Lesson 17

Question 1

Opportunistic infections, related to immunosuppression, in animals
and humans

Answer 1

Candida albicans

Question 2

Chlamydospores produced on cornmeal agar

Answer 2

C. albicans

Question 3

Opportunistic infection derived from environmental

Answer 3

cryptococcus neoformans

Question 4

Commensal on the skin of mammals and birds

Answer 4

Malassezia pachydermatis

Question 5

disease associated with M. pachydermatis

Answer 5

canine seborrhoeic dermatitis, otitis externa

Question 6

C. neoformans caused diseases

Answer 6

Localized granulomas, disseminated disease

Question 7

Utilizes creatinine in bird dropping

Answer 7

C. neoformans

Question 8

round to oval and 3.5 to 8.0 μm in
diameter in India ink

Answer 8

C. neoformans

Question 9

characteristic feature of C. neoformans

Answer 9

mucopolysaccharide capsules

Question 10

C. neoformans brown colonies on birdseed agar is a result of?

Answer 10

phenol oxidase production

Question 11

Melanin demonstrable in C. neoformans cell walls stain

Answer 11

masson fontana

Question 12

Aerobic, non-fermentative, urease-positive yeasts

Answer 12

Malassezia pacchydermatis

Question 13

only member of the genus which grows on Sabouraud dextrose agar without lipid supplementation

Answer 13

Malassezia pachydermatis

Question 14

Teleomorph is a basidiomycete

Answer 14

C. neoformans

Question 15

Large mucopolysaccharide capsule produce

Answer 15

C. neoformans

Question 16

Resistant to cycloheximide

Answer 16

Candida albicans

Question 17

Commensal on mucocutaneous surfaces; uncommon in the environment

Answer 17

Candida albicans