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Exotics - Avian Dz MCQs

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drraythe's version from 2016-04-15 21:50

Commercial Poultry/Avian Dzs

Quick & Dirty MCQ’s

Question Answer
Which of the following Dzs is NOT reportable?
a. New Castle dz
b. Avian Influenza
c. Infectious Bursal dz
d. Infectious laryngotracheal dz
e. West Nile Virus
c. Infectious Bursal Dz
Which of the following is NOT a possible way NCD is transmitted?
a. Distant flocks w/ NCD
b. Poultry products from infected birds w/ NCD
c. Virus filled excretions
d. Wild avian species
e. None of the above
e. None of the above
Which of the following forms of NCD will show lesions of encephalitis?
a. Velogenic viscerotropic
b. Velogenic neurotropic
c. Mesogenic
d. Lentogenic
e. A & B only
b. Velogenic neurotropic
Which of the following forms of NCD will show nervous signs?
a. Velogenic viscerotropic
b. Velogenic neurotropic
c. Mesogenic
d. A & B only
e. All of the above
e. All of the above
Which of the following lesions are NOT GENERALLY seen in a NCD infxn?
a. Hemorrhages in the proventriculus
b. Suppurative encephalitis
c. Hemorrhagic ova
d. Edema of the face & head
. Tracheitis
b. Suppurative encephalitis
In terms of control of a NCD outbreak which of the following is not a common practice?
a. Quarantine of the outbreak area up to a 5km radius
b. Vx of susceptible birds in the quarantine area
c. Treatment of the infected birds w/ anti-virals & anti-biotics
d. Depopulation of the infected flock
e. None of the above
c. Treatment of the infected birds w/ anti-virals & anti-biotics
Birds w/ a vitamin D deficiency will NOT show what CS or symptoms w/ osteoporosis?
a. Paralytic symptoms
b. Commonly seen in laying birds
. Commonly seen in adult birds
d. None of the above
d. None of the above
Which of the following is NOT seen in chicks w/ vitamin A deficiency?
a. Drop in egg production
b. Poor growth
c. Lack of pigmentation
d. Cheesy material in the various organs
e. Ruffled Feathers
a. Drop in egg production
Which of the following is FALSE in regards to a deficiency of vitamin E?
a. Encephalomalacia seen btwn 2 & 5 weeks of age
b. Muscular dystrophy w/ white streaks in the muscle
c. Exudative diathesis in the hocks & cerebrum
d. Muscular dystrophy affecting the heart & gizzard
e. Exudative diathesis czing greenish-blue fluid in the abdomen
c. Exudative diathesis in the hocks & cerebrum
Which vitamin deficiency czs ‘Curly toe paralysis’?
a. A
b. B
c. C
d. D
e. E
b. B
A necropsy of a group of chicks shows signs of diffuse nodular tumors on the liver, spleen, & sternum. They are white, soft, & friable. On histopathology the tumors are composed of immature granulocytes. Which dz czing agent would MOST likely be the causative agent?
a. Marek’s Dz
b. Leukosis
c. Myelocytomatosis
d. New Castle Dz
e. Avian Influenza
c. Myelocytomatosis
Follow up: What test would you use to precisely identify the dz czing agent?
a. Bacterial culture
b. PCR of feather pulp
c. Virus isolation & ID
d. A & B only
e. B & C only
e. B & C only
Marek’s Dz is czd by what type of virus?
a. Herpes virus
b. Birnavirdae family
c. Cornavirus
d. Pox Virus
e. Adenovirus
a. Herpes virus
Which of the following is FALSE in regards to Marek’s Dz?
a. Chicks are vaccinated at 1 week for effective prevention
b. Tumors due to Marek’s Dz consist of pleomorphic cells
c. Nerves will appear gray, pale, w/ or w/o tumors
d. The dz may cz blindness
e. None of the above
a. Chicks are vaccinated at 1 week for effective prevention
An adult laying hen presents for necropsy. On inspection you find hemorrhagic plugs in the larynx, bloody exudates on the beak & feathers, & on histopathology inclusion bodies in the epithelial cells of the trachea. Which of the following dz czing agents do suspect is the most likely cz?
