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WorksheetsSpinal cord
Total questions: 24
Worksheet time: 22mins
1. The spinal cord in the adult ends inferiorly at the level of:
L. 3
S. 2-3
T12
Ll
L5
The ligamentum denticulatum is a thickening of:
Epineurium
Arachnoid mater
Dura mater
Pia mater
Ligamentum flavum
Concerning the substantia gelatinosa of Rolando, all are true EXCEPT:
It is concerned with exteroceptive stimuli.
It is found in the posterior horn of the spinal cord
In the upper two thoracic segments, it is called the spinal nucleus of trigeminal nerve.
It is found downwards even below the second lumbar segment
Which of the flowing passes between the sixth and seventh cervical vertebrae:
Vertebral artery
Seventh cervical spinal nerve
Sixth cervical spinal nerve
Vertebral vein
Eighth cervical spinal nerve
The cauda equine is made up of:
Spinal nerves of S.l-3
Anterior rami of spinal nerves L.2, 3
Posterior rami of spinal nerves L. 1 to coccygeal 1
Anterior and posterior nerve roots of the spinal nerves below the first lumbar segment of the spinal cord.
Spinal nerves of L.l - 5
To perform a lumbar puncture (spinal tap) in an adult, the needle is introduced between the spinous processes of:
L. 4, 5.
L. 2,3
S. 1 & L. 2.
T. l2&L. 1.
S. 3 & L. 4.
The following statements are true EXCEPT:
Spinal cord (in adults ends at the lower border of L. 1
Spinal cord (in children) ends at S. 3
Dura mater ends at S. 2
Arachnoid mater ends at S. 2
Filum terminale ends at coccyx
A herniated disc that causes sensory changes in a specific dermatome pressing on:
Anterior primary ramus
Anterior gray horn of the spinal cord
Anterior root
Posterior primary ramus
Spinal nerve or posterior root
Concerning the subarachnoid space, all the following are true EXCEPT:
Contains cerebrospinal fluid
Traversed by the ligamentum denticulatum
Crossed by fibrous processes connecting pia mater to the arachnoid mater.
Not continues with the subarachnoid space of the posterior cranial fossa.
Ends inferiorly at the level of S. 2
When performing a lumbar puncture (spinal lap), the following structures are pierced by the needle EXCEPT:
Posterior longitudinal ligament
Supraspinous ligament
Arachnoid mater
Ligamentum flavum
Dura mater
How many pairs of spinal nerves are there?
31
30
12
7
Which of the following would you find in the dorsal horn of the spinal cord?
Alpha motor neuron
Gamma motor neuron
Substantia gelatinosa
Sympathetic cell bodies
Which of the following would be an iatrogenic cause for a spinal cord injury?
Neurosyphilis
Meningitis
Motor vehicle accident
Osteoporosis
Lumbar puncture
The spinal cord passes through the __________.
foramen ovale
foramen magnum
foramen rotundum
The conus medullaris is the tapering point at the end of the spinal cord. It is located at approximately __________.
L 1/ L 2
L 3/ L 4
L 5/ L 6
The tail end of the spinal cord is not “hanging loose.” It is actually anchored via the __________, which connects to the coccyx bone.
cauda equina
filum terminale
conus medullaris
How many plexus groups branch off the spinal cord?
3
4
5
Which of the following spinal cord regions are NOT involved with a plexus formation?
cervical
thoracic
lumbar
What is the name of the structures that hold the spinal cord in position within the vertebral foramen?
dorsal root ganglia
denticulate ligaments
anterior roots
Which of the following transmits information from the spinal cord to the extremities of the body?
ventral roots
dorsal roots
dorsal root ganglia
White matter of spinal cord is made of
Myelinated dendrite
Non myelinated dendrite
Myelinated axon
Non myelinated axon
In the spinal cord, motor neuron cell bodies are located in
Lamina I.
Lamina II.
Lamina V.
Lamina IX
A patient is admitted after a head injury and sinks rapidly into a coma. An MRI scan indicates an extradural haemorrhage because extravasated blood can be detected between the
skull bones and dura mater.
dura mater and arachnoid.
arachnoid and pia mater.
pia mater and brain surface.
Cerebrospinal fluid circulates around the brain between the
skull and dura mater.
dura mater and arachnoid mater.
arachnoid and pia maters.
pia mater and brain surface.
