Skin diseases

Question 1

Haematopinus suis - common name

Answer 1

Lice

Question 2

Lice and nits are grossly visible, especially around the ___ and ___.

Answer 2

Head and neck

Question 3

Lice can transmit ____ and _____.

Answer 3

Swine pox, eperythrozoonosis

Question 4

Lice cause pruritis and irritation. True or False.

Answer 4

True

Question 5

Sarcoptes scabiei - common name

Answer 5

Mange

Question 6

What is the most common pruritic skin disease in swine?

Answer 6

Mange - Sarcoptes scabiei

Question 7

Infection of Sarcoptes scabiei in young pigs results in ______ reaction.

Answer 7

Hypersensitivity

Question 8

Mites can be easily demonstrated more easily by _________ on older, chronically infested animals.

Answer 8

skin scraping

Question 9

Mange can significantly impact productivity. True or False.

Answer 9

True

Question 10

External parasite control - feed additive

Answer 10

Ivermectin (ivomec premix) - treat twice two weeks aparts, after eggs have hatched

Question 11

Injectable external parasite control

Answer 11

Ivermecint (ivomec)

Doramectin (dectomax)

Question 12

Pour-on external parasite control

Answer 12

Amitrax (pointGuard)

Question 13

Spray external parasite control

Answer 13

Phosmet (prolate)

Amitrax (taktic)

Others

Question 14

Etiology of porcine dermatitis and nephropathy syndrome (PDNS)

Answer 14

Unkown etiology, appears to be immune-mediated

Question 15

PDNS results in mutlifocal, raised, dark red skin lesions, generalized or _____ distribution.

Answer 15

Ventral

Question 16

Most pigs recover from PDNS, but some die in ____ distress and ____ failure.

Answer 16

Respriatory and renal

Question 17

Hallmark lesion of PDNS:

Answer 17

Necrotizing vasculitis and glomerulonephritis

Question 18

Swine pox is caused by te pox virus, and results in focal ______ pustules that have minimal clinical significance.

Answer 18

umbilicated

Question 19

Etiology of ringworm

Answer 19

Microsporum nanum and Trichophyton verrucosum

Question 20

Rignworm has little clinical significance to the pig, but may be transmited to ______.

Answer 20

People

Question 21

Parakeratosis presents as thickened, crusty skin, and is caused by a ___ deficiency/____ excess

Answer 21

zinc; calcium

Question 22

Pityiasis rosea is also called ______

Answer 22

Porcine Juvenile Pustular Psoriaform Dermatitis

Question 23

Pityasis rosea lesions are located on the:

Answer 23

ventral abdomen

Question 24

Pityasis rosea lesions resemble _____

Answer 24

rinworm

Question 25

Etiology of Pityiasis rosea:

Answer 25

unkown cause - possibly hereditary in Landrace breed

Question 26

In pityiasis rosea, lesions will resolve sontaneoulsy in ___ weeks.

Answer 26

4

Question 27

A discrete, firm, often pigemented skin tumor.

Answer 27

Melanoma

Question 28

Melanomas occurs most often in _____ breed and has a hereditary predisposition.

Answer 28

Duroc

Question 29

Melanoma tumors may spread but often rergress ______.

Answer 29

Spontaneously

Question 30

Regression of melanomas is often associated with generalized ______.

Answer 30

Depigmentation