Final

Question 1

What is classical presentation for ringworm in horses?

Answer 1

alopecia around periocular, face, girth area

Question 2

What horse derm dz causes severe pruritis, happens in winter, and causes alopecia on the mane and neck?

Answer 2

pediculosis (lice)

Question 3

What horse derm dz happens in the summer, is progressive and causes rat tail?

Answer 3

culicoides

Question 4

What horse derm dz causes extreme pruritis, happens in the summer, and occurs in horses greater than 4 years old?

Answer 4

onchocerciasis

Question 5

What horse derm dz causes paintbrush scabs along dorsum and occurs in fall and winter?

Answer 5

dermatophilosis

Question 6

What is the only pemphigus dz that affects horses?

Answer 6

pemphigus foliaceus

Question 7

What hypersensitivity type is caused by sensitized T lymphocytes and is involved in allergic contact dermatitis?

Answer 7

Type 4

Question 8

What do most treatments for atopic dermatitis act on?

Answer 8

TH2 cells

Question 9

What do animals with atopy have increased numbers of?

Answer 9

langerhan cells, T helper 2 cells, cytokines

Question 10

What is the MOA of cyclosporine?

Answer 10

inhibits cytokine release, inhibits langerhan cells, inhibits histamine

Question 11

What drug can be given with cyclosporine to decrease the dose?

Answer 11

ketoconazole

Question 12

What is the difference between atopy and contact dermatitis?

Answer 12

atopy: type 1-4, typically 1
contact: type 4

Question 13

What are the treatment options for feline plasma cell pdododermatitis?

Answer 13

doxycycline, cyclosporine, chrysotherapy

Question 14

What type of hypersensitivity is food allergies?

Answer 14

type 1-3, can be immediate or delayed

Question 15

What is the disease that causes vesicles and urticarial plaques in response to drug reactions in small animals?

Answer 15

erythema multiforme

Question 16

What is the name of the disease that is a serious drug reaction and results in large areas of skin to necrose and slough?

Answer 16

toxic epidermal necrolysis

Question 17

WHat drugs can cause erythema multiforme?

Answer 17

cephalexin, chloramphenicol, gentimicin, thyroxine, TMS, penicillin, aurothioglucose, diethylcarbamazine

Question 18

What lesions are present in subcorneal pustular dermatosis?

Answer 18

nonfolicular pustules that are transient, may be pruritic

Question 19

What is the treatment for subcorneal pustular dermatosis?

Answer 19

sulfonamides

Question 20

What breed is predisposed to panniculitis?

Answer 20

dachsunds

Question 21

What is the treatment for panniculitis?

Answer 21

tocopherol (Vit E), pentoxiphyline, steroids, tetra

Question 22

Term for sudden hair loss immediately after severe illness or chemotherapy?

Answer 22

anagen defluxion

Question 23

Term for massive shedding due to stressful event.

Answer 23

telogen defluxion

Question 24

What underlying diseases are associated with metabolic epidermal necrosis?

Answer 24

hepatic disease (DM, glucagon tumor, cushings)

Question 25

What causes the lesions associated with metabolic epidermal necrosis?

Answer 25

hypoaminoacidemia or high glucagon

Question 26

What is the characteristic histopathological lesion associated with metabolic epidermal necrosis?

Answer 26

french flag lesion - red white and blue

Question 27

What neoplasms are associated with feline paraneoplastic alopecia?

Answer 27

adrenal tumors, glucagonomas, thymic tumors, splenic tumor

Question 28

What is the lesion distribution for feline paraneoplastic alopecia?

Answer 28

periocular and ventral abdomen

Question 29

What are treatment options for a dog with symmetric lupoid oncydystrophy?

Answer 29

tetra and niacinamide pentoxyphylline glucocorticoids

Question 30

What drugs result in ototoxicity in dogs?

Answer 30

high concentration chlorhexadine | aminoglycosides

Question 31

What special considerations should be made for using aminoglycosides to treat otitis externa in a dog?

Answer 31

allergic rxns, tear in tympanic membrane

Question 32

What feather type helps find vessels on birds?

Answer 32

apteria

Question 33

What is the top beak called?

Answer 33

rhinotheca

Question 34

What is the bottom beak called?

Answer 34

gnathotheca

Question 35

What nutritional deficiency leads to derm problems in birds?

Answer 35

vit A

Question 36

What is Beak and feather disease caused by? Where does it multiply?

Answer 36

circovirus | bursa of fabricious - younger birds more susceptible

Question 37

What are CS of beak and feather disease?

Answer 37

pterylodysplasia (pinched or clubbed feathers) | beak necrosis

Question 38

What species of bird are susceptible to knemidokoptic mange?

Answer 38

budgies and canaries

Question 39

What are the CS of knemidokoptes?

Answer 39

glaborous skin affected, overgrown beak, whitish lesions

Question 40

What is the most important factor is dysecdysis in reptiles?

Answer 40

humidity and hydration

Question 41

What does hypovitaminosis A cause in turtles?

Answer 41

squamous metaplasia of cells - eustacian tubes

Question 42

What organisms can be found in rabbit abscesses?

Answer 42

not ONLY pasteurella | also s. aureus, proteus, etc

Question 43

What is the tx for small mammal abscesses?

Answer 43

must do sx

Question 44

What causes syphilis in rabbits?

Answer 44

treponema cuniculi

Question 45

What are the CS of syphillis in rabbits?

Answer 45

crusts around nose and genital area

Question 46

What flea med should never be used in rabbits?

Answer 46

fipronil (frontline)

Question 47

What fur mite do rabbits get?

Answer 47

walking dandruff - cheyletiella

Question 48

What must ivermectin be diluted with?

Answer 48

propylene glycol

Question 49

What kind of pigs are most likely to be affected by exudative epidermitis?

Answer 49

suckling pig

Question 50

What is the pathogenesis of swine dermatitis and nephropathy syndrome?

Answer 50

vasculitis

Question 51

What do the macroconidia of Microsporum nanum look like?

Answer 51

ovoid, 1-3 cells

Question 52

What CS are associated with sarcoptes scabei in pigs?

Answer 52

aural hematomas, popular dermatitis, reduced feed efficiency

Question 53

What bacteria causes exudative epidermitis?

Answer 53

staph hyicus

Question 54

What is the sucking louse that affects pigs?

Answer 54

hematopinus suis

Question 55

What breed of pig most commonly gets pityriasis rosea?

Answer 55

landrace

Question 56

What have erysipelas outbreak sources been associated with?

Answer 56

birds

Question 57

What causes giant cell pneumonia in landrace pigs?

Answer 57

dermatosis vegetans

Question 58

What pig skin diseases are zoonotic?

Answer 58

erysipelas, sarcoptes, m. nanum (NOT swine pox)

Question 59

What breeds of pigs get scrotal hemangiomas?

Answer 59

yorkshire and berkshire

Question 60

What is parakeratosis due to in pigs?

Answer 60

excess calcium

Question 61

How long can erysipelas survive in the environment?

Answer 61

6 months

Question 62

What is hog choler caused by? (classical swine fever)

Answer 62

pestivirus

Question 63

What kind of bacteria is erysipelas?

Answer 63

gram + rod

Question 64

What plant causes skin necrosis when fed along grains in pigs?

Answer 64

claviceps purpurea

Question 65

What are the CS of subacute exudative epidermitis?

Answer 65

thickened/wrinkled skin with furrows