Fungi (subcategory)

Question 1

Grow as _ (yeast) or as multicellular _ (molds)

Answer 1

single cells ; filamentous colonies

Question 2

Most are not pathogenic, rather _ - obtain food from dead organic matter

Answer 2

saprophytic

Question 3

Fungi are identified by _ or _ to examine their characteristic structure

Answer 3

direct examination ; cultured

Question 4

We use _ to make the diagnosis of what type of mold the sample is

Answer 4

hyphae

Question 5

A mat of overlapping hyphae are called _

Answer 5

mycelia

Question 6

_ fungi are capable of growing in both forms (yeast&mold)

Answer 6

dimorphic

Question 7

_ grows in the outside environment and _ grows inside a host

Answer 7

mold ; yeast

Question 8

Yeast reproduce via _

Answer 8

budding

Question 9

Molds and dimorphic fungi reproduce from _ as a mechanism for reproduction and transmission

Answer 9

asexual spores

Question 10

Fungal cell walls composed of _ vs _ found in bacterial cell walls

Answer 10

chitin ; peptidoglycan

Question 11

T/F: antimicrobial drugs will have similar effects on fungi because their cell walls are made up of similar proteins

Answer 11

False

Question 12

Fungal cell membrane contains _ vs _ found in mammalian cell membranes

Answer 12

ergosterol ; cholesterol

Question 13

What is the term for chronic fungal infections?

Answer 13

Mycoses

Question 14

_ infections are of the outermost layer of the skin, nails and hair; treated topically

Answer 14

superficial

Question 15

_ infections such as ringworm and tinea, affect the keratinized layers of the skin, hair and nails; caused by dermatophytes, host immune response may be stimulated

Answer 15

cutaneous

Question 16

What type of treatment is required for someone with a cutaneous infection?

Answer 16

oral antifungal medication

Question 17

Which type of mycoses are mainly seen in 3rd world countries, involve the dermis, subcutaneous tissues, muscle and fascia; most infections are chronic, expressed clinically as lesions on the skin surface, initiated by trauma to the skin?

Answer 17

subcutaneous

Question 18

How are subcutaneous infections treated?

Answer 18

Difficult to treat, surgical excision or amputation often required

Question 19

_ infection (primary infection) originate primarily in the lungs, travel to distal sites; fungi found in soil and feces of birds and bats - geographically defined, associated with inhaled spores

Answer 19

systemic

Question 20

How are systemic infections treated in Canada?

Answer 20

aggressively treated with IV antifungal therapy

Question 21

_ infections observed in people with impaired host defenses

Answer 21

opportunistic

Question 22

A person presents in the ER with a suspected fungal infection, this person has AIDs, what type of infection do you think they have?

Answer 22

opportunistic because of the impaired immune system