spinal and epidural part 2 (Dermatomes) (exam one)

Question 1

an area of skin that receives sensory nerves from a single spinal nerve root

Answer 1

dermatome

Question 2

T/F
Dermatomes are always connected to the spinal nerve they are physically aligned with

Answer 2

false

Question 3

Dermatome region related to L1-L4

Answer 3

anterior and inner surface of lower limbs

Question 4

Dermatome region related to L4-S1

Answer 4

foot

Question 5

Dermatome region related to L4

Answer 5

Medial side of great toe

Question 6

Dermatome region related to S1,S2,L5

Answer 6

Posterior and outer surface of lower limbs

Question 7

Dermatome region related to S1

Answer 7

lateral margins of foot and little toe

Question 8

Dermatome region related to S2,S3,S4

Answer 8

perineum

Question 9

Dermatome region related to T10

Answer 9

umbilicus

Question 10

Dermatome region related to T12

Answer 10

inguinal or groin regions

Question 11

Dermatome region related to C5

Answer 11

Clavicles

Question 12

Dermatome region related to C5,C6,C7

Answer 12

lateral parts of upper limbs

Question 13

Dermatome region related to C8,T1

Answer 13

medial sides of the upper limbs

Question 14

Dermatome region related to C6

Answer 14

thumb

Question 15

Dermatome region related to C6,C7,C8

Answer 15

hand

Question 16

Dermatome region related to C8

Answer 16

ring and little fingers

Question 17

Dermatome region related to T4

Answer 17

nipples

Question 18

the sensory information on the face is conducted by

Answer 18

trigeminal nerve (V)

Question 19

what are the 3 branches of trigeminal nerve

Answer 19

v1- opthalmic
v2-maxillary
v3- mandibular

Question 20

what does the opthalmic V1 do

Answer 20

provides sensation to
* nose
* paranasal sinuses
* upper face

Question 21

what does the opthalmic V1 travel through?

Answer 21

travels through the cavernous sinus and exits via superior orbital fissure

Question 22

what does the maxillary V2 do

Answer 22

provides sensory input for
* middle third of face and upper teeth

Question 23

what does V2 travel through

Answer 23

travels with V1 in the cavernous sinus, exits through the foramen rotundum

Question 24

what does mandibular V3 do

Answer 24

sensory to
* lower face
* tongue
* jaw
* lower teeth
motor to muscles of mastication and mylohyoid and other small muscles

Question 25

How does the mandibular V3 travel

Answer 25

immediately exits skull through formamen ovale

Question 26

Dermatomal level for peri-anal surgery(saddle block)

Answer 26

S2-S5

Question 27

Foot/Ankle surgery dermatomal level

Answer 27

L2

Question 28

Thigh/lower leg/knee dermatomal level

Answer 28

L1

Question 29

Vaginal delivery/uterine/hip procedure/tournique/Turp dermatomal level

Answer 29

T10

Question 30

Scrotum surgery dermatomal level

Answer 30

S3

Question 31

Penis surgery dermatomal level

Answer 31

S2

Question 32

Testicular procedure dermatomal level

Answer 32

T8

Question 33

Urologic/gynecologic/lower abdominal dermatomal levels

Answer 33

T6

Question 34

Cesarean section/upper abdominal dermatomal surgery

Answer 34

T4

Question 35

Testicles are embryonically derived from what level for pain transmission

Answer 35

the same level as the kidneys T10-L1

Question 36

why might general anesthesia be required during procedures involving the testicles

Answer 36

vaginal stimulation from abdominal traction