Unit 3: Sacral and Coccygeal Ventral Rami

Question 0

Each sacral ventral rami and coccygeal nerve receives a grey ramus communicate from the corresponding sympathetic ganglion T/F

Answer 0

True

Question 1

the fifth sacral ventral ramus enters the pelvis through the _____

Answer 1

sacral hiatus with the coccygeal N

Question 2

The lumbosacral trunk comprises all the fourth and fifth lumbar ventral rami T/F

Answer 2

False, part of 4th and all of 5th

Question 3

Name the nerves which appear at the medial margin of the psoas major

Answer 3

obturator N
accessory obturator N
lumbosacral trunk

Question 4

the upper, larger band of the sacral plexus becomes ___

Answer 4

sciatic N

Question 5

The superior gluteal artery lies between the first and second sacral ventral rami T/F

Answer 5

True (usually b/w lumbosacral trunks and 1st ventral sacral ramus

Question 6

the common peroneal nerve is formed by dorsal division of the sacral plexus T/F

Answer 6

true

Question 7

Name the nerve(s) which leave(s) the pelvis through the greater sciatic foramen above the piriformis

Answer 7

superior gluteal N

Question 8

Which of the following muscles is not innervated by the muscular branches of the sacral plexus?
A. obturator externus
B. sphincter ani externus
C. levator ani
D. coccygeus

Answer 8

A. obturator externus (posterior branch of the obturator N)

Question 9

Name the nerve which innervates the tensor fasiae latae ___of___

Answer 9

inferior branch of the superior gluteal N

Question 10

Name nerves which are formed by both dorsal and ventral branches of the sacral plexus?

Answer 10

posterior femoral cutaneous N

Question 11

Which of the following nerves is formed by both dorsal and ventral branches of the sacral plexus?
A. perforating cutaneous N
B. Superior gluteal N
C. posterior femoral cutaneous N
D. Pudendal N

Answer 11

C. posterior femoral cutaneous N (sciatic N too)

Question 12

Name the nerve which accompanies the inferior gluteal vessels

Answer 12

inferior gluteal N

Question 13

Name the nerve which innervates the skin of the gluteal region, perineum and posterior side of the thigh and leg

Answer 13

posterior femoral cutaneous N

Question 14

The posterior femoral cutaneous nerve branches followings, Except
A. gluteal branch
B. articular branch
C. perineal branch
D. branch to the thigh and leg

Answer 14

C. perineal branch

Question 15

Which of the following nerves innervates the skin of the gluteal region, perineum and posterior side of the thigh and leg?
A. superior gluteal N
B. inferior gluteal N
C. Posterior femoral cutaneous N
D. Anococcygeal N

Answer 15

C. posterior femoral cutaneous N

Question 16

Name the nerve which leaves the pelvis through the greater sciatic foramen below the piriformis and descends between the greater trochanter and ischial tuberosity

Answer 16

sciatic N

Question 17

the muscular branches of the sciatic nerve innervate following muscles, except:
A. adductor magnus
B. pectineus
C. biceps femoris
D. semitendinousus

Answer 17

B. pectineus

Question 18

The tibial nerve appears from the dorsal branches of the fourth and fifth lumbar, and first to third sacral ventral rami T/F

Answer 18

False: ventral branches

Question 19

Name the nerve which passes anterior side of the arch of the soleus behind the soleal line

Answer 19

tibial N

Question 20

Name the artery which accompanies the tibial N in the posteromedial side of the leg

Answer 20

posterior tibial Artery

Question 21

which of the following nerves accompanies the posterior tibial artery?
A. sural Nerve
B.deep peroneal nerve
C. common peroneal nerve
D. tibial nerve

Answer 21

tibial N

Question 22

The tibial nerve bifurcates into the medial and lateral plantar nerves under the:
A. fibular retinaculum
B. plantar aponeurosis 
C. extensor retinaculum
D. flexor retinaculum

Answer 22

D. flexor retinaculum

Question 23

which of the following nerves innervates the second, third and fourth lumbricals on the foot?
A. medial plantar nerve
B. Deep branch of the lateral plantar N
C. superficial branch of the lateral plantar nerve
D. first common plantar digital nerve

Answer 23

B. deep branch of the lateral plantar N

Question 24

``` The articular branches to the knee from the tibial nerve accompany the following arteries, except: A. superior medial genicular artery B. inferior medial genicular artery C. middle genicular artery D. desceding genicular artery ```

Answer 24

D. descending gendicular artery

Question 25

Name the nerve which innervates the distal tibiofibular joint___of___

Answer 25

interosseous N of tibial N

Question 26

``` The sural nerve is the branch from the: A. sciatic N B. common peroneal N C. Tibial N D. interosseous branch of tibial N ```

