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OTD806 > Unit II Lec 18 > Flashcards

Unit II Lec 18 Flashcards

1
Q

Posterior abdominal wall is formed at the midline by what

A

five lumbar vertebrae and associated intervertebral discs

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2
Q

Posterior abdominal wall is formed laterally and superiorly by what

A

12th rib

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3
Q

Posterior abdominal wall is formed inferiorly by what

A

upper part of pelvis and 3-4mx

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4
Q

3 muscles line the posterior abdominal wall

A

psoas major, the iliacus and the quadratus lumborum

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5
Q

A loose, areolar connective tissue lines these muscles and the entire internal surface of the abdominal wall

A

endoabdominal or transversalis fascia

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6
Q

endoabdominal or transversalis fascia is continusous with what fascia

A

endopelvic fascia

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7
Q

Lumbar Plexus forms from what rami

A

anterior primary rami of L1 to L4, sometimes T12

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8
Q

Grar rami from what roots communicate with the lumbar plexus

A

all 5, T12-L4

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9
Q

White rami from what roots communicate with lumbar plexus

A

only 3, T12, L1, L2

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10
Q

Lumbar plexus form within what mx

A

psoas major

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11
Q

Psoas major emerges from what borders of the psoas major

A

lateral, anterior and medial borders

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12
Q

Letters of nerves from lumbar plexus from top to bottom

A

SIIGLFO

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13
Q

Nerve from T12

A

subcostal nerve

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14
Q

lumbar nerve to gluteal and hypogastric skin

A

iliohypogastric nerve (L1)

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15
Q

lumbar plexus nerve to skin of groin and scrotum/labia majorum

A

ilioinguinal nerve (L1

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16
Q

internal abdominal oblique mx is innervated by

A

ilioinguinal nerve (L1

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17
Q

transversus abdominis mx is innervated by

A

ilioinguinal nerve (L1

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18
Q

lumbar plexus n to to skin of mons pubis

A

genitofemoral nerve (L1-L2)

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19
Q

lumbar plexus n to labia majorum/scrotum

A

genitofemoral nerve (L1-L2)

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20
Q

lumbar plexus n to skin of the femoral triangle

A

genitofemoral nerve (L1-L2)

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21
Q

cremaster muscle is innervated by what lumbar plexus n

A

genitofemoral nerve (L1-L2)

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22
Q

lumbar plexus n to skin on anterolateral thigh

A

lateral femoral cutaneous nerve (L2-L3)

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23
Q

lumbar plexus n to anterior surface of thigh and medial aspect of leg and foot skin on the medial side of the leg

A

femoral nerve (L2-L4)

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24
Q

what branch of what lumbar plexus n innervates leg and foot

A

saphenous branch of femoral nerve (L2-L4

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25
Q

iliacus m is innervated by what lumbar plexus n

A

femoral nerve (L2-L4)

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26
Q

pectineus m is innervated by what lumbar plexus n

A

femoral nerve (L2-L4)

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27
Q

sartorius m is innervated by what lumbar plexus n

A

femoral nerve (L2-L4)

28
Q

quadriceps femoris m is innervated by what lumbar plexus n

A

femoral nerve (L2-L4)

29
Q

articular capsule of hip and knee joints is innervated by what lumbar plexus n

A

femoral nerve (L2-L4)

30
Q

medial surfaces of thigh and articular capsule to hip and knee joints innervated by what lumbar plexus n

A

obturator nerve (L2-L4)

31
Q

gracilis m is innervated by what lumbar plexus n

A

obturator nerve (L2-L4)

32
Q

adductor brevis, longus and magnus m is innervated by what lumbar plexus n

A

obturator nerve (L2-L4)

33
Q

obturator externus m is innervated by what lumbar plexus n

A

obturator nerve (L2-L4)

34
Q

branch of obturator n that exists only in 9% of cases

A

accessory obturator nerve (L3-L4)

35
Q

mx innervated by accessory obturator nerve only in 9% of cases

A

pectineus

36
Q

Two divisions of lumbar plexus

A

posterior and anterior

37
Q

Nerves in posterior lumbar plexus

A

lateral femoral cutaneous and femoral nerve

38
Q

Nerves in anterior lumbar plexus

A

obturator and accessory nerves

39
Q

The sacral plexus is formed by what rami and trunks

A

lumbosacral trunk, the ventral primary rami of the first, second, and third sacral nerves and part of the ventral primary ramus of the 4th sacral nerve

40
Q

Sacral plexus is anterior to what mx

A

piriformis muscle

41
Q

The sacral plexus is whereon the pelvic wall

A

on the posterior pelvic wall

42
Q

Two divisions of sacral plexus

A

anterior and posterior

43
Q

A number of branches from the sacral plexus pass to the lower limb through the _______ foramen

A

greater sciatic foramen

44
Q

Letters of nerves from sacral plexus

A

SISNNPPNP

45
Q

gluteus medius m is innervated by what n from sacral plexus

A

superior gluteal nerve (posterior division) (L4, L5, S1)

46
Q

gluteus minimus m is innervated by what n from sacral plexus

A

superior gluteal nerve (posterior division) (L4, L5, S1)

47
Q

tensor fasciae latae m is innervated by what n from sacral plexus

A

superior gluteal nerve (posterior division) (L4, L5, S1)

48
Q

gluteus maximus m is innervated by what n from sacral plexus

A

inferior gluteal nerve (posterior division) (L5, S1, S2)

49
Q

inferior gluteal nerve (posterior division) is from what 3 roots

A

(L5, S1, S2)

50
Q

superior gluteal nerve (posterior division) is from what roots

A

(L4, L5, S1)

51
Q

Sacral plexus n that is sensory to the skin on the lateral aspect of the skin and foot

A

sciatic nerve (post and anterior division) (L4 to S3)

52
Q

sciatic nerve (post and anterior division) is from what roots

A

(L4 to S3)

53
Q

sciatic nerve splits into what 2 nerves

A

tibial and the common peroneal nerves

54
Q

Hamstring mx are innervated by what

A

Tibial nerve from sciatic nerve

55
Q

muscles of the leg and foot are innervated by what

A

Tibial nerve from sciatic nerve

56
Q

nerve to the quadratus femoris muscle and gemellus inferior (anterior division) is from what roots

A

(L4 - S1)

57
Q

nerve to obturator internus and gemellus superior (anterior division) is from what roots

A

(L5 - S2).

58
Q

n from sacral plexus that does sensory to the posterior thigh

A

posterior cutaneous nerves of the thigh

59
Q

posterior cutaneous nerves of the thigh (mainly post division) is from what roots

A

(S2, S3)

60
Q

sacral plexus n that does sensory to the lower half of the anal canal, perianal skin, and genitalia in both sexes

A

pudendal nerve (anterior division) (S2 - S4)

61
Q

pudendal nerve (anterior division) is from what roots

A

(S2 - S4)

62
Q

muscles of the perineum are innervated by what n from sacral plexus

A

pudendal nerve (anterior division) (S2 - S4

63
Q

nerve to piriformis muscle (posterior division) are from what roots

A

(S1 - S2)

64
Q

viscera is innervated by what n from sacral plexus

A

pelvic splanchnic nerves

65
Q

n from sacral plexus that innervates the skin of the lower medial part of the buttocks

A

Inferior gluteal nerve

OTD806 (43 decks)

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