Spinal cord

Question 1

Where does the spinal cord begin?

Answer 1

When the medulla oblongata exits the foramen magnum

Question 2

Where does the adult spinal cord terminate?

Answer 2

Below the lower border of L1 vertebra

Question 3

The enlargements of the spinal cord

Answer 3

Cervical, lumbar

Question 4

Inferiorly, the spinal cord tapers of into which structure?

Answer 4

Conus medullaris

Question 5

At the apex of the conus medullaris, the pia mater prolongs into which structure?

Answer 5

Filum terminale

Question 6

Where does the filum terminale attach inferiorly?

Answer 6

Coccyx

Question 7

The longitudinal fissures/furrows of the spinal cord

Answer 7

Anterior median fissure, posterior median sulcus, posterolateral sulcus, anterolateral sulcus, posteriorintermediate sulcus

Question 8

How many spinal nerves attach to the spinal cord

Answer 8

31

Question 9

By which structures do the spinal nerves attach to the spinal cord?

Answer 9

Anterior/ ventral/ motor roots

Posterior/ dorsal/sensory roots

Question 10

The ventral and dorsal roots join to form what structure?

Answer 10

Dorsal/posterior root ganglia

Question 11

The dorsal root ganglia give rise to which structures?

Answer 11

Spinal nerves

Question 12

Which spinal nerves exit above their corresponding vertebra?

Answer 12

C1 to C7

Question 13

Which spinal nerves exit below their corresponding vertebra?

Answer 13

Thoracic, lumbar, sacral and coccygeal nerves

Question 14

Which spinal nerve does not have a corresponding vertebra?

Answer 14

C8

Question 15

Gray matter: inner core or outer covering?

Answer 15

Inner core

Question 16

White matter: inner core or outer covering?

Answer 16

Outer covering

Question 17

The cervical and lumbar enlargements of the spinal cord correspond to the nerve supply of upper and lower extremities, respectively. T/F

Answer 17

T

Question 18

The sulcus and fissure that partially separates the spinal cord into left and right halves

Answer 18

Anterior median fissue and posterior median sulcus

Question 19

The less distinct sulci that marks the entrance of dorsal roots into the spinal cord

Answer 19

Posterolateral sulci

Question 20

Sulci that marks the exit of ventral roots into the spinal cord

Answer 20

Anterolateral sulci

Question 21

Sulci seen only in the cervical and upper thoracic spinal segment between posterior medial and posterolateral sulci

Answer 21

Posteriorintermediate sulcus

Question 22

Horns of the gray matter

Answer 22

Posterior, anterior and lateral gray horns

Question 23

Somatic sensory nuclei are in which horn?

Answer 23

Posterior gray horn

Question 24

Viceral sensory and visceral motor are in which horn?

Answer 24

Lateral gray horn

Question 25

Somatic motor are in which horn?

Answer 25

Anterior gray horn

Question 26

Gray matter that connects the right and left halves of the spinal cord

Answer 26

Gray commissure

Question 27

How many rexed lamina are there?

Answer 27

10

Question 28

Lamina X is what part of the gray matter?

Answer 28

That surrounding the central canal

Question 29

The anterior horn has which rexed lamina?

Answer 29

8 and 9

Question 30

The lateral horn has which rexed lamina?

Answer 30

7

Question 31

The posterior horn has which rexed lamina?

Answer 31

1 - 6

Question 32

Substantia gelatinosa is on which horn?

Answer 32

Posterior horn

Question 33

Rexed lamina surrounding central canal

Answer 33

X

Question 34

Lamina I-VI is on which horn?

Answer 34

Posterior horn

Question 35

Lamina VII is on which horn?

Answer 35

Lateral

Question 36

Lamina VIII and IX are on which horn?

Answer 36

Anterior horn

Question 37

Substantia gelatinosa is on which rexed lamina?

Answer 37

II

Question 38

When a lumbar puncture is performed, you insert the spinal needle in this space a. epidural space b. subarachnoid space c. Subpial space d. A and B

Answer 38

B

Question 39

True about the spinal cord a. there are 8 pairs of spinal nerves in the cervical cord b. the dorsal column is made up of gracilis and cuneatus column in the level of the lumbar cord C. the intermediolateral column is seen in the lumbar spinal cord d. a and b only

Answer 39

A

Question 40

Connects conus medullaris to coccyx A. Cauda equina B. Filium terminale

Answer 40

B

Question 41

What rexed lamina contains interneuron that transmits information coming from the pain and temperature afferents? ``` A. IX B. X C. II D. VIII E. VII ```

Answer 41

C

Question 42

The conus medullaris is found at this level: A. S2-S4 B. L1-L4 C. S1-S3 D. L2-L4

Answer 42

A

Question 43

How many pairs of spinal nerves are there? A. 30 B. 31 C. 32 D. 33

Answer 43

B