Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

LAM 2 > Bovine Respiratory > Flashcards

Bovine Respiratory Flashcards

1
Q

If both nostrils have reduced airflow where is the FB/mass

A

Caudal to the nasal septum

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

What is the treatment for a fungal mass

A

Sodium Iodide IV

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What is the common bacteria causing pharyngeal abscess

A

Trueperella pyogenes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

What are the most common causes of pharyngeal abscess

A

Inapropriate use of oral dosing equipment
Stomach tubes
Coarse feedstuffs

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Clinical signs of pharyngeal abscess

A

head/neck extension
excessive salivation
malodorous breath
severe pain on palpation

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Laryngeal/pharyngeal dysfunction commonly occurs secondary to _____

A

Chondritis of laryngeal cartilages — secondary to necrosis/abscess from viral infection/damage

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Necrotic pharyngitis is also known as

A

Calf diphtheria

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

What is the agent that causes calf diphtheria

A

Fusobacterium necrophorum

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Clinical signs of calf diphtheria

A

Severe malodorous breath

Very loud honking resp noise

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Infectious Bovine Rhinotracheitis (IBR) also known as red nose is caused by

A

Bovine Herpes 1

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

BHV 1.1 causes

A

resp Dz and abortion

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

BHV 1.2a causes

A

Genital tract infection (vulvovaginitis)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

BHV 1.1b causes

A

Resp Dz w/o abortion

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

BHV1 most commonly affects calves ____ or older

A

6 months or older

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Which virus is limited to the respiratory tract and doesn’t cause Dz in any other parts of the body

A

Bovine Parainfluenza 3

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Which cells does PI-3 affect

A

Epithelial cells of resp tract resulting in bronchitis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

Clinical signs of PI-3

A

High fever
Nasal/ocular discharge
Increased resp rate w/ tracheal rales

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

BRSV does not have an effect on ___

A

Reproduction or fetus

**Can cause abortion due to high fever

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

What age does BRSV affect

A

Calves 3-12 mo

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

What cells does BRSV affect

A

Epithelial cells of nasal mucosa to bronchi including type 2 pneumocytes and alveolar macrophages

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

BVDV often interacts with other infectious agents causing substantial ___ and ___ Dz

A

Respiratory and Digestive tract Dz

22
Q

BVDV is what type of virus

A

Pestivirus (flaviviridae)

23
Q

What days of gestation does BVDV infection cause a PI calf

A

42-125 days of gestation

24
Q

What is the most common form of BVDV

A

Type 1b Non-cytopathic

25
Q

What organs/cells are most affected by BVDV

A

Lymphoid organs
B Cells
T Cells
Neutrophils

26
Q

BVDV can impair the _____ system

A

Innate immune system of the respiratory tract

27
Q

What results from a PI calf being infected with a cytopathic strain

A

Mucosal Dz

28
Q

Mucosal Dz characteristics

A

GI tract erosions/ulcers
Skin lesions
Interdigital lesions

29
Q

What is the fate of PI calves

A

Most die by 6 mo of age

30
Q

Agents causing Shipping Fever

A

**Mannheimia Hemolytica
**Pasturella Multocida
Histophilus Somni
Mycoplasma
Trueperella

31
Q

Mannheimia Haemolytica is gram __

A

negative

32
Q

How many days after a stressful event does shipping fever occur

A

6-10 days

33
Q

Mannheimia haemolytica characteristic signs

A

Fibrinous pleuropneumonia

**Irreversible lung damage

34
Q

What do the lung lobes of a cow with Mannheimia look like

A

Cranioventral lobes are dark red-black or gray-brown with distention of interlobular spetae

**Hepatization of the lung

35
Q

The ___ layer on mannheimia causes hemorrhage, edema, hypoxemia and inflammation

A

LPS

36
Q

Pastuerella Multocida causes

A

Fibrinopurulent bronchopneumonia
Coalescing abscesses

**More pus forming

37
Q

Abx for pasturella Tx

A

Gram negative spectrum

38
Q

What other than Abx can be used to reduce lung inflammation and increase appetite for cows w/ pasteurella

A

NSAID
Corticosteroids
Vit C

39
Q

What is the most common Dz manifestation for Histophilus Somni

A

Bronchopneumonia in lightweight calves

Pleuritis

40
Q

What is the main characteristic of Mycoplasma

A

Lobar bronchopneumonia with severe peribronchial cuffing — in highly stressed young calves

41
Q

Mycoplasma can also cause

A

Arthritis

42
Q

Characteristic necropsy lesions for mycoplasma

A

Coagulative necrosis (purulent center surrounded by histiocytic/mononuclear infiltrate)

43
Q

Mycoplasma causes a ____ response

A

Th-2 immune response

44
Q

Why does vaccination not help with mycoplasma

A

Infection causes Th-2 response

Vaccination causes Th-1 response (IF-g)

45
Q

Which group of Abx is not effective for mycoplasma

A

Beta-lactams due to lack of cell wall

46
Q

What causes Fog Fever

A

1-tryptophan in the pasture converted to 3-methylindole causing necrosis of bronchiolar cells and type 1 pneumocytes

47
Q

When does Fog Fever commonly occur

A

When cattle abruptly start grazing lush pastures after being on dry lot or poor quality pasture

48
Q

Lesions of Fog Fever

A

Alveolar and interstitial edema
Interlobular emphysema

**caudal lobes – expanded, pale, rubbery

49
Q

What can be fed to help prevent Fog Fever

A

Feed ionophores (changes VFA to Proprionic acid reducing 3-methylindole)

50
Q

What is in moldy sweet potatoes that can cause Fog Fever

A

4-ipomeanol – fungus fusarium solani

LAM 2 (3 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions