Medicine BCSE

Question 1

What is Fowl Plague also known as?

Answer 1

High Pathogenic Avian Influenza (HPAI)

Question 2

What is Pseudorabies also known as?

Answer 2

Aujeszky’s Disease

Question 3

What is Classic Swine Fever also known as?

Answer 3

Hog Cholera

Question 4

What disease shows paintbrush hair tuft lesions?

Answer 4

Dermatophilosis

Question 5

What are the clinical signs of Chorioptic Mange?

Answer 5

Scaling of skin, hair loss (alopecia), crusting, thickening of skin (lichenification), pruritis, etc.

-Usually on perineum, udder, and scrotum.

Question 6

What diseases are caused by the Morbilli Virus?

Answer 6

-Rinderpest in Fowl
-Peste des Petits Ruminants (PPR) in Sheep and Goat (small domestic and wild ruminants)
-Canine Distemper in Dogs
-Measles in Humans

Question 7

Which organism determines the determine minimum temperature needed to pasteurize milk in the US?

Answer 7

Coxiella burnetii causing Q Fever

Question 8

A poultry flock has fallen ill. Clinical signs include respiratory distress (coughing), exclusion of blood in trachea, dyspnea, etc. What is the most likely diagnosis of disease?

Answer 8

Infectious Laryngotracheitis (ILT)

-Caused by Herpesvirus

Question 9

A poultry flock has fallen ill. Clinical signs include an enlarged liver, enlarged spleen, leg paresis, and a bluish (cement) color of the legs. What is the most likely diagnosis for this disease?

Answer 9

Marek’s Disease

-Caused by Alphaherpesvirus (herpes)

Question 10

How long can Brucella abortus survive in a cool, moist environment?

Answer 10

about 2 months

Question 11

Which neonatal calf diarrhea has a zoonotic importance?

Answer 11

-Cryptosporidium
-Salmonellosis

Question 12

How does High Pathogenic Avian Influenza present in humans?

Answer 12

Severe Pneumonia

Question 13

How does New Castle Disease present in humans?

Answer 13

Conjunctivitis

Question 14

Fistulous withers, with pus draining on the withers, in horses is caused by what agent?

Answer 14

Brucella abortus and Actinomyces bovis

-Fistulous withers is a condition found in horses where the supraspinous bursa (located near the withers) becomes inflamed. This condition can be caused by traumatic injuries or infectious agents. When an infectious agent is involved it is most often caused by Brucella abortus.

Question 15

What can you trust about a Highly Sensitive Test?

Answer 15

You can trust a negative result as there are very few false negatives.

Question 16

What can you trust about a Highly Specific Test?

Answer 16

You can trust a positive result as there are very few false positives.

Question 17

What is the primary route of infection of Brucella abortus?

Answer 17

Ingestion

Question 18

What is the most common route for humans to get the plague?

Answer 18

A bite from a rodent flea

-Oriental rat flea (Xenopsylla cheopis)

Question 19

How long after the 1st vaccination for rabies is the animal considered immunized from the disease?

Answer 19

28 days

Question 20

How long after the booster vaccine for rabies is the animal considered to be immunized?

Answer 20

Immediately

Question 21

What is the worst method for disposal of a carcass of an animal infected with Bovien Spongiform Encephalopathy (BSE)?

Answer 21

Rendering

RECALL: Rendering converts waste animal tissue into usable materials

Question 22

What is the best method for disposal of a carcass of an animal infected with Bovien Spongiform Encephalopathy (BSE)?

Answer 22

Incineration

RECALL: Incineration is the destruction of something, especially waste material, by burning.

Question 23

What disease in Horse is cause for isolation for life and/or euthanasia?

Answer 23

Equine Infectious Anemia (EIA)

Question 24

What is the diagnostic test of choice for Equine Infectious Anemia (EIA)?

Answer 24

Coggins Test (blood test)

Question 25

How long does Brucella abortus last in direct sunlight?

Answer 25

a few hours

Question 26

In which part of the USA would you expect to find the plague?

Answer 26

The West

Question 27

What is an acceptable body temperature for a pig to be allowed to go to slaughter?

Answer 27

Less than 106℉ (41℃)

Question 28

What is an acceptable body temperature for horse, sheep, and cattle to be allowed to go to slaughter?

Answer 28

Less than 105℉ (40.5℃)

Question 29

Bipolar staining was done to reveal organisms with a Safety Pin appearance - what is the microorganism?

Answer 29

Yersinia pestis (plague)

Question 30

What is the treatment of choice for Chorioptic Mange in Cattle?

Answer 30

0.25% Crotoxyphos spray + lime and sulfur dip + Ivermectin

-Cattle leg mange, North East USA, mostly in winters

Question 31

What does Campylobacter jejuni in humans cause?

Answer 31

Enterocolitis

Question 32

Best AM diagnostic test for Scrapie in Sheep?

Answer 32

Immunohistochemistry of the Third Eyelid

Question 33

What is the diagnosis of a duck showing signs of flaccid paralysis/limber neck?

Answer 33

Botulism (Type C)

Question 34

Highly efficient oral transmission of West Nile Virus occurs in what species?

Answer 34

Cats

Question 35

What part of the cattle, other than the muscles, is acceptable for consumption in the United States?

Answer 35

Thymus and Pancreas (also called “Sweetbread”)

Question 36

In a slaughterhouse, the examiner found a mass in the right atrium of the heart of cattle resulting in condemnation of the cow - what is the most likely reason for condemnation?

Answer 36

Bovine Leukosis