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PNS > Lumbar, Sacral, Coccygeal Plexus > Flashcards

Lumbar, Sacral, Coccygeal Plexus Flashcards

0
Q

The first and second lumbar ventral rami communicate with the lumbar sympathetic trunk by the (white/grey, or both) ramus or rami communicantes.

A

White ramus communicantes

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1
Q

How many lumbar sympathetic ganglia supply the grey rami communicans to the five lumbar ventral rami?

A

4

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2
Q

The lumbosacral trunk is formed by __________ & __________.

A

The fourth lumbar ventral ramus and the sacral plexus

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3
Q

The fourth lumbar ventral ramus is usually called as _____________.

A

Nervus furcalis

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4
Q

The lumbar plexus is formed by ____.

A

first, second, third, and most of the fourth lumbar ventral rami.

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5
Q

Name the nerve which emerges from the superficial ring of the inguinal canal.

A

Ilioinguinal Nerve (L1)

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6
Q

Name the roots of the genitofemoral nerve.

A

Gentiofemoral Nerve (L1, L2) divides into a Genital Branch and Femoral Branch

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7
Q

Name the nerve, which passes through the entire inguinal canal.

A

Genital branch of Genitofemoral N (L1, L2)

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8
Q

Name the nerve which innervates the cremaster muscle. _____ of _____

A

Genital branch of Genitofemoral N (L1, L2)

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9
Q

Name three nerves which emerge at the posteromedial margin of the psoas major.

A

1) Obturator Nerve (L2, L3, L4)
2) Accessory Obturator Nerve (L3, L4)
3) Lumbosacral trunk

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10
Q

Which nerve emerges from the medial border of the psoas major?

A

1) Obturator Nerve (L2, L3, L4)–postero-
2) Accessory Obturator Nerve (L3, L4)–postero-
3) Lumbosacral trunk

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11
Q

Name the nerves which innervate the adductor magnus. ____ of ____, & ____ of _____

A

Posterior Branch of Obturator Nerve (L2, L3, L4) & the Sciatic Nerve

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12
Q

All of the following innervate the pectineus, EXCEPT
A) The anterior branch of the obturator nerve.
B) The posterior branch of the obturator nerve.
C) The accessory obturator nerve.
D) The femoral nerve

A

except.. The Posterior Branch of the Obturator N

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13
Q

Name the nerve, which innervates the pectineus and hip joint from the third and fourth lumbar ventral rami.

A

Accessory Obturator N (L3, L4)

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14
Q

Name the nerve which supplies the parietal peritoneum in the iliac fossa.

A

Lateral Femoral Cutaneous Nerve (L2, L3)

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15
Q

Name the nerves which pass under the inguinal ligament entering the thigh.

A

Femoral Branch of Genitofemoral N (L1, L2);
Lateral Femoral Cutaneous Nerve (L2, L3);
Femoral Nerve (L2, L3, L4)

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16
Q

The subsartorial plexus is formed by _______________.

A

Anterior Branch of the Obturator Nerve (L2, L3, L4);
Medial Cutaneous Branch of Femoral Nerve (L2, L3, L4);
Saphenous Branches of the Femoral Nerve (L2, L3,L4)

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17
Q

Name three nerves which innervate the pectineus.

A

The anterior branch of the obturator nerve.
The accessory obturator nerve.
The femoral nerve (nerve to the pectineus)

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18
Q

Name the nerve which descends between the psoas major and iliacus in the abdomen to the thigh.

A

Femoral Nerve (L2, L3, L4)

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19
Q

Name the nerves which form the patellar plexus.

A

the Anterior Branch of the Lateral Femoral Cutaneous Nerve (L2, L3)

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20
Q

Name the nerve which accompanies the descending genicular artery.

A

The Saphenous Nerve, Posterior division of Femoral Nerve (L2,L3,L4)

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21
Q

Name the nerve which accompanies the great saphenous vein in the medial side of the leg.

A

The Saphenous Nerve, Posterior division of Femoral Nerve (L2,L3,L4)

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22
Q

Name the nerves which locate in the adductor canal.

A

The Saphenous Nerve, Posterior division of Femoral Nerve (L2,L3,L4)
Nerve to vastus medialis?

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23
Q

Name the nerves which innervate the hip joint.

