Yeasts

Question 1

T/F yeasts are large goup of comensals of the GI/Skin and many of them produce disease

Answer 1

FALSE only 3 that really do anything

Question 2

__________ causes candidiasis and is the most important species

Answer 2

Candida albicans

Question 3

What are the 4 features of Candida albicans that are used to identify it?

Answer 3

Formation of psuedohyphae w/ typical blastospores

Pdx of thick walled terminal chlamydospores on rice infusion/cornmeal agar

Germ tube test/serum tube test

Fermentation or ssimilation of CHO

Question 4

Candida albicans causes overgrowths in the digestive tract of __________

Answer 4

poutry

Question 5

__________ is a problem in pet biurds on antibiotic therapy

Answer 5

Candida albicans

Question 6

C. albicans causes occasional cutaneous infections in

Answer 6

Dogs

Question 7

__________ causes mastitis and abortion in cattle

Answer 7

C. albicans

Question 8

In humans C. albicans causes __________

Answer 8

overgowths, skin folds/diaper rash, occasional urinary/systemic infections

Question 9

__________ protects agains systemic disease of C. albicans

Answer 9

Antibody

Question 10

__________ in the feed of chickens has been shown to reduce the #s of C. albicans

Answer 10

Formic Acid

Question 11

__________ topical application has been useful in skin infections

Answer 11

Nystatin, clotrimazole

Question 12

__________ causes canine otitis externa

Answer 12

Malassezia pachydermatis

Question 13

Malassezia pachydermatis is __________ shaped

Answer 13

peanut

Question 14

Dogs with M. pachydermatis infections exhibit __________

Answer 14

yellowish deposits with a distinct yeast like odor

Question 15

__________ and __________ are used to treat M. pachydermatis infection

Answer 15

Panolog, vinegar flushes

Question 16

__________ normal inhabitant of moist skin, see occasional infections

Answer 16

Rhodotorula

Question 17

__________ __________ causes thrush, vulvovaginits

Answer 17

Saccharomyces cervisiae

Question 18

__________ __________causes pyelonephritits, pnuemonia

Answer 18

Torulopsis glabrata

Question 19

__________ causes superficial nodules on the distal portion of hair and opportunistic infections

Answer 19

Trichosporon

Question 20

__________ Causes chronic infections of the nasal and ocular mucosa of humans, horses, mules etc, infection leads to __________ fomration

Answer 20

Rhinosporidium seebri

polyp

Question 21

__________ in tissues are filled with thousands of spores, can see grossly on cut section as white specks

Answer 21

sporangia

Question 22

__________ __________infection leads to mucopurulent nasal discharge and occasional lesions else where in the body

Answer 22

Rhinosporidium seebri

Question 23

__________ __________ is the cause of sporotrichosis in wquidae, man, cattle and others

Answer 23

Sporothrix schneckii

Question 24

__________ __________ is the term used to describe Sporothrix schneckii in tissues

Answer 24

cigar bodies

Question 25

__________ __________ is a common saprophyte on dead plant material, conidia are common in the soil

Answer 25

Sporothrix schneckii

Question 26

__________ __________ is the disease of Sporothrix schneckii in man

Answer 26

Rosegardener’s disease

Question 27

__________ is a group of freshwater mold species, cause white or grey pathces on fish

Answer 27

Saprolegnia

Question 28

__________ __________ normally grow on fish waste and dead cells, capable of invading damaged tissue also will invade eggs and other freshwater species eggs

Answer 28

Saprolegnia

Question 29

T/F sppongeloniasis is commonly 2ndry to bacterial or viral infection

Answer 29

True