Topic 2.0 Spinal Cord

Question 1 of 51

1

the spinal cord occupies the entire vertebral canal

Select one of the following:

yes
no

Explanation

Question 2 of 51

1

the end of spinal cord (conus medullaris) in adults is at L2

Select one of the following:

yes
no

Explanation

Question 3 of 51

1

the sacrum contains the subarachnoid space along the whole length of the sacral canal

Select one of the following:

yes
no

Explanation

Question 4 of 51

1

the atlas has the first cervical spinal nerve on its posterior arch

Select one of the following:

yes
no

Explanation

Question 5 of 51

1

the first spinal nerve has the shortest roots and the last one the longest

Select one of the following:

yes
no

Explanation

Question 6 of 51

1

the connection between the dorsal and lateral funicle is called Lisauer zone (zone terminalis).

Select one of the following:

yes
no

Explanation

Question 7 of 51

1

sulcus intermedius dorsali is a groove between sulcus medianus dorsalis and sulcus dorsolateralis in the upper thoracic and cervical part of the spinal cord

Select one of the following:

yes
no

Explanation

Question 8 of 51

1

dorsal funiculus in the cervical segments contains fasciculus gracilis, laterally and fasciculus cuneatus, medially.

Select one of the following:

yes
no

Explanation

Question 9 of 51

1

the spinal cord ends caudally at the coccyx

Select one of the following:

yes
no

Explanation

Question 10 of 51

1

if in the process of doing a lumbar puncture a spinal needle was inserted posteriorly in the midline until it had just penetrated the posterior longitudinal ligament, would the needle have entered the subarachnoid space?

Select one of the following:

yes
no

Explanation

Question 11 of 51

1

the part of a spinal nerve that supplies the true back muscles and the skin overlying them is the

Select one of the following:

dorsal primary ramus
dorsal root
ventral primary ramus
ventral root

Explanation

Question 12 of 51

1

a football player suffers a herniated (ruptured) intervetebral disk in his neck. the disk compresses the spinal nerve exiting through the intevertebral foramen between the 5th and 6th cervical vertebrae. which spinal nerve is affected?

Select one of the following:

C4
C5
C6
C7
C8

Explanation

Question 13 of 51

1

a man has a herniated intervetebral disk between the fourth and fifth lumbar vertebrae. if this disk compresses the spinal nerve in the intervertebral foramen immediately posterior to this disk, which spinal nerve would be affected.

Select one of the following:

L3
L4
L5
S1
S2

Explanation

Question 14 of 51

1

both the dural sac and the subarachnoid space end at which vertebral level.

Select one of the following:

L4
L5
S2
S1
S4

Explanation

Question 15 of 51

1

it is decided to image the spinal cord and spinal nerve rootlets by doing a myelogram (injection of a radio-opaque dye into the subarachnoid space followed by a radiograph). In order to inject the dye without injury to the spinal cord, the injection is usually done below what vertebral level?

Select one of the following:

L1
L2
L3
L4
L5

Explanation

Question 16 of 51

1

The myelogram revealed that the dye had leaked out along the spinal nerves in the mid cervical region on the right side. For the dye to leak out, what layer must have been torn or ruptured.

Select one of the following:

arachnoid
denticulate ligament
periosteum
pia
perineurium

Explanation

Question 17 of 51

1

in the lumbar spine, the L4 nerve root sleeve exits:

Select one of the following:

above the pedicle of L4 and at the top of the intervertebral foramen
above the pedicle of L4 and at the bottom of the intervertebral foramen
below the pedicle of L4 and at the top of the intervertebral foramen
below the pedicle of L4 and at the bottom of the intervertebral foramen

Explanation

Question 18 of 51

1

which structure does NOT contain efferent autonomic nerve fibers

Select one of the following:

dorsal ramus of c4
dorsal root of t6
ventral root of t3
ventral ramus of l2

Explanation

Question 19 of 51

1

it was noted that after the injury the patient's face on the right side was flushed due to dilation of the blood vessels. the lack of vasoconstriction was due to interruption of what fibers somewhere along their course?

Select one of the following:

somatic afferent
somatic efferent
parasympathetic
sympathetic

Explanation

Question 20 of 51

1

a 60 year old male presented with a number of unusual signs and symptoms in the facial region. among others, it was found that the right side of his face was flushed (red). further testing revealed a lack of ability to sweat in the same cutaneous region. which nervous structures were most likely implicated in this set of clinical abnormalities.

Select one of the following:

cranial outflow of the ans
dorsal roots of cervical nerves
gray rami communicantes of t5
sympathetic nerve fibers
vagus nerves

Explanation

Question 21 of 51

1

the conus medullaris

Select one of the following:

exhibits both a cervical and lumbar enlargement
has a modification of neural tissue extending from its termination to the coccygeal ligament.
gives origin to most of the cauda equina
is found at its lowest extent at S2
is normally anesthetized to perform a spinal tap

Explanation

Question 22 of 51

1

a neuron with a cell body in the dorsal root ganglia could convey what type of fibers?

