1 | P a g e | © copyright 2024/2025 | Grade A+
Study Facts AVCA Questions and Correct
Answers | Latest Update
Equine Spinal Cord Length
✓ ~~>Foramen magnum to L3
Canine spinal Cord Length
✓ ~~>Foramen magnum to L5/L6
Feline spinal cord length
✓ ~~>Foramen magnum to sacrum
Equine Spinal Nerve Formula
✓ ~~>8 cervical, 18 thoracic, 6 lumbar, 5 sacral, 5 coccygeal (42 pairs
total)
Canine Spinal Nerve Formula
✓ ~~>8 cervical, 13 thoracic, 7 lumbar, 3 sacral, 5 coccygeal (36 pairs)
Motor fibers function
Master01 | September, 2024/2025 | Latest update
, 2 | P a g e | © copyright 2024/2025 | Grade A+
✓ ~~>regulate muscular contraction for movement
Sensory Fibers function
✓ ~~>Vibration, Pain, Temp, Proprioceptive
Autonomic fibers function
✓ ~~>Fibers from sympathetic or parasympathetic nervous system
Spinal nerve passes through IVF and divides into how many branches
✓ ~~>3 major
Dorsal Branch function
✓ ~~>Motor fibers to dorsal musculature, maintains rigid horizontal
support and cutaneous fibers to dermatomes
Ventral Branch function
✓ ~~>Motor fibers to ventral and lateral muscles of trunk and muscles of
extremities
Visceral Branch function
Master01 | September, 2024/2025 | Latest update
, 3 | P a g e | © copyright 2024/2025 | Grade A+
✓ ~~>Autonomic nervous system supply to thoracic and abdominal
organs, motor and sensory fibers
Ventral Root
✓ ~~>Joins lumbosacral plexus and combines with sympathetic rami from
lumbar region
What type of nerve fibers are pelvic or splanchnic nerves
✓ ~~>Parasympathetic
Where do the pelvic splanchnic nerves exit in canine?
✓ ~~>S1 & S2
Where do the pelvic splanchnic nerves exit in the equine?
✓ ~~>S3, S4, S5
pelvic splanchnic nerves form the pelvic plexus which controls?
✓ ~~>Peristalsis and tone in the large intestine, contraction of depressor
muscle and relaxation of trigone of the bladder, erection of the penis
and relaxation of anal sphincter
Master01 | September, 2024/2025 | Latest update
, 4 | P a g e | © copyright 2024/2025 | Grade A+
Medial branch of the dorsal root controls?
✓ ~~>Sacral and coccygeal muscles
Lateral branch of the dorsal root responsible for?
✓ ~~>Cutaneous nerves
lumbosacral plexus in the canine spinal roots are?
✓ ~~>L6-S3
Lumbosacral plexus in the equine spinal roots are?
✓ ~~>L5-S2
What are the branches of the Lumbosacral plexus?
✓ ~~>Sciatic, Cranial Gluteal, Caudal Gluteal nerves, caudal cutaneous
femoral nerve, pudendal nerve
What are the branches of the sciatic nerve?
✓ ~~>Fibular & Tibial nerve
What muscles does the sciatic nerve innervate from lumbosacral plexus?
Master01 | September, 2024/2025 | Latest update
Study Facts AVCA Questions and Correct
Answers | Latest Update
Equine Spinal Cord Length
✓ ~~>Foramen magnum to L3
Canine spinal Cord Length
✓ ~~>Foramen magnum to L5/L6
Feline spinal cord length
✓ ~~>Foramen magnum to sacrum
Equine Spinal Nerve Formula
✓ ~~>8 cervical, 18 thoracic, 6 lumbar, 5 sacral, 5 coccygeal (42 pairs
total)
Canine Spinal Nerve Formula
✓ ~~>8 cervical, 13 thoracic, 7 lumbar, 3 sacral, 5 coccygeal (36 pairs)
Motor fibers function
Master01 | September, 2024/2025 | Latest update
, 2 | P a g e | © copyright 2024/2025 | Grade A+
✓ ~~>regulate muscular contraction for movement
Sensory Fibers function
✓ ~~>Vibration, Pain, Temp, Proprioceptive
Autonomic fibers function
✓ ~~>Fibers from sympathetic or parasympathetic nervous system
Spinal nerve passes through IVF and divides into how many branches
✓ ~~>3 major
Dorsal Branch function
✓ ~~>Motor fibers to dorsal musculature, maintains rigid horizontal
support and cutaneous fibers to dermatomes
Ventral Branch function
✓ ~~>Motor fibers to ventral and lateral muscles of trunk and muscles of
extremities
Visceral Branch function
Master01 | September, 2024/2025 | Latest update
, 3 | P a g e | © copyright 2024/2025 | Grade A+
✓ ~~>Autonomic nervous system supply to thoracic and abdominal
organs, motor and sensory fibers
Ventral Root
✓ ~~>Joins lumbosacral plexus and combines with sympathetic rami from
lumbar region
What type of nerve fibers are pelvic or splanchnic nerves
✓ ~~>Parasympathetic
Where do the pelvic splanchnic nerves exit in canine?
✓ ~~>S1 & S2
Where do the pelvic splanchnic nerves exit in the equine?
✓ ~~>S3, S4, S5
pelvic splanchnic nerves form the pelvic plexus which controls?
✓ ~~>Peristalsis and tone in the large intestine, contraction of depressor
muscle and relaxation of trigone of the bladder, erection of the penis
and relaxation of anal sphincter
Master01 | September, 2024/2025 | Latest update
, 4 | P a g e | © copyright 2024/2025 | Grade A+
Medial branch of the dorsal root controls?
✓ ~~>Sacral and coccygeal muscles
Lateral branch of the dorsal root responsible for?
✓ ~~>Cutaneous nerves
lumbosacral plexus in the canine spinal roots are?
✓ ~~>L6-S3
Lumbosacral plexus in the equine spinal roots are?
✓ ~~>L5-S2
What are the branches of the Lumbosacral plexus?
✓ ~~>Sciatic, Cranial Gluteal, Caudal Gluteal nerves, caudal cutaneous
femoral nerve, pudendal nerve
What are the branches of the sciatic nerve?
✓ ~~>Fibular & Tibial nerve
What muscles does the sciatic nerve innervate from lumbosacral plexus?
Master01 | September, 2024/2025 | Latest update
