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Flashcards in Exam 1 Deck (110)
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1

This Giemsa Stain shows the intracellular yeast form of what fungi?

Histoplasma capsulatum

2

What is the larger black round structure being pointed at?

Sporangium

3

What are the smaller circular structures being pointed at by two arrows?

spores

4

What are the elongated thin structures being pointed at?

hyphae

5

What dimorphic fungi takes these two forms?

Blastomyces dermatiditis

6

What dimorphic fungi takes these two forms?

Coccidiodes immitis

7

What dimorphic fungi takes these two forms?

Histoplasma capsulatum

8

What dimorphic fungi takes these two forms?

Paracoccidiodes brasiliens

9

Name this opportunisitic fungi

Aspergillus umigatus

10

Name this opportunistic fungi (with a large capsule)

Cryptococcus neoformans

11

Candida albicans is an opportunisitc fungi. What forms can it take?

Budding yeast, pseudohyphae, germ tube and hypha

12

What are the sites of action of antifungal drugs?

Inhibition of protein synthesis, inhibition of nucleic acid synthesis, disruption of microtubules and mitosis, direct membrane damage, ergosterol inhibition (cell membrane) and cell wall inhibitors of glucan or chitin

13

What special stain is used for this image of Rhizopus?

Silver stain

14

This fungus acts as a parasite to arthropods and nearly destroyed the silk industry in China

beauveria bassiana

15

Give four examples of dimorphic fungi

Coccidioides immitis

Sporothrix schenckii

Histoplasma spp.

Blastomyces dermatitidis 

16

These are hyphae that are pigmented

Dematiaceous 

17

Name for hyphae that are non pigmented

hyaline

18

Name these type of hyphae

coencytic

19

Name these type of hyphae

septate

20

Name this dimorphic fungi

Blastomyces dermatitidis 

21

What are the two main types of asexual spores of fungi?

Sporangiospores and conidia

22

Name this asexual spore of fungi. What species is this common in?

sporangiospore

zygomycetes (Rhizopus)

 

23

Name this asexual form of fungal spores

conidia

24

Name this subtype of conidia (asexual spore). What species are common for A and B types?

Arthroconidia 

A - dermatophytes B - Coccidioides immitis 

25

Name this subtype of conidia (asexual spores). What species are all three types possible in?

Blastoconidia 

Candida albicans 

26

Name this subtype of conidia (asexual spores) that are thick walled and resistant. When would these be produced?

Chlamydoconidia

In a hostile environment

27

Name these large muti-celled conidia produced by dermatophytes in culture 

macroconidia

28

Name these small conidia which are produced by certain dermatophytes 

microconidia

29

Conidia which are produced from phialides are called what? What species are they common in?

Phialoconidia 

Aspergillus

30

What are the three types of sexual spores for fungi? How are they formed?

Zygospores 

Basidiospores 

Ascospores 

Formed from Meiosis