STEEPLECHASE - BACTERIA & FUNGI

Question 1

Answer 1

Mycobacteria - Ziehl-Neelsen stain, stains cell wall

Question 2

Answer 2

Mycobacteria - bacilli

Question 3

Answer 3

Granuloma of tuberculosis - due to Mycobacterium bovis / Mycobacterium tuberculosis, respiratory lesion

Question 4

Answer 4

Mycobacterium marinum (‘Fish finger’) - mycobacteriosis

Question 5

Answer 5

Mycobacterium leprae - mycobacteriosis

Question 6

Answer 6

Mycobacterium avium paratuberculosis (Johne’s) - mycobacteriosis

Question 7

Answer 7

Mycobacterium ulcerans - mycobacteriosis

Question 8

Answer 8

Epithelioid macrophages - lots of cytoplasm + indistinct borders (mycobacteria pathogenesis)

Question 9

Answer 9

Multinucleated giant cell - usually Langhans type (nuclei ar periphery) = horse-shoe shape (mycobacteria pathogenesis)

Question 10

Answer 10

Tuberculoid granuloma (mycobacteria)

Question 11

Answer 11

Tuberculoid granuloma

Question 12

Answer 12

Mycobacterium bovis - respiratory lesion

Question 13

Answer 13

Mycobacterium bovis - respiratory lesion, tubercules eroded into pleura and spread into pleural cavity

Question 14

Answer 14

Mycobacterium bovis - generalised lesion - haematogenous spread, spleen - embolic, miliary TB white foci

Question 15

Answer 15

Mycobacterium bovis - cervid lesion, superficial lymphadenitis that drains to skin surface = suppurative granulomatous inflammation

Question 16

Answer 16

Mycoplasma sp.

Question 17

Answer 17

(Pigs)

Question 18

Answer 18

(Pigs)

Question 19

Answer 19

Mycoplasma hyopneumoniae (pigs)

Question 20

Answer 20

Question 21

Answer 21

Question 22

Answer 22

Question 23

Answer 23

Mycoplasma bovis

Question 24

Answer 24

Question 25

Answer 25

Mycoplasma bovis -

Question 26

Answer 26

Question 27

Answer 27

Question 28

Answer 28

Question 29

Answer 29

Question 30

Answer 30

Question 31

Answer 31

Question 32

Answer 32

Mycoplasma ovipneumoniae - hyaline scars

Question 33

Answer 33

Mycoplasma caprricolum spp. capripneumoniae

Question 34

Answer 34

Mycoplasma caprricolum spp. capripneumoniae

Question 35

Answer 35

Chronic bronchopneumonia, mycoplasma ovipneumoniae - cranioventral distribution, grey - tan − Heavy lungs − Rubbery consistency

Question 36

Answer 36

Hyphae (filaments) (fungi)

Question 37

Answer 37

Yeasts (fungi)

Question 38

Answer 38

Septate - divisions/intervals, type of hyphae (fungi)

Question 39

Answer 39

Non-septate hyphae (fungi)

Question 40

Answer 40

Budding - new yeast forming off original yeast + going externally (outside) (fungi)

Question 41

Answer 41

Endosporulation - bigger cust w/ little yeasts budding inside, same structure + enlarge into centre (fungi)

Question 42

Answer 42

Broad-based budding (fungi)

Question 43

Answer 43

Narrow-based budding (fungi)

Question 44

Answer 44

Pigmented fungi

Question 45

Answer 45

Non-pigmented fungi, purple = background stain of H&E

Question 46

Answer 46

Mycotic rhinitis due to Aspergillus fumigatus (fungi)

Question 47

Answer 47

Purulent/haemorrhagic exudate due to mycotic rhinitis , Aspergillus fumigatus (fungi)

Question 48

Answer 48

(fungi)

Question 49

Answer 49

Necrotising colitis due to pulmonary aspergillosis (fungi)

Question 50

Answer 50

Embolic pneumonia (fungi)

Question 51

Answer 51

(fungi)

Question 52

Answer 52

Blastomyces dermatitidis (fungi)

Question 53

Answer 53

(fungi)

Question 54

Answer 54

Osteomyelitis due to Blastomyces dermatitidis (fungi)

Question 55

Answer 55

Cryptococcosis - yeasts in tissues, thick capsule = 'soap bubble' appearance (fungi)

Question 56

Answer 56

Cryptococcosis (fungi)

Question 57

Answer 57

Draining skin nodules (cat) due to Cocccidiomycosis (Valley Fever) (fungi)

Question 58

Answer 58

Sporangia - coccidiodomycosis (fungi)

Question 59

Answer 59

Coccidioidomycosis - nodular to miliary lesions in the lungs (fungi)

Question 60

Answer 60

(fungi)

Question 61

Answer 61

(fungi)

Question 62

Answer 62

(fungi)

Question 63

Answer 63

Ethmoid conchae ulcerative lesion due to Entomopthoromycosis (fungi)

Question 64

Answer 64

Unilateral soft, pink nasal poly, bleeds easily due to Rhinosporidium seeberi (aquatic protist parasite)

Question 65

Answer 65

Question 66

Answer 66

(fungi)

Question 67

Answer 67

(fungi)

Question 68

Answer 68

Fish-eye appearance - lots of agents within neutrophils, Histoplasma capsulatum, lungs (fungi)