A

Accessory Obturator Nerve (L3,L4);
Anterior Branch of the Obturatoe Nerve (L2,L3,L4);
Muscular Branches of the Posterior Division of the Femoral N (L2,L3,L4);
Nerve to the quadratus femoris and gemllus inferior (L4,L5,S1)

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24
Q

Which nerve pierces the fascia lata at the distal end of the adductor canal and precedes the medial side of the knee with descending genicular artery?

A

The Saphenous Nerve, Posterior division of Femoral Nerve (L2,L3,L4)

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25
Q

Muscular branches of the posterior division of the femoral nerve innervates;

A

1) quadratus femoris
2) hip joint
3) knee joint

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26
Q 
Which of the following does not innervates the pectineus muscle?
A. Anterior branch of obturator nerve 
B. Femoral nerve
C. Accessory obturator nerve 
D. Posterior branch of obturator nerve
A

POSTERIOR BRANCH OF THE OBTURATOR NERVE

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27
Q

Which nerve emerges or lies on the lateral side of the psoas major in the lumbar region?

A

The Femoral Nerve (L2, L3, L4)

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28
Q

The fifth sacral ventral ramus enters the pelvis through the ____________.

A

Sacral Hiatus

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29
Q

Each sacral ventral rami and coccygeal nerve receives a grey ramus communicans from the corresponding sympathetic ganglion. True/False

A

TRUE

30
Q

The upper, larger band of the sacral plexus becomes _______.

A

the Sciatic Nerve

31
Q

The superior gluteal artery lies between the first and second sacral ventral rami. True/False

A

True? But, they usually lie between the lumbosacral trunk and the first sacral ventral ramus

32
Q

The common peroneal nerve is formed by dorsal division of the sacral plexus. True/False

A

True. Common Peroneal N (L4,L5,S1,S2)

33
Q

Name the nerve which leaves the pelvis through the greater sciatic foramen above the piriformis.

A

Superior Gluteal N (Dorsal; L4,L5,S1)

34
Q 
Which of the following muscles is not innervated by the muscular branches of the sacral plexus?
A. Obturator externus. 
B. Levator ani.
C. Sphincter ani externus. 
D. Coccygeus.
A

Obturator Externus

35
Q

Name the nerve which innervates the tensor fascia latae. ___ of ___

A

Inferior Branch of the Superior Gluteal Nerve (Dorsal, L4,L5,S1)

36
Q 
Which of the following nerves is formed by both dorsal and ventral branches of the sacral plexus?
A. Perforating cutaneous nerve 
B. Posterior femoral cutaneous nerve
C. Superior gluteal nerve
D. Pudendal nerve
A

Posterior Femoral Cutaneous Nerve; Ventral-S2,S3; Dorsal- S1,S2

37
Q

Name the nerve which accompanies the inferior gluteal vessels.

A

Posterior Femoral Cutaneous Nerve; Ventral-S2,S3; Dorsal- S1,S2

38
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 nerve
B. Posterior femoral cutaneous nerve
C. Inferior gluteal nerve 
D. Anococcygeal nerve
A

Posterior Femoral Cutaneous Nerve; Ventral-S2,S3; Dorsal- S1,S2

39
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

The Sciatic Nerve

40
Q

The muscular branches of the sciatic nerve innervate following muscles, Except;

a. adductor magnus
b. pectineus
c. biceps femoris
d. semitendinousus.

A

PECTINEUS

it innervates: semitendinnosus, semimembranosus, biceps femoris, and ischial part of adductor magnus

41
Q

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

A

False… should be VENTRAL branches

42
Q

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

A

the Tibial Nerve (Ventral; L4,L5,S1,S2,S3)

43
Q

Name the artery which accompanies the tibial nerve in the posteromedial side of the leg.

A

Popliteal Artery or Posterior Tibial artery??

44
Q 
Which of the following nerves accompanies the posterior tibial artery?
A. Sural nerve 
B. Common peroneal nerve
C. Deep peroneal nerve 
D. Tibial nerve
A

Tibial Nerve

45
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

Flexor Retinaculum

46
Q

Which of the following nerves innervates the second, third and fourth lumbricals on the foot?
A. Medial plantar nerve
B. Superficial branch of the lateral plantar nerve
C. First common plantar digital nerve
D. Deep branch of the lateral plantar nerve

A

The Lateral Plantar Nerve of the Tibial Nerve

47
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. descending genicular artery

A

Descending Genicular Artery

*Articular branches of the Tibial Nerve accompany the Superio, inferior medial, and middle genicular arteries.

