NAVLE Equine Lameness and Diagnostics Questions and Answers

Question 1

A 10-year-old Warmblood used for dressage presents with a 2/5 left forelimb lameness that resolves by over 90% following a palmar digital nerve block.
Which of the following is the MOST likely source of the horse's pain?

Accepted Answer

Navicular bursa

Answer

Metacarpophalangeal (fetlock) joint

Answer

Proximal suspensory ligament

Answer

Distal check ligament

Question 2

Which of the following imaging modalities is considered the gold standard for achieving a definitive diagnosis of a deep digital flexor tendon lesion within the equine hoof capsule?

Accepted Answer

Magnetic Resonance Imaging (MRI)

Answer

Radiography

Answer

Nuclear Scintigraphy

Answer

Diagnostic Ultrasonography

Question 3

A veterinarian observes a horse trotting on a hard, flat surface and notes a consistent head nod. The lameness is not apparent at a walk but is easily seen at the trot. According to the American Association of Equine Practitioners (AAEP) Lameness Scale, what is the most appropriate grade?

Accepted Answer

Grade 3

Answer

Grade 2

Answer

Grade 1

Answer

Grade 4

Question 4

A 12-year-old Quarter Horse presents with a chronic, progressive, bilateral forelimb lameness and a short, choppy gait. The owner notes the horse frequently points one foot forward while at rest. Hoof testers elicit pain over the central third of the frog. Which of the following is the most likely diagnosis?

Accepted Answer

Navicular syndrome

Answer

High ringbone (pastern arthritis)

Answer

Acute laminitis

Answer

Suspensory ligament branch desmitis

Question 5

A positive response to a distal limb flexion test in a horse is most useful for localizing pain to which general anatomical area?

Accepted Answer

Metacarpophalangeal joint and structures distal to it

Answer

Carpus and proximal metacarpal region

Answer

Stifle and tarsus

Answer

Elbow and shoulder

Question 6

To perform a complete low four-point nerve block on a forelimb, a veterinarian must anesthetize the medial and lateral palmar nerves as well as which other two nerves?

Accepted Answer

Medial and lateral palmar metacarpal nerves

Answer

Medial and lateral cutaneous antebrachial nerves

Answer

Deep and superficial branches of the radial nerve

Answer

Axillary and musculocutaneous nerves

A 10-year-old Warmblood used for dressage presents with a 2/5 left forelimb lameness that resolves by over 90% following a palmar digital nerve block.Which of the following is the MOST likely source of the horse's pain?

A 10-year-old Warmblood used for dressage presents with a 2/5 left forelimb lameness that resolves by over 90% following a palmar digital nerve block.
Which of the following is the MOST likely source of the horse's pain?