Session 5 Plus Plexus Quiz Q

Question 1

How many cervical vertebrae

Answer 1

7

Question 2

What is characteristic for all cervical vertebrae

Answer 2

Transverse foraminae

Question 3

Where does the cauda equina begin

Answer 3

L1

Question 4

What is characteristic of thoracic vertebrae

Answer 4

Long, slanted spinous process

Question 5

What is derived from sclerotomes

Answer 5

Vertebrae and ribs

Question 6

What symptoms will a patient with a prolapsed vertebral disc in between C4/C5 have

Answer 6

Reduced sensation in lateral aspect of upper arm

Question 7

What is supplied by L4 dermatome and myotome

Answer 7

Lateral calf sensation and abduction of the hip

Question 8

When does neurulation occur

Answer 8

weeks 3-4

Question 9

Which 3 nerves have a contribution from the L3 spinal nerve

Answer 9

Lateral cutaneous nerve, obturator nerve, femoral nerve

Question 10

Which nerve has a contribution from the T12 spinal nerve

Answer 10

Iliohypogastric

Question 11

What are branches of the femoral nerve

Answer 11

Saphenous nerve and anterior cutaneous nerve

Question 12

What are branches of the sciatic nerve

Answer 12

Common peroneal and common fibular

Question 13

Spinal nerves that contribute to the fibular portion of the sciatic nerve

Answer 13

L5, S1, S2

Question 14

Only nerves of sacral plexus with no sensory functions

Answer 14

Inferior and superior gluteal nerves

Question 15

Which bony landmark do all of the peripheral nerves of the sacral plexus travel through

Answer 15

The greater sciatic foramen

Question 16

what is the least common method of diagnosis for spondylosis

Answer 16

Ultrasound scan

Question 17

What is the most common condition involving the back that is relieved by rest

Answer 17

Mechanical back pain

Question 18

What is the most common cause of spinal infection

Answer 18

Haemotogenous spread

Question 19

Compression of L5 spinal nerve root causes pain that radiates to

Answer 19

Lateral thigh/leg and dorsum of foot

Question 20

What is the name of the condition involving osteoarthritis of the intervertebral discs of the cervical and lumbar regions

Answer 20

Spondylosis

Question 21

Which symptom only occurs if the thoracic cord compression is at T5

Answer 21

Reduced chest expansion on inspiration

Question 22

What’s a Jefferson’s fracture

Answer 22

Fracture of C1 vertebrae caused by axial loading on top of head (pain and no neurological symptoms)

Question 23

What is a Hangman’s fracture

Answer 23

Through pars interarticularis of C2 axis, through forcible hyperextension of the neck

Question 24

Which ligament is sometimes damaged by a Jefferson’s fracture

Answer 24

Transverse ligament - holds 2 sides of atlas together

Question 25

Which nerve root of sciatic nerve is affected:

Pain radiating from back, down back of leg, to sole of foot

Answer 25

S1

Question 26

Which nerve root is most likely to be compressed in a disc prolapse of L5/S1

Answer 26

Traversing root - S1

Question 27

what level has disc herniation occured:

Numbness of medial leg and ankle, foot drop

Answer 27

L3/L4

L3 is last in tact dermatome, traversing nerve root most commonly affected in lumbar spine so L3/L4 would impact L4 nerve root. Loss of foot drop = L4 not working

Question 28

What is the first spinal ligament a needle passes through in a lumbar puncture

Answer 28

Supraspinous ligament

Question 29

Sciatica with pins and needles in sole of foot suggests which nerve root is involved

Answer 29

S1