Crash Course!

Question 1

CSF is contained

Answer 1

between the pia and arachnoid maters in the subarachnoid space

Question 2

SC extends from the ____________ to ____________ in adults

Answer 2

SC extends from the foramen magnum to L1 in adults

Question 3

where does SC end in children

Answer 3

L3

Question 4

there are ____________ cervical nerve roots but only ____________ cervical vertebrae

Answer 4

8; 7

Question 5

what forms the cauda equina

Answer 5

lower nerve roots

Question 6

which nerves are somatosensory

Answer 6

afferent

Question 7

Sole source of blood supply to the anterior cord

Answer 7

single anterior artery

Question 8

Originate from the cerebellar arteries

Answer 8

2 posterior spinal arteries

Question 9

injury to artery of Adamkiewicz

Answer 9

anterior cord syndrome

Question 10

anterior spinal artery syndrom

Answer 10

neurologic condition characterized by motor paralysis, loss of pain & temp sensation, and occasional autonomic dysfunction

Question 11

which fibers are rarely affected by a spinal or epidural blockade

Answer 11

PNS nerve fibers are located outside of the subarachnoid space

Question 12

Neuraxial anesthesia does not block the ____________ nerve

Answer 12

vagus

Question 13

blockade levels
autonomic vs sensory vs motor

Answer 13

Question 14

Vasomotor tone is determined by sympathetic fibers arising from

Answer 14

T5 - L1, innervating the arterial and venous smooth muscle

Question 15

thoracolumbar outflow

Answer 15

autonomic blockade, T1-L2

Question 16

unopposed vagal tone may cause

Answer 16

sudden cardiac arrest

Question 17

the preferred agent for hypotension during neuraxial blocks in OB pt’s

Answer 17

phenylephrine

Question 18

tuffier’s line

Answer 18

usually L4 or L5

Question 18

common sites for spinal

Answer 18

L2-L3 or L3-L4

Question 19

intravascular injection S&S

Answer 19

20% Increase in HR of 15 -20 bpm for 2-3 minutes

Systemic toxicity- numb tongue, dizziness, ringing in the ears

Question 20

subarachnoid injection occurs in ____________

Answer 20

3-5 minutes

Question 21

subarachnoid injection s/s

Answer 21

Immediate onset of sensory and motor block in the buttocks and lower extremities (T10 block)