NBCE PART I SPINAL ANATOMY
PRACTICE SET 2026 TESTED
QUESTIONS AND CORRECT
SOLUTIONS
◉ The dural sac typically ends at:
A. L1
B. L2
C. S2
D. Coccyx. Answer: C. S2
◉ The cauda equina is composed of:
A. Spinal cord
B. Meninges
C. Lumbar and sacral nerve roots
D. Vertebral arteries. Answer: C. Lumbar and sacral nerve roots
◉ The filum terminale extends from the:
A. L5 to coccyx
B. Conus medullaris to coccyx
C. Dural sac to sacrum
D. L2 to L5. Answer: B. Conus medullaris to coccyx
,◉ The largest transverse diameter of the spinal canal occurs at:
A. C7
B. C5
C. C1
D. T12. Answer: C. C1
◉ Which tract carries fine touch, vibration, and proprioception?
A. Spinothalamic
B. Corticospinal
C. Dorsal column-medial lemniscus
D. Rubrospinal. Answer: C. Dorsal column-medial lemniscus
◉ Pain and temperature travel in the:
A. Ventral spinothalamic tract
B. Lateral spinothalamic tract
C. Dorsal column
D. Corticospinal tract. Answer: B. Lateral spinothalamic tract
◉ Crude touch travels in the:
A. Ventral spinothalamic tract
B. Lateral spinothalamic tract
C. Dorsal column
,D. Corticospinal tract. Answer: A. Ventral spinothalamic tract
◉ Upper-limb dorsal column fibers travel in the:
A. Fasciculus gracilis
B. Fasciculus cuneatus
C. Medial lemniscus
D. Corticospinal tract. Answer: B. Fasciculus cuneatus
◉ Lower-limb dorsal column fibers travel in the:
A. Fasciculus gracilis
B. Fasciculus cuneatus
C. Spinothalamic tract
D. Rubrospinal tract. Answer: A. Fasciculus gracilis
◉ Dorsal column fibers decussate in the:
A. Spinal cord
B. Thalamus
C. Medulla
D. Internal capsule. Answer: C. Medulla
◉ Spinothalamic fibers decussate in the:
A. Medulla
, B. Spinal cord
C. Thalamus
D. Cerebellum. Answer: B. Spinal cord
◉ The lateral corticospinal tract decussates in the:
A. Pons
B. Midbrain
C. Medulla
D. Spinal cord. Answer: C. Medulla
◉ The lateral corticospinal tract primarily controls:
A. Trunk muscles
B. Distal limb muscles
C. Head and neck
D. Posture. Answer: B. Distal limb muscles
◉ The ventral corticospinal tract primarily controls:
A. Trunk muscles
B. Hand muscles
C. Foot muscles
D. Facial muscles. Answer: A. Trunk muscles
PRACTICE SET 2026 TESTED
QUESTIONS AND CORRECT
SOLUTIONS
◉ The dural sac typically ends at:
A. L1
B. L2
C. S2
D. Coccyx. Answer: C. S2
◉ The cauda equina is composed of:
A. Spinal cord
B. Meninges
C. Lumbar and sacral nerve roots
D. Vertebral arteries. Answer: C. Lumbar and sacral nerve roots
◉ The filum terminale extends from the:
A. L5 to coccyx
B. Conus medullaris to coccyx
C. Dural sac to sacrum
D. L2 to L5. Answer: B. Conus medullaris to coccyx
,◉ The largest transverse diameter of the spinal canal occurs at:
A. C7
B. C5
C. C1
D. T12. Answer: C. C1
◉ Which tract carries fine touch, vibration, and proprioception?
A. Spinothalamic
B. Corticospinal
C. Dorsal column-medial lemniscus
D. Rubrospinal. Answer: C. Dorsal column-medial lemniscus
◉ Pain and temperature travel in the:
A. Ventral spinothalamic tract
B. Lateral spinothalamic tract
C. Dorsal column
D. Corticospinal tract. Answer: B. Lateral spinothalamic tract
◉ Crude touch travels in the:
A. Ventral spinothalamic tract
B. Lateral spinothalamic tract
C. Dorsal column
,D. Corticospinal tract. Answer: A. Ventral spinothalamic tract
◉ Upper-limb dorsal column fibers travel in the:
A. Fasciculus gracilis
B. Fasciculus cuneatus
C. Medial lemniscus
D. Corticospinal tract. Answer: B. Fasciculus cuneatus
◉ Lower-limb dorsal column fibers travel in the:
A. Fasciculus gracilis
B. Fasciculus cuneatus
C. Spinothalamic tract
D. Rubrospinal tract. Answer: A. Fasciculus gracilis
◉ Dorsal column fibers decussate in the:
A. Spinal cord
B. Thalamus
C. Medulla
D. Internal capsule. Answer: C. Medulla
◉ Spinothalamic fibers decussate in the:
A. Medulla
, B. Spinal cord
C. Thalamus
D. Cerebellum. Answer: B. Spinal cord
◉ The lateral corticospinal tract decussates in the:
A. Pons
B. Midbrain
C. Medulla
D. Spinal cord. Answer: C. Medulla
◉ The lateral corticospinal tract primarily controls:
A. Trunk muscles
B. Distal limb muscles
C. Head and neck
D. Posture. Answer: B. Distal limb muscles
◉ The ventral corticospinal tract primarily controls:
A. Trunk muscles
B. Hand muscles
C. Foot muscles
D. Facial muscles. Answer: A. Trunk muscles
