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Questions and Answers
Where does the spinal cord terminate in adults?
Where does the spinal cord terminate in adults?
- At the coccygeal region
- At the upper border of L3
- At the lower border of L3
- Between L1 – L2 (correct)
Which part of the CNS is the spinal cord considered to be?
Which part of the CNS is the spinal cord considered to be?
- A spherical, compact part
- An elongated, approximately cylindrical part (correct)
- A flattened, irregularly shaped part
- An enlarged, irregularly shaped part
How many segments are there in the lumbar region of the spinal cord?
How many segments are there in the lumbar region of the spinal cord?
- 12
- 8
- 3
- 5 (correct)
Which region of the spinal cord is associated with the emergence of a pair of nerves?
Which region of the spinal cord is associated with the emergence of a pair of nerves?
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What type of information do the processes of sensory neurons in the posterior root carry?
What type of information do the processes of sensory neurons in the posterior root carry?
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Study Notes
Spinal Cord
- The spinal cord terminates at the level of the L1 or L2 vertebra in adults.
Central Nervous System
- The spinal cord is considered part of the Central Nervous System (CNS).
Lumbar Region
- The lumbar region of the spinal cord consists of five segments (L1-L5).
Spinal Nerve Emergence
- The thoracic region of the spinal cord is associated with the emergence of a pair of nerves.
Sensory Neurons
- The processes of sensory neurons in the posterior root carry afferent information, which includes sensory information from the periphery.
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