Exam 2: Misc Fungi

Question 1

what are the 3 types of saprophytic filamentous fungi

Answer 1

Zygomycets
Hyaline fungus
Phaeoid Fungus

Question 2

Saprophytic fungi with broad, thin-walled, irregular hyphae

Answer 2

Zygomycets

Question 3

Saprophytic fungi with narrow, thick-walled, parallel hyphae

Answer 3

Hyaline and phaeoid fungus

Question 4

T/F Diseases caused by saprophytic filamentous fungi rarely infect healthy animals

Answer 4

T

Question 5

Diseases caused by Saprophytic filamentous fungi

Answer 5

1. Abortion
2. pneumonia
3. nasal granulomas
4. guttural pouch infection
5. Subcutaneous infection
6. keratitis
7. disseminated disease

Question 6

Fast growing mold

Answer 6

Aspergillus

Question 7

Where does aspergillus invade

Answer 7

Damaged tissues and blood vessels

Question 8

Aspergillus infection in birds

Answer 8

Respiratory infections

Question 9

Aspergillus casuses what infection in dogs and horses

Answer 9

1. Nasal
2. Sinus
3. guttural pouch
4. Keratitis

Question 10

Aspergillus causes _____ in german shepherds?

Answer 10

Disseminated aspergillosis

Question 11

What does aspergillus infection cause in ruminants

Answer 11

Abortion

Question 12

How does aspergillus enter the host

Answer 12

inhalation or ingestion

Question 13

What is Mycotic rumenitis

Answer 13

Following rumen acidosis, because fungi are resistant to acid, acid damages mucosa

Question 14

What is chronic sinusitis

Answer 14

Follows inhalation of molds

Question 15

What is mycotic keratitis

Answer 15

corneal abrasion by straw in horses, infection of damaged cornea with mold

Question 16

What type of algae causes prototheca

Answer 16

Achlorophyllous algae

Question 17

Where is prototheca found in the environment

Answer 17

Widespread in warm, nutrient-rich, aqueous environments

Question 18

What are he two spp. of Prototheca tat are associated with disease

Answer 18

P. zopfii

P. wickerhamii

Question 19

Prototheca infection in dogs causing disseminated disease

Answer 19

P. zopfii

Question 20

Prototheca infection in cattle causing mastits

Answer 20

P. zopfii

Question 21

Prototheca infection in cats causing cutaneous disease

Answer 21

P. zopfii and p. wickerhamii

Question 22

Water molds

Answer 22

Oomycetes

Question 23

what are the two spp. of oomycetes

Answer 23

Pythium insidiosum and Lagenidium spp

Question 24

What does Oomycetes infection cause in dogs

Answer 24

Cutaneous and GI disease

Question 25

What does Oomycetes infection cause in horses, cats, and humans

Answer 25

Cutaneous Dz

Question 26

“Swamp cancer” in horses

Answer 26

P. insidiosum

Question 27

Emergent dz of hibernating bats that infects skin of the muzzle, ears, and wings

Answer 27

White-nose syndrome caused by pseudogymnoascus destructans

Question 28

Dutaneous dz in amphibians associated with global pop. declines

Answer 28

Chytridiomycosis caused by Batrachochytrium dendrobatidis

Question 29

Nasal polyps and cutaneous cysts in mammals and birds

Answer 29

Rhinosporidium

Question 30

Pneumonia in animals with immunodeficiency

Answer 30

Pneumocystis

Question 31

Secondary metabolites produced by fungi that are capable of causing diseae in humans and animals

Answer 31

Mycotoxins

Question 32

What are the 5 major mycotoxins

Answer 32

1. Aflatoxins
2. Ergot alkaloids
3. Fumonisin
4. Ochratoxin
5. Zearalenone