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National Licensure Examination for Veterinarians Veterinary Orthopaedics & Lameness: practice questions

National Licensure Examination for Veterinarians (NLEV) · Nepal · Nepal Veterinary Council (NVC Act 2055 BS)

Original practice questions written to the published syllabus · not past papers
10worked here, free
34written 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

Where the 34 questions fall

How our questions for National Licensure Examination for Veterinarians spread across the units of Veterinary Orthopaedics & Lameness. Difficulty: 22 easy, 12 medium, 0 hard.

Fractures6
Fracture fixation5
Joint diseases5
Tendon and ligament injuries5
Equine lameness examination3
Diagnostic nerve blocks3
Hoof and claw disorders3
Bovine lameness examination2
Physiotherapy and rehabilitation2

10 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

Which Salter-Harris fracture is usually recognised only weeks later, when premature physeal closure produces limb shortening or angular deformity?

  1. Type I, a clean separation through the hypertrophic zone of the growth plate
  2. Type II, a physeal fracture that exits through a corner of the metaphysis
  3. Type IV, an articular fracture crossing epiphysis, physis and metaphysis
  4. Type V, a compression injury that crushes the germinal layer of the physis
Answer and working

D. Type V, a compression injury that crushes the germinal layer of the physis

The type V crush injury is often invisible on the first radiograph and is diagnosed when growth stops. Types I, II and IV show displacement or fracture lines on the initial films.

3 · 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.

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 · Diagnostic nerve blocks · easy

Which local anaesthetic is favoured by many equine clinicians for diagnostic blocks because it causes less tissue irritation?

  1. Procaine with adrenaline
  2. Tetracaine
  3. Benzocaine
  4. Mepivacaine
Answer and working

D. Mepivacaine

Mepivacaine is widely preferred for diagnostic blocks because of low tissue irritation and reliable action. Procaine with adrenaline, tetracaine and benzocaine are not standard choices for perineural diagnostic anaesthesia.

10 · 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 National Licensure Examination for VeterinariansFormat, 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 / CanadaICAR AIEEA · India

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