Exam 4

Question 1

General Function of Spinal Cord & Spinal Nerves

Answer 1

The spinal cord and spinal nerves work together to transmit signals between the brain and the body, controlling movement, sensation, and reflexes

Answer 2

Conus Medullaris (inferior end of the spinal cord)

Answer 3

Filum Terminale

Answer 4

Posterior Median Sulcus

Answer 5

Anterior Median Fissure

Question 6

Four Subdivisions of the Spinal Cord and their Spinal Names
(superior to inferior)

Answer 6

1) cervical part (C1-C8)
2) thoracic part (T1-T12)
3) lumbar part (L1-L5)
4) sacral part ()

Answer 7

cervical part of spinal cord
(C1-C8)

Answer 8

thoracic part of spinal cord (T1-T12)

Answer 9

lumbar part of spinal cord (L1-L5)

Answer 10

sacral part of spinal cord (S1-S5)

Question 11

How many spinal nerves are there?

Answer 11

31 (8,12,5,5, including 1 coccygeal nerve (Co1)

Question 12

Two Enlargements of Spinal Cord

Answer 12

1) Cervical Enlargement
2) Lumbosacral Enlargement

Answer 13

Cervical Enlargement

Answer 14

Lumbosacral Enlargement

Answer 15

Rootlets (Anterior and Posterior)

Answer 16

Posterior Root

Answer 17

Posterior Root Ganglion

Answer 18

Anterior Root

Answer 19

Mixed Nerve (Sensory Neurons coming from posterior root and motor neurons coming from anterior root work together in one spinal nerve)

Answer 20

Cauda Equina (spinal nerve roots within vertebral column

Answer 21

Denticulate Ligament

Answer 22

Vertebral Column

Answer 23

Meninges