Answer 26

C. tibial N

Question 27

``` the sural communicating nerve is a branch of the : A. sciatic nerve B. common peroneal nerve C. Tibial nerve D. interosseous branch of tibial nerve ```

Answer 27

B common peroneal nerve

Question 28

The sural nerve descends medial to the tendo calcaneous with the lesser saphenous T/F

Answer 28

False, lateral side

Question 29

Name the nerve which connects with the superficial fibular N on the dorsum of the foot and the posterior femoral cutaneous N in the leg ___ of ___

Answer 29

sural N of the tibial N

Question 30

Name the nerve which accompanies the arteria dosalis pedis __of___

Answer 30

medial branch of deep fibular N

Question 31

Name the nerve which appears between the abductor hallucis and the flexor digitorum brevis___of___

Answer 31

medial plantar N of sural N

Question 32

Name the nerve which supplies adjacent side of the third and fourth toes and connects with the lateral plantar N___ of ___

Answer 32

common plantar digital N of medial plantar n of tibial N

Question 33

most deep plantar muscles of the foot are innervated by the ___of ___

Answer 33

deep branch of the lateral plantar N

Question 34

the lateral common digital N of the superficial N from the lateral plantar nerve innervates the dorsal and plantar interossei in the fourth intermetatarsal space T/F

Answer 34

True

Question 35

The first lumbrical is innervated by the ___of___

Answer 35

1st common digital N of medial plantar N

Question 36

The deep branch of the lateral plantar N innervates the second, third, and fourth lumbricals T/F

Answer 36

true

Question 37

Name the nerve which innervates the adductor hallucis ___of___

Answer 37

deep branch of lateral plantar N

Question 38

the common fibular nerve is derived from the dorsal branches of the fourth and fifth lumbar and first, second sacral ventral rami T/F

Answer 38

true

Question 39

name the nerve which gives off the recurrent articular N to the anterolateral part of the knee capsule and the proximal tibiofibular joint ___of___

Answer 39

recurrent branch of common fibular N

Question 40

``` The lateral sural nerve is a cutaneous branch of the A. sural Nerve B. Tibial N C. common peroneal N D. saphenous N ```

Answer 40

common peroneal N

Question 41

NAme the nerve which curves lateral to the fibular neck, deep to the peroneus longus ___of___

Answer 41

common fibular N of sciatic N

Question 42

name the artery which accompanies the deep fibular N___of___

Answer 42

anterior tibial A

Question 43

name the nerve which innervates the fibularis tertius ___of___

Answer 43

lateral branch of deep fibular N

Question 44

Name the nerve which enlarges as a pseudo ganglion of the dorsum of the foot and supplies the extensor digitorum brevis __of___

Answer 44

lateral branch of the deep fibular N

Question 45

Name the neves which supplies the first metatarsophalangeal joint ___of___

Answer 45

medial branch of the deep fibular N

Question 46

Name the nerve which innervates the fibularis longus and brevis __of__

Answer 46

superficial fibular N of common fibular N

Question 47

Name the nerve which supplies adjacent sides of the first and second toes on the dorsum of the foot ___ of ___

Answer 47

medial branch of deep fibular N

Question 48

name the nerve(s) which might cause foot drop and weakness of ankle dorsi flexion when it is damaged

Answer 48

deep fibular N of common fibular N

Question 49

Name the nerve which pierces the sacrotuberous ligament __of__

Answer 49

perforating cutaneous N of S2 and S3

Question 50

The pudendal Nerve arises from the ventral division of ___

Answer 50

S2-S4

Question 51

Name the roots of the pudendal nerve

Answer 51

S2-S4

Question 52

``` Which of the following nerves passes through the lesser sciatic foramen? A. pudendal nerve B. inferior gluteal Nerve C. superior gluteal N D. obturator N ```

Answer 52

A. pudendal N

Question 53

Name the nerve which passes through the lesser sciatic foramen into the pudendal canal

Answer 53

pudendal N (with internal pudendal A)

Question 54

``` The pudendal N gives off following branches, except: A. posterior scrotal or labial N B. inferior rectal N C. perineal N D. dorsal nerve of the penis ```

Answer 54

A. posterior scotal or labial N

Question 55

``` Which of the following nerves is not a direct branch of the pudendal nerve? A. inferior rectal nerve B. posterior scrotal or labial N C. dorsal N of the penis D. perineal N ```

Answer 55

B. posterior scrotal or labial nerve

Question 56

muscular branches of the perineal nerve innervate following muscles, except: A. bulbospongiosus B. sphincter urethrae C. posterior of the external ani sphincter D. dorsal nerve of the clitoris

Answer 56

C. posterior of the external ani sphincter

Question 57

``` Which of the following structures is not supplied by the muscular branches fo the perineal nerve? A. transversus perinei superficialis B. bulbospongiosus C. Obturator externus D. sphincter urethrae ```

Answer 57

C. obturator externus

Question 58

Name the nerve which innervates the glans penis

Answer 58

dorsal nerve of penis

Question 59

Name the nerve which passes through the hiatus between the urogenital diaphragm and the inferior pubic ligament __of___

Answer 59

dorsal Nerve of penis of pudendal N

Question 60

The pudendal nerve can be blocked by injection with a local anesthetic application towards the ischial spin, through the ___

Answer 60

vaginal wall

Question 61

which of the following nerves emerges from the sacral hiatus with the filum terminalis externus? A. lesser splanchnic nere B. coccygeal ventral ramus C. Fourth sacral ventral ramus D. annococcygeal Nerve

Answer 61

coccygeal ventral ramus