Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Medical Microbiology II - 4336 > Fungi > Flashcards

Fungi Flashcards

You may prefer our related Brainscape-certified flashcards:
Biology 101 flashcards USMLE® Step 1 flashcards
1
Q

What fungi causes black spots on the hair shaft?

A

Black piedra is caused by Piedraia hortae

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

What causes white spots on the hair shaft?

A

Trichosporon beigelii that causes White piedra

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

tricopyton causes infection in the…

A

hair, skin & nails

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Microsporum causes infection of…

A

the skin and hair

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

epidermophyton causes infection of…

A

skin & nails

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

you must use oil or oil saturated paper to recover ____________.

A

M. furfur

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

coccidioidomycosis/valley fever is caused by?

A

Coccidiodes immitis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

___________ serology isnt useful because of cross reactivity and antigen detection is not sensitive

A

Blastomyces

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

some strains have proteases

A

Paracoccidioides brasiliensis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

_______________ causes sporotrichosis (rose garderner’s disease) and is usually just subcutaneous

A

Sporothrix schenkii

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Trychophyton rubrum is urease __________.

A

negative

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

T. mentagrophytes is urease ___________. and can penetrate hair.

A

positive

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

True or false:

rubrum and mentagrophytes difficult to differentiate by morphology alone

A

True

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

______________ produces ruby red pigment in Potato Dextrose Agar (PDA)

A

T. rubrum

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

T. mentagrophytes produces what pigments?

A

red to orange to reddish brown pigment

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

two or more morphologically distinct anamorphs produced

A

Synanomorphs

17
Q

used for any specimen where the teleomorph and one or more anamorphic state is present

A

Holomorph

18
Q

All molds are handled within a Class ___ safety cabinet.

A

II

yeasts can be handled on a bench top (safe)

19
Q

Antifungal agent:

Binds ergosterol, increases cell permeability, leading to leakage of cellular contents and cell death

A

Polyenes: Amphotericin B

20
Q

Antifungal agent:

Impair ergosterol synthesis in the cytoplasmic membrane

A

Azoles: fluconazole, itraconazole, voriconazole, posaconazole

21
Q

Antifungal agent:

Disrupts pyrimidine metabolism in the cell nucleus

A

Nucleoside analog – flucytosine

22
Q

Antifungal agent:

Inhibits formation of 1,3 glucan which is part of the cell wall

A

Echinocandin – caspofungin and micafungin

23
Q

Antifungal agent:

Disrupts the fungal cell membrane (squalene oxidase)

A

Allylamine – terbinafine

Medical Microbiology II - 4336 (20 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions