micro 5

Question 1

compared to bacteria, fungi needs _________ moisture to survive

Answer 1

less

Question 2

geophilic

Answer 2

free living on soil

Question 3

anthrophilic

Answer 3

found on humans

Question 4

systemic fungi grows as yeast at body temperature and mold at room temperature

Answer 4

dimorphic

Question 5

rounded fungi that reproduces by budding

Answer 5

yeast

Question 6

is yeast unicellular? shape?

Answer 6

yes. spherical-oval in shape

Question 7

most common, all-purpose fungal media.

Answer 7

sabourads dextrose agar SAB

Question 8

cryptococcus neoformans- lesions around ?

Answer 8

eye/nose

Question 9

large, thick-walled yeast surrounded by a wide non-staining gelatenous capsule

Answer 9

cryptococcus neoformans

Question 10

cryptococcus neoformans is normally found in

Answer 10

pigeon droppings

Question 11

is cryptococcus neoformans fatal?

Answer 11

yes

Question 12

found in cytoplasm of macrophages

Answer 12

histoplasma capsulatum

Question 13

yeast (3)

Answer 13

cryptococcus neoformans
candidia albicans
malassezia pachydermatis

Question 14

fungi (3)

Answer 14

blastomyces dermatitidis
histoplasma capsulatum
coccidioides immitus

Question 15

saprophytes

Answer 15

free living (bread/cheese)

Question 16

dermatophytes

Answer 16

skin infections. ringworm caused by these

Question 17

molds grow with what hyphae

Answer 17

aerial

Question 18

mycelium

Answer 18

web of hyphae branch

Question 19

what media specify dermal pathogen

Answer 19

DTM

Question 20

microsporum 2 types - one on cap and one everywhere

Answer 20

tinea capitis, tinea corporis

Question 21

trichophyton is found where

Answer 21

hair, skin, nails. - ringworm

Question 22

epidermophyton is found were

Answer 22

superficially. cutaneous causative agent for ringworm

Question 23

DTM is a selective media for what 3 molds that cause ringworm

Answer 23

microsporum, trichophyton, epidermophyton

Question 24

for DTM, a color change appears when

Answer 24

72 hours

Question 25

if RW is positive on DTM, color

Answer 25

red

Question 26

if saprophyte is postive on DTM, color

Answer 26

black/brown/dark green.

Question 27

derm-duet has two sides for what

Answer 27

DTM and rapid sporulation medium (RSM)

Question 28

DTM on the derm duet takes how long, RSM?

Answer 28

3 days. rsm- 3-7 days

Question 29

two stains used for derm-duet

Answer 29

NMB, lactophenylblue

Question 30

on microscope, after staining- look for 3 things (molds)

Answer 30

hyphae, spores, fruiting bodies

Question 31

hyphae with walls- called? without walls?

Answer 31

with walls- septate hyphae

without walls- non-septate hyphae

Question 32

spores AKA

Answer 32

conidia, non-motile. grow, spread.

Question 33

common pathogenic dermatophytes

Answer 33

trichophyton, microsporum

Question 34

trichophyton causes… who can get it? who cant?

Answer 34

ringworm. anyone can get it. dogs cannot

Question 35

microsporum canis needs what 50% of time

Answer 35

UV light.

Question 36

microsporum produces

Answer 36

macroconidia

Question 37

trichophyton produces

Answer 37

microconidia

Question 38

aspergillus species are found in… common contaminant in what foods

Answer 38

found in mildew, moist areas. starchy foods.

Question 39

histoplasma capsulatum primary source of infection

Answer 39

inhalation

Question 40

fungus that has been associated with bird and bat droppings

Answer 40

histoplasma capsulatum

Question 41

which fungus is most commonly acquired from spores inhaled and colonized in resp tract.

Answer 41

blastomyces dermatitidis

Question 42

3 clinical forms of blastomyces dermatitidis

Answer 42

primary pulmonary infection, cutaneous infections on skin, disseminated disease