Chamberlain BIOS 252 Exam 2 Review | Questions with
100% Verified Answers | Latest Update 2026/2027
Question: Spinal Cord (Main Functions)
Answer: Carries information to/from brain and processes reflexes.
Question: Spinal Cord Protective Layers
Answer: Bone (vertebrae), cerebrospinal fluid (CSF), and meninges.
Question: Dura Mater
Answer: The outermost and thickest layer of the meninges.
Question: Arachnoid Mater
Answer: The middle meningeal layer attached deep to the dura mater.
Question: Sub-arachnoid Space
Answer: Interval deep to arachnoid mater filled with CSF.
Question: Lumbar Puncture Site
Answer: Typically performed in the sub-arachnoid space.
Question: Pia Mater
Answer: The deepest meningeal layer laying directly on brain/cord surface.
Question: Spinal Cord Extent
Answer: Runs from the foramen magnum to around L1/L2.
Question: Spinal Cord Average Length
Answer: Approximately 16.5 to 18 inches.
Question: Cervical Enlargement
Answer: Cord thickening due to nerves serving the upper extremities.
Question: Lumbar Enlargement
Answer: Cord thickening due to nerves serving the lower extremities.
Question: Spinal Cord Regions
Answer: Cervical, thoracic, lumbar, sacral, and coccygeal.
, Question: Anterior Median Fissure
Answer: The deep groove on the front side of the spinal cord.
Question: Posterior Median Sulcus
Answer: The shallow groove on the back side of the spinal cord.
Question: Conus Medullaris
Answer: The tapered, cone-shaped terminal end of the spinal cord.
Question: Cauda Equina
Answer: A collection of nerve roots at the inferior end of the vertebral canal.
Question: Filum Terminale
Answer: Fibrous extension of pia mater anchoring cord to coccyx.
Question: Grey Matter (Spinal Cord)
Answer: Central butterfly-shaped area containing nerve cell bodies.
Question: White Matter (Spinal Cord)
Answer: Peripheral region containing myelinated axons gathered into tracts.
Question: Anterior Horn
Answer: Grey matter region containing motor cell bodies.
Question: Posterior/Dorsal Horn
Answer: Grey matter region receiving sensory information.
Question: Dorsal Root Ganglia
Answer: Structures containing the cell bodies of sensory nerves.
Question: Lateral Horn
Answer: Grey matter containing cell bodies for autonomic nerves (sympathetic).
Question: Funiculus
Answer: A specialized region of white matter in the spinal cord.
Question: Ascending Tracts
Answer: Sensory pathways carrying information from the cord to the brain.
100% Verified Answers | Latest Update 2026/2027
Question: Spinal Cord (Main Functions)
Answer: Carries information to/from brain and processes reflexes.
Question: Spinal Cord Protective Layers
Answer: Bone (vertebrae), cerebrospinal fluid (CSF), and meninges.
Question: Dura Mater
Answer: The outermost and thickest layer of the meninges.
Question: Arachnoid Mater
Answer: The middle meningeal layer attached deep to the dura mater.
Question: Sub-arachnoid Space
Answer: Interval deep to arachnoid mater filled with CSF.
Question: Lumbar Puncture Site
Answer: Typically performed in the sub-arachnoid space.
Question: Pia Mater
Answer: The deepest meningeal layer laying directly on brain/cord surface.
Question: Spinal Cord Extent
Answer: Runs from the foramen magnum to around L1/L2.
Question: Spinal Cord Average Length
Answer: Approximately 16.5 to 18 inches.
Question: Cervical Enlargement
Answer: Cord thickening due to nerves serving the upper extremities.
Question: Lumbar Enlargement
Answer: Cord thickening due to nerves serving the lower extremities.
Question: Spinal Cord Regions
Answer: Cervical, thoracic, lumbar, sacral, and coccygeal.
, Question: Anterior Median Fissure
Answer: The deep groove on the front side of the spinal cord.
Question: Posterior Median Sulcus
Answer: The shallow groove on the back side of the spinal cord.
Question: Conus Medullaris
Answer: The tapered, cone-shaped terminal end of the spinal cord.
Question: Cauda Equina
Answer: A collection of nerve roots at the inferior end of the vertebral canal.
Question: Filum Terminale
Answer: Fibrous extension of pia mater anchoring cord to coccyx.
Question: Grey Matter (Spinal Cord)
Answer: Central butterfly-shaped area containing nerve cell bodies.
Question: White Matter (Spinal Cord)
Answer: Peripheral region containing myelinated axons gathered into tracts.
Question: Anterior Horn
Answer: Grey matter region containing motor cell bodies.
Question: Posterior/Dorsal Horn
Answer: Grey matter region receiving sensory information.
Question: Dorsal Root Ganglia
Answer: Structures containing the cell bodies of sensory nerves.
Question: Lateral Horn
Answer: Grey matter containing cell bodies for autonomic nerves (sympathetic).
Question: Funiculus
Answer: A specialized region of white matter in the spinal cord.
Question: Ascending Tracts
Answer: Sensory pathways carrying information from the cord to the brain.