Select one of the following:

motor to the deep back muscles
motor to the pectoralis major muscle
sensory from the skin overlying the trapezius
sympathetic preganglionics to the suprarenal medulla
visceral efferents to the stomach

Explanation

Question 23 of 51

1

which is a source of axons found in the dorsal primary ramus of the 4th thoracic spinal nerves

Select one of the following:

afferent neurons arising from the skin overlying the trapezius muscle
somatic motor neurons supplying the levator scapulae muscle
somatic motor neurons supplying the rhomboid muscles
somatic motor neurons supplying the trapezius muscle

Explanation

Question 24 of 51

1

the denticulate ligament

Select one of the following:

is a modification of pia mater
is found between all dorsal and ventral roots
attaches to the dural sac continuously
has its terminal attachment at S2
holds the radicular arteries in place

Explanation

Question 25 of 51

1

in order to expose the spinal cord from the posterior side, it is necessary to remove the:

Select one of the following:

laminae, pedicles and ligamenta flava
laminae, spinous processes and ligamenta flava
pedicles, spinous processes and posterior longitudinal ligament
transverse processes, pedicles and ligamenta flava

Explanation

Question 26 of 51

1

cells that convey information to the CNS are:

Select one or more of the following:

afferent sensory neurons
pseudounipolar cells
first neuron is the sensory pathway
located in the lateral horn of spinal cord
with peripheral processes ending on somatic or splanchnic receptor

Explanation

Question 27 of 51

1

dorsal roots of a spinal nerve

Select one or more of the following:

are formed by the central processes of sensory neurons in the spinal ganglion
enter the ventrolateral sulcus of the spinal cord
convey somatosensory (proprioseptive and visceroseptive) information.
are covered with pia mater
take part in the formation of the spinal nerve.

Explanation

Question 28 of 51

1

the ventral roots of a spinal nerve

Select one or more of the following:

convey motor information to the skeletal muscles
exit through the ventrolateral sulcus of the spinal cord
are ensheated with dura mater spinalis
originate from interneurons in the ventral horn
contain autonomic fibers

Explanation

Question 29 of 51

1

the boundary between spinal cord and medulla oblongata

Select one or more of the following:

foramen magnum
decussatio pyramidum
exit of the first pair of spinal nerves
exit of the last pair of cranial nerves
cervical enlargement

Explanation

Question 30 of 51

1

a spinal segment is defined as that region of the spinal cord that

Select one or more of the following:

corresponds to a collection of nerves passing up or down within the white matter
corresponds to the region of the vertebral column (i.e cervical, thoracic, lumbar, and sacral) to which spinal nerves are sent.
sends rootlets to a particular spinal nerve
underlies the neural arch of a particular vertebra in the adult
none of the above

Explanation

Question 31 of 51

1

the spinal cord in the adult

Select one or more of the following:

usually ends about the level of the lower border of the first lumbar vertebra
has its largest cross sectional area at the level of the lower cervical vertebrae
has an anterior median fissure and a posterior median septum
gives origin to the preganglionic fibres of all the parasympathetic nerves
receives its blood supply entirely from the vertebral arteries

Explanation

Question 32 of 51

1

the white matter of the spinal cord

Select one or more of the following:

contains myelin fibers, non-myelin fibers, and blood vessels
has three columns
has white commissure posteriorly to the gray commissure
has root system and conductive system
is covered with arachnoidea

Explanation

Question 33 of 51

1

the white matter of the spinal cord

Select one or more of the following:

is located around the gray matter
contains two main fascicles along the whole length of the dorsal column
contains fasciculi proprii (own bundles)
ventral funiculus contains fasciculus interfasciculatus (bundle of Schultze)
ventral funiculus is between ventral median fissure and ventral roots

Explanation

Question 34 of 51

1

grossly the spinal cord presents two swellings which are

Select one or more of the following:

cervical and thoracic
cervical and lumbar
thoracic and lumbar
thoracic and sacral
lumbar and sacral

Explanation

Question 35 of 51

1

all spinal nerves

Select one or more of the following:

are formed by the union of a ventral and dorsal nerve root
have a ganglion containing synapses on their dorsal root
are named and numbered according to the vertebra below which they emerge
receive a grey ramus communicans from the sympathetic nerve trunk
give off a white ramus communicans to the sympathetic nerve trunk

Explanation

Question 36 of 51

1

the cell bodies of the nerve fibres making up the fasciculus gracilis are found in

Select one or more of the following:

posterior root ganglia
posterior grey horn
nucleus gracilis
lateral grey horn
anterior grey horn

Explanation

Question 37 of 51

1

in the spinal cord

Select one or more of the following:

there is more white matter in a cross section of the cervical region than the lumbar region
the anterior horns of grey matter are larger in the lumbar region than in the thoracic region
the fibres associated with the sensations of pain and temperature form a tract in the anterior columns of white matter
descending fibres from the motor areas of the brain are found in the lateral and anterior columns of white matter
there are no descending fibres in the posterior columns

Explanation

Question 38 of 51

1

Fill the blank space to complete the text.

