ?

Answer 36

Griseofulvin

Question 37

SDA Colonies are whitish and highly mucoid in ?

Answer 37

Cryptococcous neoformans (Capsulated yeast)

Question 38

Treatment IV amphotrecim B in ?

Answer 38

1-Disseminated disease: IV amphotrecim B in Systemic Mycosis 2- Aspergilloma 3-Systemic Candida

Question 39

Treatment azoles for ?

Answer 39

``` 1-Malassezia furfur 2- local treatment of Dermatophytes 3-Sporothrix schenkii 4-Pulmonary affection of Systemic Mycosis 5-Invasive aspergillosis ```

Question 40

“ crushed ping-pong ball ” appearance .

Answer 40

Pneumocystis Jiroveci

Question 41

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