Nerve Plexuses 2

Question 1

What spinal nerves make up the cervical plexus?

a) C5–T1
b) C1–C5
c) L4–S4
d) T12–L4

Answer 1

C1–C5

Question 2

What plexus gives rise to the radial, median, and ulnar nerves?

a) Sacral
b) Cervical
c) Brachial
d) Lumbar

Answer 2

Brachial

Question 3

The lumbar plexus includes which spinal levels?

a) T12–L4
b) C5–T1
c) L4–S4
d) C1–C5

Answer 3

T12–L4

Question 4

The sciatic nerve comes from which plexus?

a) Sacral plexus
b) Lumbar plexus
c) Cervical plexus
d) Brachial plexus

Answer 4

Sacral Plexus

Question 5

Which nerve is responsible for breathing (innervates the diaphragm)?

a) Femoral nerve
b) Phrenic nerve
c) Subcostal nerve
d) Radial nerve

Answer 5

Phrenic nerve

Question 6

The brachial plexus spans from ______ to ______.

a) C1–C5
b) C5–T1
c) L4–S4
d) T12–L4

Answer 6

C5-T1

Question 7

The femoral nerve comes from which plexus?

a) Lumbar
b) Sacral
c) Cervical
d) Brachial

Answer 7

Lumbar

Question 8

What nerve is labeled at the tailbone area?

a) Subcostal nerve
b) Coccygeal nerve
c) Femoral nerve
d) Phrenic nerve

Answer 8

Coccygeal Nerve

Question 9

The atlas is also known as:

a) Cervical vertebra 5
b) Thoracic vertebra 1
c) Cervical vertebra 1
d) Sacral vertebra 1

Answer 9

Cervical vertebra 1

Question 10

The cauda equina is located:

a) At the top of the cervical spine
b) In the thoracic region
c) In the lower end of the spinal cord
d) In the brainstem

Answer 10

Lower end of the spinal cord