a spinal segment is defined by

Explanation

Question 39 of 51

1

Fill the blank space to complete the text.

the trunk of a spinal nerve is formed in the

Explanation

Question 40 of 51

1

Fill the blank spaces to complete the text.

the spinal cord white matter is organised around the grey matter in three columns called: , ,

Explanation

Question 41 of 51

1

Fill the blank spaces to complete the text.

the spinal cord has the following number of segments:
cervical-
thoracic-
lumbar-
sacral-
coccygeal-

Explanation

Question 42 of 51

1

Fill the blank spaces to complete the text.

the border between spinal cord and medulla oblongata is defined by the following structures: , ,

Explanation

Question 43 of 51

1

Fill the blank space to complete the text.

in adults the spinal cord ends caudally at the level of vertebra

Explanation

Question 44 of 51

1

Fill the blank spaces to complete the text.

list three elements et the caudal end of the spinal cord: , ,

Explanation

Question 45 of 51

1

Fill the blank space to complete the text.

in spinal cord anesthesia through the sacral hiatus the anesthetic is introduced into the

Explanation

Question 46 of 51

1

Fill the blank space to complete the text.

pain and temperature sensation is conveyed via

Explanation

Question 47 of 51

1

Fill the blank spaces to complete the text.

spinal cord enlargements are found in the and regions

Explanation

Question 48 of 51

1

Fill the blank spaces to complete the text.

intervertebral foramen:
spinal ganglion:
brachial plexus:
spinal cord:

Explanation

Question 49 of 51

1

Fill the blank spaces to complete the text.

ventral median fissure:
epidural space:
cerebrospinal fluid:
terminal cistern:

Explanation

Question 50 of 51

1

	Created by Y Y almost 6 years ago

Anatomy Quiz on Topic 2.0 Spinal Cord, created by Y Y on 26/01/2019.

Topic 2.0 Spinal Cord

Question 1 of 51

the spinal cord occupies the entire vertebral canal

Select one of the following:

Explanation

Question 2 of 51

the end of spinal cord (conus medullaris) in adults is at L2

Select one of the following:

Explanation

Question 3 of 51

the sacrum contains the subarachnoid space along the whole length of the sacral canal

Select one of the following:

Explanation

Question 4 of 51

the atlas has the first cervical spinal nerve on its posterior arch

Select one of the following:

Explanation

Question 5 of 51

the first spinal nerve has the shortest roots and the last one the longest

Select one of the following:

Explanation

Question 6 of 51

the connection between the dorsal and lateral funicle is called Lisauer zone (zone terminalis).

Select one of the following:

Explanation

Question 7 of 51

sulcus intermedius dorsali is a groove between sulcus medianus dorsalis and sulcus dorsolateralis in the upper thoracic and cervical part of the spinal cord

Select one of the following:

Explanation

Question 8 of 51

dorsal funiculus in the cervical segments contains fasciculus gracilis, laterally and fasciculus cuneatus, medially.

Select one of the following:

Explanation

Question 9 of 51

the spinal cord ends caudally at the coccyx

Select one of the following:

Explanation

Question 10 of 51

if in the process of doing a lumbar puncture a spinal needle was inserted posteriorly in the midline until it had just penetrated the posterior longitudinal ligament, would the needle have entered the subarachnoid space?

Select one of the following:

Explanation

Question 11 of 51

the part of a spinal nerve that supplies the true back muscles and the skin overlying them is the

Select one of the following:

Explanation

Question 12 of 51

a football player suffers a herniated (ruptured) intervetebral disk in his neck. the disk compresses the spinal nerve exiting through the intevertebral foramen between the 5th and 6th cervical vertebrae. which spinal nerve is affected?

Select one of the following:

Explanation

Question 13 of 51

a man has a herniated intervetebral disk between the fourth and fifth lumbar vertebrae. if this disk compresses the spinal nerve in the intervertebral foramen immediately posterior to this disk, which spinal nerve would be affected.

Select one of the following:

Explanation

Question 14 of 51

both the dural sac and the subarachnoid space end at which vertebral level.

Select one of the following:

Explanation

Question 15 of 51

it is decided to image the spinal cord and spinal nerve rootlets by doing a myelogram (injection of a radio-opaque dye into the subarachnoid space followed by a radiograph). In order to inject the dye without injury to the spinal cord, the injection is usually done below what vertebral level?

Select one of the following:

Explanation

Question 16 of 51

The myelogram revealed that the dye had leaked out along the spinal nerves in the mid cervical region on the right side. For the dye to leak out, what layer must have been torn or ruptured.

Select one of the following:

Explanation

Question 17 of 51

in the lumbar spine, the L4 nerve root sleeve exits:

Select one of the following:

Explanation

Question 18 of 51

which structure does NOT contain efferent autonomic nerve fibers

Select one of the following:

Explanation

Question 19 of 51

it was noted that after the injury the patient's face on the right side was flushed due to dilation of the blood vessels. the lack of vasoconstriction was due to interruption of what fibers somewhere along their course?

Select one of the following:

Explanation

Question 20 of 51

Select one of the following: