Past qs 1 Flashcards by Martine Lefstad

Which of the following is true for Perosis?

The tendon of the gastrocnemius slips off

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Osteomalacia is..?

None of the above (true definition: defective bone mineralization)

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Which of the following statements is true for osteoporosis?

There is a severe rarefication in the spongy texture of the bone

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What does amyelia mean?

Congenital lack of spinal cord

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Which of the following is classified by osteoclast hyperfunction?

Osteodystrophia fibrosa

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Perosis develops due to?

Mn(Manganese) deficiency

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What is the cause of the ossification disorder observed in newborn piglets?

Congenital rickets

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In which of the following does optic nerve compression frequently occur?

Vit A deficiency

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During osteothesaurismosis..

There is no deformation in the tubular bones

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Which of the following conditions is characteristic for the bones of an unused limb?

Osteoporosis

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Which is true for osteodystrophia fibrosa?

In animals it is usually a secondary pathological process

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What does poliomyelitis mean?

Inflammation of GM (grey matter) of spinal cord

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Which of the following is a congenital bone development disorder?

Osteogenesis imperfecta

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Osteodystropha frequently occurs in?

Facial bones/ ribs / vertebrae/ long tubular bones

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Which of the following changes can be observed in case of myositis chronica eosinophilica?

Eosinophil granulocyte inflammation of the masticatory muscles

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Which of the following leads to osteopetrosis in birds?

Retrovirus

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Which histopathological change is characteristic for infectious spongiform encephalopathy?

Formation of amyloid plaques due to neuronal degeneration

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What age an hydrocephalus develop?

Any age

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What does panostetitis stand for?

Simultaneous inflammation of the bone and periosteum

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In which of the following is there a decreased osteoid formation?

Calcium deficiency

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Which endocrine organ has a major role in the ossification process?

Parathyroid

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Which of the following changes is characteristic for rickets?

All of them (uncalcificated cartilage and osteoid tissue in growing zone/ CT in the metaphysis/ deformation of the bones)

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Which of the following is correct in case of koves disease?

It is caused by Cl. Septicum and affects the swine

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Arthrosis can be defined as?

Regressive changes in the joint cartilage

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Which virus cause proventricular lesions?

Caused by the virulent strain of infectious bursitis

What is the most common primary organ lesion for tuberculosis?

Intestines

What causes hemorrhagic tracheitis?

Herpesviridae-Alphaherpesvirinae- Infectious laryngotracheitis virus (ILTV)

When does the air chamber appear, when is it formed in the egg?

Day 5

Where is the eggshell pigmented in the oviduct?

Uterus (vagina-gland in the transition, protoporphyrin)

How can you differentiate Coli granules from tuberculosis?

Stain the bacteria, ZN Coli granulosa

Who has crop milk?

Pigeon, dove

Mortality/morbidity in PEMS and PEC?

Up to 100% (turkey)

What happens to the yolk sac (through what opening is it absorbed?)

Normally absorbed the day before hatching via navel (20-21st day) then it is digested in the first couple of weeks via ductus vitello intestinalis

What does Clostridium botulinum do?

Toxins by ingestion. Botulism proliferates, produces toxins - goes to medulla and cause fatal motor paralysis

What does the intestines look like in malabsorption?

Grayish, dilated, undigested food appear, degeneration of villi

What type of hepatocytes? (Picture?)

Immature (duck viral hepatitis, young)

What causes uricosis in day old chickens?

Vit A deficiency and/or mycotoxins - cause degeneration in the kidney during hatching

Pathological findings in Derzy’s disease?

Hydropericardium, rounded heart

What part of skeleton is affected by spondylosistenis (skeletal disease of turkey)

6th thoracic vertebra, deformity which causes spinal cord compression and paralysis

Thickness of epiphyseal cartilage in some bird species?

1-3 mm

What affected organ causes black head disease?

Turkey; liver - black spots (Histomonas meleagridis)

Osteothesaurismosis is?

Physiological accumulation of Ca in bone or eggshell

Derzy’s disease caused by?

Parvovirus

Differences between duck and chicken baby bird?

Duck has elongated beak, longer than chicken. Duck has swim feet

Cause of “mushy chick disease”?

Noninfectious: inadequate nutrition in layer, bad egg handling, problems during hatching. Infectious: salmonella, E. coli etc.

Pathology of mushy chick disease?

Decreased body weight, inflamed yolk sac, omphalitis, open navel

Pathogen of embryonic death in first trimester?

Mycoplasma iowae

Clinical signs of Derzy’s disease?

Opisthotonos, loss of feathers around eyes, abnormal movement

Where does the primary lesion of Runting stunting syndrome appear?

Intestines

Histomonosis appears mostly in which species?

Turkey

Where are the necrotic foci found in histomonosis?

Liver

Trichomonosis appears mostly in which species?

Young pigeon

Which bacteria does not cause gangrene?

P. Multocida

Bollinger bodies are seen in what disease?

Avian pox

Quail disease?

Ulcerative enteritis

What can cause proventricularis?

All (pox, adeno, corona)

Vector of borrelia?

Avian tick

Acute borreliosis in geese causes?

Diarrhea and emaciation

Chronic fowl cholera is caused by?

Less virulent strain of P. multocida

Aracuna gives?

Green eggs

Campylobacter jejuni main feature?

Septicemia

Ca deposit in long bones?

Osteothesaurisomosis

Who has spotted egg?

Turkey (alternatives were; chicken, duck, goose)

What keeps the yolk in the centrum of the egg?

Chalaze

When is fatty infiltration of the liver pathological in young birds?

3 weeks (20 days)

Causative agent of arizonosis?

Salmonella

Why does pododermatitis often occur due to diarrhea?

? To be continued

What is cellulitis?

Inflammation of subcutaneous CT

What does Pseudomonas aeruginosa cause in egg?

Mixed content

Picture: egg with eggshell/Thin shell. Why?

Decreased mineralization

Which strain causes death in ND?

Velogenic

Agent of coryza?

Avibacterium avium

The different name for hydropericaridum ascites?

Increased pulmonary arterial pressure disease

Lesions in Derzy’s?

Serofibrinous fluid in cavities

Susceptible age in Derzy’s?

1-4 weeks

Susceptible age for duck for Rimerelliosis?

2-8 weeks

Species susceptible for Rimerelliosis?

Goose, duck

Species that can get infectious anemia?

Chicken

Hemorrhagic syndrome caused by?

Alternaria toxins (tenuazonic acid)

What young birds can be detected by the color of their feet and beak?

Guinea fowl

Rupture of follicles (degradation of follicles) leads to?

Serositis

Young birds get mycosis by what route?

Inhalation

Infectious bronchitis starts where?

In lower third of trachea

Osteomyelosclerosis is?

Another name for osteothesaurisosmosis

Erysipelas causes? A) Enlarged spleen B) Never enlarged spleen C) Necrosis of phallus D) No lesions in chicken

Infectious coryza can infect chicken and?

Pheasant, guinea fowl

Which pathogen causes sinusitis in turkey?

M. gallisepticum

Picking on cloaca can lead to?

Bleeding out

Duck plague shed the virus?

Lifelong

Ornithobacterium is?

Facultative pathogen

Infectious bronchitis first replicate?

Respiratory epithelium

Infectious bursitis susceptibility?

Up to 4 months of age

Lesion caused by very virulent strain in infectious bursitis?

Necrotic-hemorrhagic bursitis

The chronic respiratory disease (CRD) of poultry may be caused by?

M. gallisepticum

What happens in EDS (egg drop syndrome)?

A drop in egg production, soft shelled, caused by Flavivirus

Which strain can cause death in ND (Newcastle disease)?

Velogenic

What is the causative agent of Coryza?

Avibacterium avium

Why does aortic rupture occur?

Genetic factors, females, 2-3 weeks of age

What is the causative agent of Arizonosis?

Salmonella arizonae

What is quail disease?

Ulcerative enteritis, caused by Clostridium collinum

Which species are affected by Trichomonosis?

Pigeons

What age are mostly affected by Trichomonosis?

Young squabs, adults are just carriers

Pathogen of gangrenous dermatitis?

C.septicum, C.perfringens and S. aureus

Causative agent for fowl cholera?

Pasteurella multocida