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PNS > Unit 3: Sacral and Coccygeal Ventral Rami > Flashcards

Unit 3: Sacral and Coccygeal Ventral Rami Flashcards

0
Q

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

A

True

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1
Q

the fifth sacral ventral ramus enters the pelvis through the _____

A

sacral hiatus with the coccygeal N

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2
Q

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

A

False, part of 4th and all of 5th

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3
Q

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

A

obturator N
accessory obturator N
lumbosacral trunk

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4
Q

the upper, larger band of the sacral plexus becomes ___

A

sciatic N

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5
Q

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

A

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

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6
Q

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

A

true

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7
Q

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

A

superior gluteal N

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8
Q 
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
A

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

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9
Q

Name the nerve which innervates the tensor fasiae latae ___of___

A

inferior branch of the superior gluteal N

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10
Q

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

A

posterior femoral cutaneous N

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11
Q 
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
A

C. posterior femoral cutaneous N (sciatic N too)

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12
Q

Name the nerve which accompanies the inferior gluteal vessels

A

inferior gluteal N

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13
Q

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

A

posterior femoral cutaneous N

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14
Q 
The posterior femoral cutaneous nerve branches followings, Except
A. gluteal branch
B. articular branch
C. perineal branch
D. branch to the thigh and leg
A

C. perineal branch

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15
Q 
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
A

C. posterior femoral cutaneous N

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16
Q

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

A

sciatic N

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17
Q 
the muscular branches of the sciatic nerve innervate following muscles, except:
A. adductor magnus
B. pectineus
C. biceps femoris
D. semitendinousus
A

B. pectineus

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18
Q

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

A

False: ventral branches

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19
Q

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

A

tibial N

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20
Q

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

A

posterior tibial Artery

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21
Q 
which of the following nerves accompanies the posterior tibial artery?
A. sural Nerve
B.deep peroneal nerve
C. common peroneal nerve
D. tibial nerve
A

tibial N

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22
Q 
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
A

D. flexor retinaculum

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23
Q

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

A

B. deep branch of the lateral plantar N

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24
Q 
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
A

D. descending gendicular artery

25
Q

Name the nerve which innervates the distal tibiofibular joint___of___

A

interosseous N of tibial N

26
Q 
The sural nerve is the branch from the:
A. sciatic N
B. common peroneal N
C. Tibial N
D. interosseous branch of tibial N
A

C. tibial N

27
Q 
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
A

B common peroneal nerve

28
Q

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

A

False, lateral side

29
Q

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 ___

A

sural N of the tibial N

30
Q

Name the nerve which accompanies the arteria dosalis pedis __of___

A

medial branch of deep fibular N

31
Q

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

A

medial plantar N of sural N

32
Q

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

A

common plantar digital N of medial plantar n of tibial N

33
Q

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

A

deep branch of the lateral plantar N

34
Q

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

35
Q

The first lumbrical is innervated by the ___of___

A

1st common digital N of medial plantar N

36
Q

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

37
Q

Name the nerve which innervates the adductor hallucis ___of___

A

deep branch of lateral plantar N

38
Q

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

39
Q

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

A

recurrent branch of common fibular N

40
Q 
The lateral sural nerve is a cutaneous branch of the 
A. sural Nerve
B. Tibial N
C. common peroneal N
D. saphenous N
A

common peroneal N

41
Q

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

A

common fibular N of sciatic N

42
Q

name the artery which accompanies the deep fibular N___of___

A

anterior tibial A

43
Q

name the nerve which innervates the fibularis tertius ___of___

A

lateral branch of deep fibular N

44
Q

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

A

lateral branch of the deep fibular N

45
Q

Name the neves which supplies the first metatarsophalangeal joint ___of___

A

medial branch of the deep fibular N

46
Q

Name the nerve which innervates the fibularis longus and brevis __of__

A

superficial fibular N of common fibular N

47
Q

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

A

medial branch of deep fibular N

48
Q

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

A

deep fibular N of common fibular N

49
Q

Name the nerve which pierces the sacrotuberous ligament __of__

A

perforating cutaneous N of S2 and S3

50
Q

The pudendal Nerve arises from the ventral division of ___

51
Q

Name the roots of the pudendal nerve

52
Q 
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
A

A. pudendal N

53
Q

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

A

pudendal N (with internal pudendal A)

54
Q 
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
A

A. posterior scotal or labial N

55
Q 
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
A

B. posterior scrotal or labial nerve

56
Q

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

A

C. posterior of the external ani sphincter

57
Q 
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
A

C. obturator externus

58
Q

Name the nerve which innervates the glans penis

A

dorsal nerve of penis

59
Q

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

A

dorsal Nerve of penis of pudendal N

60
Q

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

A

vaginal wall

61
Q

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

A

coccygeal ventral ramus

PNS (13 decks)

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