48
Q

Name the nerve which innervates the distal tibiofibular joint. ____ of ____

A

Interosseous branch of the Tibial Nerve

49
Q

The sural nerve is the branch from the;

a. sciatic nerve
b. common peroneal nerve
c. tibial nerve
d. superficial peroneal nerve.

A

Tibial Nerve

50
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

Tibial Nerve

51
Q

The sural nerve descends medial to the tendo calcaneus with the lesser saphenous vein. True/ False

A

False… should be LATERAL

52
Q

Name the nerve which connects with the superficial peroneal nerve on the dorsum of the foot and the posterior femoral cutaneous nerve in the leg. __________ of ________

A

The SURAL Nerve of the Tibial Nerve

53
Q

Name the nerve which accompanies the arteria dosalis pedis. ___ of __

A

The Medial Terminal Branch of the Deep Peroneal Nerve of the Common Peroneal (Fibular) Nerve

54
Q

Name the nerve which appears between the abductor hallucis and the flexor digitorum brevis. _____ of _________

A

The Medial Plantar Nerve of the Tibial Nerve

55
Q

Name the nerve which supplies adjacent side of the third and fourth toes and connects with the lateral plantar nerve. ______ of _____

A

The THIRD Common Digital Nerve of the Medial Plantar Nerve of the Tibial Nerve

56
Q

Most deep plantar muscles of the foot are innervated by the ____ of _____.

A

The Lateral Plantar Nerve of the Tibial Nerve

57
Q

The lateral common digital nerve of the superficial nerve from the lateral plantar nerve innervates the dorsal and plantar interossei in the fourth intermetatarsal space. True/False

A

TRUE

58
Q

The first lumbrical is innervated by the ______ of __________.

A

The First Common Digital Nerve of the Medial Plantar Nerve of the Tibial Nerve

59
Q

The deep branch of the lateral plantar nerve innervates the second, third and fourth lumbricals. True/False

A

TRUE

60
Q

Name the nerve which innervates the adductor hallucis. ___ of ___

A

The Deep Branch of the Lateral Plantar Nerve of the Tibial Nerve

61
Q

The common fibular nerve is derived from the dorsal branches of the fourth and fifth lumbar and first, second sacral ventral rami. True/False

A

TRUE

62
Q

Name the nerve which gives off the recurrent articular nerve to the anterolateral part of the knee capsule and the proximal tibiofibular joint. ____ of ___

A

The Common Peroneal (FIBULAR) Nerve (Dorsal; L4,L5,S1,S2)

63
Q

The lateral sural nerve is a cutaneous branch of the;

a. sural nerve
b. tibial nerve
c. common peroneal nerve
d. saphenous nerve.

A

The Common Peroneal (FIBULAR) Nerve (Dorsal; L4,L5,S1,S2)

64
Q

Name the nerve which curves lateral to the fibular neck, deep to the fibularis longus. ___ of ___

A

The Common Peroneal (FIBULAR) Nerve (Dorsal; L4,L5,S1,S2)

65
Q

Name the artery which accompanies the deep fibular nerve. ____ of ____

A

Anterior Tibial Artery

66
Q

Name the nerve which innervates the fibularis tertius. ____ of ____

A

Deep Peroneal Nerve of The Common Peroneal (FIBULAR) Nerve (Dorsal; L4,L5,S1,S2)

67
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 Terminal Branch of the Deep Peroneal Nerve of The Common Peroneal (FIBULAR) Nerve (Dorsal; L4,L5,S1,S2)

68
Q

Name the nerve which accompanies the arteria dosalis pedis. ___ of ___

A

Medial Terminal Branch of the Deep Peroneal Nerve of The Common Peroneal (FIBULAR) Nerve (Dorsal; L4,L5,S1,S2)

69
Q

Name the nerve which innervates the fibularis longus and brevis. ___ of ___

A

Superficial Peroneal Nerve of the Common Peroneal (FIBULAR) Nerve (Dorsal; L4,L5,S1,S2)

70
Q

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

A

Medial Terminal Branch of the Deep Peroneal Nerve of The Common Peroneal (FIBULAR) Nerve (Dorsal; L4,L5,S1,S2)

71
Q

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

A

The Common Peroneal (FIBULAR) Nerve (Dorsal; L4,L5,S1,S2)

72
Q

Name the nerve which pierces the sacrotuberous ligament. ____ of ____

A

The Perforating Cutaneous Nerve

PNS (15 decks)

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