Chapter 13 Wiley

1 Only

During childbirth, anesthesia is administered into the epidural space of the spinal column between which of the following vertebrae? 1. L4 and L5 2. T3 and T4 3. S4 and S5 4. C3 and C4 1 only 2 only 3 only 4 only Both 1 and 4

Posterior Root Ganglion

The cell bodies of the sensory neurons that carry information from the periphery to the spinal cord are located in the posterior root ganglion. anterior white commissure. posterior gray horn. lateral gray horn. central canal.

Cervical Plexus

The nerve labeled A in the diagram arises from which plexus? sacral plexus coccygeal plexus brachial plexus cervical plexus lumbar plexus

Brachial Plexus

The nerve labeled B in the diagram arises from which plexus? cervical plexus lumbar plexus sacral plexus coccygeal plexus brachial plexus

Cervical Nerves

The structure labeled A in the diagram belongs to which group of spinal nerves? thoracic nerves lumbar nerves sacral nerves cervical nerves coccygeal nerves

Lumbar Nerves

The structure labeled F in the diagram belongs to which group of spinal nerves? thoracic nerves sacral nerves lumbar nerves coccygeal nerves cervical nerves

C

Where is the anterior (ventral) root of a spinal nerve?

H

Where is the anterior gray horn?

I

Where is the anterior white column?

D

Where is the lateral white column?

G

Where is the pia mater?

A

Where is the posterior median sulcus?

E

Where is the subarachnoid space?

F

Where is the subdural space?

I

Which layer is the dura mater?

D

Which nerve labeled in the diagram does NOT arise from any plexus?

Endoneurium, perineurium, epineurium

Which of the following lists the connective tissue coverings of the axons, fascicles, and entire nerve in the correct order? perineurium, epineurium, endoneurium epineurium, endoneurium, perineurium endoneurium, epineurium, perineurium endoneurium, perineurium, epineurium

Intercostal Nerve

Which of the following nerves is labeled D in the diagram? femoral nerve intercostal nerve ulnar nerve phrenic nerve tibial nerve

Cervical Enlargement

Which of the following structures is labeled B in the diagram? Lumbar enlargement Conus medullaris Obturator nerve Cervical enlargement Cauda equina

Lumbar Enlargement

Which of the following structures is labeled D in the diagram? Cervical enlargement Lumbar enlargement Obturator nerve Conus medullaris Cauda equina

B

Which of the labeled structures carries exclusively sensory information towards the spinal cord?

A

Which of the labeled structures contains cerebral spinal fluid?