SPINAL CORD (TRUE&FALSE) Flashcards
(16 cards)
The spinal cord extends from the medulla oblongata to the lower border of the L5 vertebra.
(False)
It extends from the foramen magnum to approximately the L1 - L2 vertebral level.
-The dura mater is the innermost layer of the meninges covering the spinal cord.
(False)
The dura mater is the outermost layer; the innermost is the pia mater.
Cerebrospinal fluid is found in the epidural space.
(False)
It is found in the subarachnoid space.
The gray matter of the spinal cord is mainly composed of myelinated axons
(False)
It is composed of cell bodies of neurons, dendrites, and unmyelinated axons.
The anterior horn of the spinal cord gray matter contains sensory neuron cell bodies.
(false)
It contains motor neuron cell bodies.
Ascending tracts in the spinal cord carry motor commands from the brain to the spinal cord
(False)
They carry sensory information from the body to the brain.
The spinothalamic tract transmits fine touch and proprioception
. (False)
It transmits pain, temperature, and crude touch.
The dorsal column - medial lemniscus pathway is responsible for transmitting pain and temperature.
(False)
Answer: It transmits fine touch, vibration, and proprioception.
Descending tracts in the spinal cord carry sensory information to the brain
(false)
They carry motor commands from the brain to the spinal cord.
The corticospinal tract controls involuntary muscle movement.
(false)
It controls voluntary movement.