Spinal nerves (General Characteristics)

Question 1

C1-C4

Answer 1

Cervical Plexus Innervates Anterior and Lateral Neck

Question 2

C5-T1

Answer 2

Brachial Plexus All motor and sensory to entire U.E. as well as motor supply to all muscles that move the U.E. (except the erector spinae on the posterior body wall)

Question 3

T2-T12

Answer 3

Ventral Rami, Intercostal Nerves, T7-T12 become Thoracoabdominal Nerves after exiting between the ribs

Question 4

L1-CX1

Answer 4

Lumosacral Plexus Takes care of all L.E. and Pelvis (both motor and sensory)

Question 5

What is the Name of the End of the Spinal Cord and where is it located?

Answer 5

Conus Medullaris at lower border of L1

Question 6

What is the Name of the Group of the Spinal Nerves that Extend past the terminal end of the spinal cord?

Answer 6

Cauda Equina

Question 7

Dermatome

Answer 7

Area of skin supplied by a single spinal nerve

Question 8

Pairs of Spinal Nerves vs. Developmental Vertebrae

Answer 8

1. 8 Cervical vs. 7 Cervical 2. 12 Thoracic vs. 12 Thoracic 3. 5 Lumbar vs. 5 Lumbar 4. 5 Sacral vs. 5 Sacral 5. 1 Coccygeal vs. 4 Coccygeal 6. 31 pairs vs. 33 pairs