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1. Which is NOT a general function of the spinal cord? A) Structural link between brain and body B) Sensory input and motor output C) Integration center for spinal reflexes D) Conscious thought processing
Conscious thought processing
2. The spinal cord is continuous with the: A) Pons B) Cerebellum C) Medulla oblongata D) Thalamus
Medulla oblongata
3. The spinal cord typically ends at which vertebral level? A) C7 B) T12 C) L1 D) L5
L1
4. The tapered end of the spinal cord is called the: A) Filum terminale B) Conus medullaris C) Cauda equina D) Dural cone
Conus medullaris
5. Which spinal cord enlargement contains neurons that innervate the upper limbs? A) Lumbar enlargement B) Cervical enlargement C) Sacral enlargement D) Coccygeal bulge
Cervical enlargement
6. How many pairs of spinal nerves are found in the human body? A) 24 B) 28 C) 31 D) 33
31
7. The posterior (dorsal) root contains: A) Motor neurons B) Sensory neurons C) Mixed neurons D) Autonomic neurons only
Sensory neurons
8. The posterior root ganglion contains the cell bodies of: A) Multipolar neurons B) Bipolar neurons C) Unipolar sensory neurons D) Interneurons
Unipolar sensory neurons
9. The cauda equina consists of: A) Descending motor tracts B) Cranial nerves C) Nerve roots inferior to the spinal cord D) Only sacral nerves
Nerve roots inferior to the spinal cord
10. Epidural anesthesia is administered into which space? A) Subarachnoid space B) Subdural space C) Epidural space D) Pia mater
Epidural space
11. Which meninx directly adheres to the spinal cord surface? A) Dura mater B) Arachnoid mater C) Pia mater D) Subdural membrane
Pia mater
12. The denticulate ligaments function to: A) Produce CSF B) Anchor/stabilize the spinal cord C) Store calcium D) Form nerve plexuses
Anchor/stabilize the spinal cord
13. White matter regions of the spinal cord are divided into: A) Roots B) Horns C) Funiculi D) Plexuses
Funiculi
14. Sensory tracts are also known as: A) Descending tracts B) Ascending tracts C) Direct pathways D) Lateral pathways
Ascending tracts
15. A pathway that crosses from one side of the CNS to the other is said to: A) Repolarize B) Decussate C) Segment D) Reflex
Decussate
16. The posterior ramus of a spinal nerve innervates: A) The anterior trunk and limbs B) Visceral organs only C) Deep back muscles and skin of the back D) The diaphragm
Deep back muscles and skin of the back
