The spinal cord and cranial nerves

Question 1

What matter is deep on the spinal cord

Answer 1

Gray

Question 2

Dorsal

Answer 2

Posterior, sensory

Question 3

Ventral

Answer 3

Anterior, motor

Question 4

Spinal nerve steps if injury

Answer 4

1. Receptor
2. Sensory neuron
3. Integration center
4. Motor neuron
5. Effector

Question 5

above the dura mater and contains fat

Answer 5

Epidural space

Question 6

between dura mater and arachnoid mater

Answer 6

Subdural space

Question 7

between the pia mater and the arachnoid mater

Answer 7

Subarachnoid space

Question 8

The spinal cord begins at the ______ of the skull and ends between the L1 and L2 vertebra

Answer 8

foramen magnum

Question 9

End of the lumbar region

Answer 9

Conus medullaris

Question 10

End of tail bone

Answer 10

Cauda equina

Question 11

continues through the vertebral cavity and anchors to the coccyx

Answer 11

Filum terminale

Question 12

Cervical enlargements control

Answer 12

Nerves of the arms

Question 13

Lumbar enlargements control

Answer 13

Nerves of the legs

Question 14

along the dorsal surface of the spinal canal

Answer 14

Posterior (dorsal) median sulcus

Question 15

is deeper than the other

Answer 15

Anterior (ventral) median fissure

Question 16

joins the “wings” of gray mater

Answer 16

Gray commissure

Question 17

runs through the middle and is filled with CSF

Answer 17

Central canal

Question 18

The _____ “wings” on the posterior side are
thinner and extend to the outer surface

Answer 18

Dorsal horn

Question 19

The ____ “wings” of the anterior side are broader

Answer 19

Ventral horn

Question 20

How many cervical spinal nerves

Answer 20

Eight

Question 21

How many thoracic spinal nerves

Answer 21

12

Question 22

How many lumbar spinal nerves

Answer 22

5

Question 23

How many sacral spinal nerves

Answer 23

5