a. Infectious Bursal Dz
b. Avian Influenza
c. Pneumovirus
d. Infectious Larngotracheitis
e. New Castle Dz
d. Infectious Larngotracheitis
Follow up: What would be the effective treatment for birds in this flock that are suspect to have the dz of the bird presented?
a. Immediate antibiotic treatment
b. No treatment
c. Immediate Quarantine of the flock & surrounding flocks in a 5km area
d. Vx of the infected birds
e. None of the above
b. No treatment
A group of chicks 4 weeks of age present for necropsy. On examination you find hemorrhage in the thighs & proventriculus. In some of the chicks there is also evidence of nephrosis. Which of the following dz would you suspect is the causative agent?
a. IBD
b. ILT
c. IB
d. NCD
e. Fowl Pox
a. IBD
How do you distinguish between NCD & IB?NCD more severe w/ ↑ mortality in all age groups, egg drop more marked, nervous signs present
How would you differentiate between ILT & IB?ILT does not affect younger birds, spreads slowly, shows hemorrhagic tracheitis
In regards to infectious bronchitis, which of the following is FALSE?
a. Mortality is higher in younger chicks
b. Infected adult flocks will produce soft-shelled eggs
c. Gross lesions of cystic oviducts may be seen
d. Pathogenic for chickens only
e. IB is pathogenic for chickens, turkeys, & ducks
e. IB is pathogenic for chickens, turkeys, & ducks
Which of the following dz would be in your DDx diagnosis for IB?
a. NCD
b. ILT
c. Fowl Pox
d. A & B only
e. B & C only
d. A & B only
A red-tail hawk is brought in to you for necropsy & you find the following lesions: Coryza like symptoms in the infra-orbital sinus, hepatomegaly, splenomegaly, & histopathology shows Bollinger bodies in the epithelial cells. Which of the following dzs would be 1st on your DDx list.
a. NCD
b. IBD
c. Fowl Pox
d. Avian influenza
e. Pneumovirus
c. Fowl Pox
Which of the following dz will cz hemorrhages in the proventriculus, a swollen mottled liver, & atrophy of the thymus & bursa in chickens?
a. NCD
b. AI
c. Chicken infectious anemia
d. Mycoplasmosis
e. Hemorrhagic enteritis
c. Chicken infectious anemia
Which of the following is not on your DDx list for Chicken Infectious Anemia?
a. Marek’s Dz
b. Avian Influenza
c. Gumboro
d. Mycotoxins
e. Sulfonamide administration
b. Avian Influenza
What is a common lesion of turkeys w/ bordetellosis?
a. Edema in the abdomen
b. Clear, watery diarrhea
c. Hemorrhagic plugs in the trachea
d. Distortion of the tracheal cartilage
e. Hemorrhagic diarrhea
d. Distortion of the tracheal cartilage
An adult tom-turkey is presented to you for necropsy & shows the following lesions: white, chalky spots on the pancreas, petechial hemorrhaging in the intestinal mucosa, & watery/frothy contents in the intestine. Which of the following is most likely the causative agent?
a. Hemorrhagic enteritis
b. Mud Fever
c. Egg Drop syndrome
d. IBD
e. NCD
b. Mud Fever
Follow up: What would be the planned treatment for the flock of birds?
a. Penicillin injxns
b. No treatment
c. Quarantine & eradication of the flock
d. Antiserum
e. None of the above
b. No treatment
Which of the following is FALSE in regards to hemorrhagic enteritis?
a. Transmitted vertically & horizontally
b. Inranuclear inclusions are found in RE cells of the spleen
c. Sudden death is often seen
d. Common in turkeys btwn 6 & 9 weeks of age
e. None of the above
a. Transmitted vertically & horizontally
Egg drop syndrome is czd by?
a. Aviadenovirus
b. Atadenovirus
c. Siadenovirus
d. Herpes virus
c. Siadenovirus
Which of the following is TRUE of EEEV, WEEV, & WNV?
a. Birds remain symptomless carriers
b. All highly fatal in crows
c. All transmitted by mosquitoes
d. CNS derangement in all dz
e. None of the above
c. All transmitted by mosquitoes
Which of the following is FALSE in regards to Duck Virus Enteritis?
