Fungal parasites

Question 1

Explain the significance of fungal pathogens in opportunistic infections.

Answer 1

Normal flora can become infectious when host immunocompromised. Candida albicans causes thrush in many places

Question 2

What is the diagnostic marker for Ohio Valley?

Answer 2

macroconidia; finger like projections

Question 3

What is filamentous fungi?

Answer 3

Multicellular growing in filaments that interconnect to form a mold

Question 4

What is yeast?

Answer 4

Unicellular fungi

Question 5

What does dimorphic mean?

Answer 5

It means the fungi can either be unicellular yeast or live as a filamentous mold

Question 6

What are hyphae?

Answer 6

Thread like structures formed from multicellular fungi

Question 7

What are mycelium?

Answer 7

Macroscopic mold

Question 8

What are sporangia?

Answer 8

Pods that hold sporangiospores before realease

Question 9

What are the sexual spores?

Answer 9

Zygospores, ascospores, basidiospores

Question 10

What are the asexual spores?

Answer 10

Sporangiospores, conidiospores arthrospores

Question 11

What are pseudohyphae?

Answer 11

Fungi that have budded and elongated looking like they are multi cellular hyphae but are all unicellular

Question 12

What are the superficial mycoses?

Answer 12

ringworm/athlete’s foot (tinea), Vaginal andidiasis (thrush)

Question 13

How do superficial mycoses spread?

Answer 13

Contact

Question 14

What are the subcutanesous mycoses and how do they spread?

Answer 14

Mycetoma foot;Broken skin

Question 15

How do systemic mycoses spread?

Answer 15

Inhalation in immunocompromised persons

Question 16

What are the major systemic mycoses?

Answer 16

Cryptococcal meningitis and Pulmonary aspergillosis

Question 17

What causes California fever?

Answer 17

Coccidiomycosis immitis

Question 18

What does California fever infect?

Answer 18

Skin and meninges. Very infectious!

–>lab infection.

Question 19

What is diagnostic for California fever?

Answer 19

Large spherule with endospores, barrel-shaped arthrospores

Question 20

What causes Ohio Valley Disease?

Answer 20

Histoplasmosis capsulatum

Question 21

Where does Ohio Valley reproduce?

Answer 21

Inside macrophages

Question 22

What’s the difference between blastomycosis and paracoccidioidomycosis?

Answer 22

Location where you can get it. Blasto = broad buds, North America. Parrac…=narrow buds, South America