Spinal cord injuries (SCI)

Question 1

How many spinal nerves are there?

Answer 1

31

Question 2

How many cervical spinal nerves?

Answer 2

8 (C1-C8)

Question 3

How many throacic spinal nerves?

Answer 3

12 (T1-T12)

Question 4

How many lumbar spinal nerves?

Answer 4

5 (L1-L5)

Question 5

How many sacral spinal nerves?

Answer 5

5 (S1-S5)

Question 6

How many coccygeal spinal nerves?

Answer 6

1 (Co1)

Question 7

what is the posterior spinal columns for?

Answer 7

sense vibraition, light touch and propioception.

Question 8

What is the Lateral corticospinal tract for?

Answer 8

Motor control

Question 9

What does the Anterior spinothalmic tract do?

Answer 9

Receives pain and temperature

Question 10

What is paraplegia?

Answer 10

A low spinal injury can still move the upper body.

Question 11

what is Quadraplegia?

Answer 11

High spinal injury, cant move below the neck.

Question 12

What is the diagnosis method for spinal cord injuries?

Answer 12

American Spinal Injury Association

Question 13

How is the american spinal injury association measured?

Answer 13

measured from levels A-E

Question 14

What does the american spinal cord associatio use to determine the grade of damage?

Answer 14

-sensory levels of both sides
- motor levels
-neurological levels
-determine if injury is complete or incomplete.

Question 15

What does the american spinal cord associatio use to determine the grade of damage>

Answer 15

-sensory levels of both sides
- motor levels
-neurological levels
-determine if injury is complete or incomplete.

Question 16

What is spinal shock?

Answer 16

A state of temporary loss of function in the spinal cord. Leads to loss of muscle control.

Question 17

what happens to astrocytes after a traumtic injury?

Answer 17

They become reactive:
-hypertrophic
-secrete chrondroitin sulfate proteoglycans (CPSGs)
-increased expression

Question 18

What is the result of astrocytes becoming reactive?

Answer 18

Formation of a glial scar.

Question 19

what happens due to a glial and myelin debris?

Answer 19

Area which axons cannot grow through.