a. It is a notifiable dz
b. May show up to 100% mortality
c. Ducks under 7 days of age are highly susceptible
d. Acute death is often seen
e. Czd by a herpes virus
c. Ducks under 7 days of age are highly susceptible
Which of the following is FALSE in regards to Duck Virus Hepatitis
a. May cz coagulative necrosis
b. Liver is often swollen & hemorrhagic
c. There is no good treatment for the dz
d. Ducks are generally vaccinated at day one
e. Ducks older than 4 weeks are more susceptible than younger ducks
e. Ducks older than 4 weeks are more susceptible than younger ducks
Which of the following is TRUE in regards to the different causative agents of Coccidiosis?
a. E. acervulina is seen commonly in the lower intestine
b. E. maxima is seen commonly in the upper intestinal tract
c. E. necatrix is seen commonly in the ceca
d. E. tenella is seen commonly in the lower intestine
e. None of the above
e. None of the above
Which of the following of causative agents of coccidiosis in turkeys is seen in the 2/3 anterior part of the intestine, w/ congestion & hemorrhaging.
a. E. dispersa
b. E. meleagrimitis
c. E. adenoiedes
d. E. maxima
e. E. tenella
b. E. meleagrimitis
Candidiasis most commonly found where in birds?
a. Cecum
b. Proventriculus
c. Ventriculus
d. Crop
e. Liver
d. Crop
Which of the following is not a proper control or preventative method for Aspergillosis?
a. Use of fungicides
b. Treatment w/ antibiotics
c. Depopulation
d. Removal of cz
e. Copper sulfate in the drinking water for prevention
b. Treatment w/ antibiotics
Which of the following would not be on your DDx for Avian Arthritis?
a. M. synoviae
b. Nutritional deficiencies
c. Bacterial arthritis
d. NCD
e. Growth deformities
d. NCD
A pigeon presents to you w/ sever bacterial infxns. What dz would you highly suspect as the primary source?
a. PBFD
b. Pacheco’s dz
c. Polyoma Virus
d. Pigeon circovirus
d. Pigeon circovirus
Which of the following CS is most definitive for a bird w/ PBFD?
a. Loss of feathers w/ progressive growth of normal feathering
b. Feathers on the head of bird are intact
c. Bilateral feather loss w/o regeneration of normal feathering
d. Yellow green diarrhea
e. Undigested seeds in the feces
c. Bilateral feather loss w/o regeneration of normal feathering
Which of the following is NOT on your DDx for Proventricular dilation syndrome?
a. Lead poisoning
b. Foreign body obstruction
c. Megayeast infxn
d. Hypothyroidism
e. None of the above
d. Hypothyroidism
Which of the following is FALSE in regards to a Polyoma Viral Infxn in budgies?
a. Lesions consist of SC hemorrhaging
b. ↑ mortality in chicks < 15 days old
c. Transmission can be horizontal & vertical
d. Budgies are the primary reservoir for the virus
e. None of the above
e. None of the above
Which of the following is a significant finding w/ Pacheco’s Dz?
a. No immunosuppression
b. Localized necrosis in the liver
c. Clear watery diarrhea
d. Enlarged spleen
e. Generalized feather loss
a. No immunosuppression
Which of the following is TRUE in regards to French Molt in Budgies?
a. ↑ Morbidity
b. Affected birds are immunosuppressed
c. Generally shows at 3 weeks
d. Usually affects only 1 bird
e. DDx include Pacheco’s Dz & Avian Mange
d. Usually affects only 1 bird
Which of the following is not a significant finding in Psittacosis?
a. Lime Green diarrhea
b. Nephrosis
c. Splenomegaly
d. Hepatomegaly
e. Conjunctivitis
b. Nephrosis
Which of the following is true in regards to Hemochromatosis?
a. Found commonly in Macaw’s
b. Treatment is generally palliative
c. Treatment generally consists of Blood transfusions
d. Bird are generally still quite active
e. None of the above
b. Treatment is generally palliative
Which of the following dz is commonly treated w/ Ivermectin?
a. French Molt
b. PBFD
c. Mange
d. Egg Binding
e. Psittacosis
c. Mange
Which of the following is not a common bird to present w/ egg-binding?
a. Macaws
b. Love Birds
c. Budgies
d. Cockatiels
e. Finches
a. Macaws
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