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ICAR AIEEA Veterinary Orthopaedics & Lameness: practice questions

ICAR AIEEA (PG): Master's entrance, Veterinary Science and Animal Sciences · India · NTA for ICAR

Original practice questions written to the published syllabus · not past papers
9worked here, free
26written to this exam in this subject
9syllabus units

What this subject covers

Fractures and their fixation, joint, tendon and ligament disease, lameness examination in horses and cattle, hoof and claw disorders, diagnostic nerve blocks and rehabilitation.

In the exams: ICAR AIEEA-PG 13 (Surgery & Radiology); NAVLE equine 14.7% and bovine 13.3% species weighting

What ICAR AIEEA asks from it

ICAR AIEEA (PG) — Veterinary Science, Surgery & Radiology

Classification and named facts: Salter-Harris types, open fracture grades, stages of bone healing, implants and what forces they resist, cerclage and tension-band rules, bone spavin and ringbone, upward fixation of the patella and medial patellar desmotomy, sole ulcer site, interdigital phlegmon organism, Bier block in cattle.

Where the 26 questions fall

How our questions for ICAR AIEEA spread across the units of Veterinary Orthopaedics & Lameness. Difficulty: 14 easy, 12 medium, 0 hard.

Tendon and ligament injuries5
Fractures4
Fracture fixation4
Joint diseases4
Equine lameness examination2
Diagnostic nerve blocks2
Bovine lameness examination2
Physiotherapy and rehabilitation2
Hoof and claw disorders1

9 practice questions, worked

Choose an answer, then open the working. Each explanation says why the right answer is right and why the others are not.

1 · Fractures · easy

In the Salter-Harris classification, a fracture that runs through the physis and exits through a small corner of the metaphysis is which type?

  1. Type I
  2. Type II
  3. Type III
  4. Type V
Answer and working

B. Type II

Type II crosses the physis and leaves through a metaphyseal corner and is the commonest type. Type I stays entirely within the physis, type III enters the epiphysis and joint, and type V is a crush of the physis.

2 · Fractures · easy

The correct sequence of indirect (secondary) bone healing is:

  1. Soft callus, inflammation, remodelling, hard callus
  2. Inflammation, remodelling, hard callus, soft callus
  3. Inflammation, soft callus, hard callus, remodelling
  4. Hard callus, soft callus, inflammation, remodelling
Answer and working

C. Inflammation, soft callus, hard callus, remodelling

Indirect healing begins with the haematoma and inflammation, then fibrocartilaginous soft callus, then woven-bone hard callus, then remodelling to lamellar bone. The other sequences put stages out of order.

3 · Fractures · medium

A hypertrophic (elephant's foot) non-union with abundant callus but a persistent fracture gap most often needs:

  1. A bone graft alone, because the blood supply has been lost entirely
  2. Removal of all implants and prolonged confinement in a cage for months
  3. Amputation, because hypertrophic non-unions cannot heal once established
  4. Improved mechanical stability, because the biology is already good
Answer and working

D. Improved mechanical stability, because the biology is already good

Hypertrophic non-unions are viable; they fail because of movement, so stabilising them usually achieves union. Grafting alone does not fix instability, removing implants worsens it, and amputation is unnecessary.

4 · Fracture fixation · easy

A common rule for plate fixation of long-bone fractures in dogs is a minimum of how many cortices engaged by screws in each main fragment?

  1. Two cortices (one bicortical screw)
  2. Four cortices (four monocortical screws)
  3. Six cortices (three bicortical screws)
  4. Twelve cortices (six bicortical screws)
Answer and working

C. Six cortices (three bicortical screws)

Three bicortical screws, six cortices, in each main fragment is the usual minimum. Fewer gives inadequate purchase; twelve is more than the minimum and lengthens the plate unnecessarily.

5 · Joint diseases · medium

A 7-month-old toy-breed dog has progressive hindlimb lameness, and radiographs show collapse and lucency of one femoral head. What is the diagnosis and usual treatment?

  1. Hip dysplasia; juvenile pubic symphysiodesis at once
  2. Septic arthritis; joint lavage and systemic antimicrobials
  3. Craniodorsal luxation; closed reduction and an Ehmer sling
  4. Legg-Calvé-Perthes disease; femoral head and neck excision
Answer and working

D. Legg-Calvé-Perthes disease; femoral head and neck excision

Avascular necrosis of the femoral head in young small-breed dogs is Legg-Calvé-Perthes disease, usually treated by femoral head and neck excision. The other diagnoses do not cause collapse of the femoral head in this signalment.

6 · Tendon and ligament injuries · easy

In the grading of medial patellar luxation, a patella that is permanently luxated but can be replaced manually, after which it luxates again, is grade:

  1. I
  2. II
  3. IV
  4. III
Answer and working

D. III

Grade III is permanently luxated but reducible. Grade I can be luxated but returns on release, grade II luxates with flexion and stays out until replaced, and grade IV is permanently luxated and cannot be reduced.

7 · Tendon and ligament injuries · easy

Which suture patterns are commonly used for tenorrhaphy of a severed tendon in a dog?

  1. Locking-loop and three-loop pulley
  2. Lembert and Cushing
  3. Simple continuous and Ford interlocking
  4. Purse-string and Utrecht
Answer and working

A. Locking-loop and three-loop pulley

Locking-loop (modified Kessler) and three-loop pulley patterns grip tendon fibres and resist gap formation. Lembert and Cushing are inverting hollow-viscus patterns, simple continuous and Ford interlocking are skin or general closures, and purse-string and Utrecht are for anus and uterus.

8 · Tendon and ligament injuries · medium

Proximal suspensory desmitis is particularly recognised as a cause of hindlimb lameness in which group of horses?

  1. Dressage horses
  2. Draught foals under one month
  3. Racing Thoroughbred yearlings at grass
  4. Ponies kept only for driving
Answer and working

A. Dressage horses

Hindlimb proximal suspensory desmitis is common in dressage horses, which load the hindlimbs heavily in collected work. The other groups are not characteristically affected.

9 · Physiotherapy and rehabilitation · easy

Which measurement is used to quantify joint range of motion during rehabilitation?

  1. Arthrocentesis
  2. Goniometry
  3. Scintigraphy
  4. Pulse oximetry
Answer and working

B. Goniometry

A goniometer measures joint angles in flexion and extension. Arthrocentesis samples synovial fluid, scintigraphy images bone turnover and pulse oximetry measures oxygen saturation.

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Read the subject

Veterinary Orthopaedics & LamenessThe full study manual, free ICAR AIEEAFormat, sections and how it has changed

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Veterinary Orthopaedics & Lameness for other exams

ENADE · BrazilNational Veterinary Examination · JapanRCVS Statutory Membership Examination · UKAustralasian Veterinary Examination, formerly the National Veterinary Examination · Australia / New ZealandBCSE · USA / CanadaNAVLE · USA / CanadaNational Licensure Examination for Veterinarians · Nepal

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