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Block II Exam > Abdominal Nerves > Flashcards

Abdominal Nerves Flashcards

1
Q

Paravertebral plexus consists of both:

A

Parasympathetic and Sympathetic fibers

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2
Q

Four Paravertebral ganglia in posterior abdominal wall:

A
  1. Celiac Ganglion
  2. Superior mesenteric ganglion
  3. Inferior Mesenteric ganglion
  4. Aorticorenal ganglion
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3
Q

Gray rami communicantes carry

A

postganglionic sympathetic fibers from L1-L5

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4
Q

Sympathetic . and parasympathetic fibers innervate:

A

Digestive system
Urinary system
Reproductive system

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5
Q

Pelvic splanchnic nerves only carries:

A

parasympathetic fibers

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6
Q

Vagus does not innervate:

A

Colons; stops at splenic flexure

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7
Q

Pelvic splanchnic nerves innervates (S2-S4):

A

Colon

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8
Q

Parasympathetic Innervation of the Abdomen:

A

Vagus nerve—to splenic flexure

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9
Q

Sympathetic Innervation of the Abdomen:

A

Thoracic splanchnic (greater, lesser, least)

Lumbar splanchnic nerves

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10
Q

Greater Splanchnic nerve (T5-T9) innervates:

A

structures of celiac ganglion

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11
Q

Inferior mesenteric and superior hypogastric plexus are only:

A

Sympathetic

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12
Q

Umbilical region ( part of SMA ganglion) is innervated by:

A

T9-T10 of lesser splanchnic nerves

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13
Q

The kidneys referred pain comes from

A

T12—least splanchnic

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14
Q

Inferior Mesenteric ganglion is

A

innervated by L1and L2

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15
Q

Lumbar plexus formed by what rami?

A

T12-L4

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16
Q

Lumbar plexus is visceral or somatic?

A

Somatic

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17
Q

How to distinguish subcostal nerve of LP?

A

Around rib 12 up comes transversely

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18
Q

Iliohypogastric should superior to what structure ?

A

Iliac crest and pierces transversus abdominis

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19
Q

ilioinguinal comes from L1 and travels around?

A

travels around iliac crest and enters superficial ring

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20
Q

lateral cutaneous branch of the genitofemoral nerve travels around whew?

A

travel deep to inguinal ligament—lateral to femoral nerve

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21
Q

Where things travel from the pelvis to the thigh?

A

Obturator canal

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22
Q

Where things travel from pelvic cavity to gluteal region and lower extremity?

A

Greater sciatic foramen

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23
Q

Where things travel from pelvic cavity to gluteal region and perineum?

A

Lesser sciatic foramen

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24
Q

Another name for hip bone is:

A

os coxae

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25
Q

3 bones of the os coxae are:

A

ilium
ischium
pubis

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26
Q

Greater and lesser sciatic notches become?

A

Greater and lesser sciatic foramen

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27
Q

Beginning of true pelvis is known as what line?

A

The arcuate line—part of pelvic brim

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28
Q

Where does the sacrum articulate to the os coxae?

A

auricular surface

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29
Q

origin of hamstring muscle is what?

A

Ischial tuberosity

30
Q

If ischial spine is pointing towards you, is the bone anterior or posterior?

A

Posterior

31
Q

Obturator foramen is the embryological name and the and the obturator canal is what the _____ nerve runs through.

A

Obturator nerve and artery

32
Q

iliopectineal line makes up the:

A

pelvic brim

33
Q

Anterior and posterior foramina of the sacrum are continuous with each other, but the anterior rami of S1-S4 goes through ____ and the dorsal rami goes through ____.

A

anterior, posterior

34
Q

What separates the abdomen from the pelvis?

A

The pelvic brim/pelvic inlet

35
Q

Pelvic inlet is made of:

A

The

  1. iliopectineal line
  2. pubis bone
  3. sacral promontory
  4. symphyseal joint (pubic symphysis)
36
Q

What is the anterior border of the pelvic inlet?

A

The pubic symphysis

37
Q

Pelvic outlet separates true pelvis and what?

A

Perineum

38
Q

Platellyolid

A

more flat pelvis, harder to have baginal delivery

39
Q

fixed diameter

should be 11 cm or greater

anterior posterior diameter of lesser pelvis

where the baby head passes through

from promontory to true symphysis

A

True conjugate

40
Q

second and third finger will measure the distance of the true conjugate —this is called

A

diagonal conjugate

41
Q

largest diameter in the pelvis

between the two iliopectineal lines (13cm)

A

transverse diameter

42
Q

interspinous distance

A

not fixed

most narrowed

widens when pregnant

43
Q

What is the pelvic floror made of?

A

coccygeus muscle and levator ani

44
Q

Rectovesical pouch:

A

in men—between the rectum and bladder

45
Q

rectouterine pouch (of Douglas):

A

in women: between the rectum and uterus–lowest part of peritoneal cavity and will collect fluid (when a person is standing)

46
Q

Vesicouterine pouch:

A

second pouch in women: between uterus and bladder–lowest part of peritoneal cavity and will collect fluid (when a person is standing)

47
Q

Somatic plexuses in pelvis

A

sacral plexus

coccygeal muscle

48
Q

sacral plexus (S1-S4 and L4-L5) is anterior to_

A

piriformis muscle

49
Q

sacral plexus innervates:

A

lower extremities and muscles of the pelvis and perineum

50
Q

Superior gluteal nerve

A

L4-S1 —exits “Superior” to piriformis muscle

51
Q

Inferior gluteal nerve

A

L5-S2–exits “Inferior” to piriformis muscle

52
Q

Sciatic nerve

A

L4-S3—exits inferior to piriformis—innervates everything below except anterior thigh

53
Q

nerves that exits through greater sciatic foramen and enter back through the lesser sciatic foramen

A

pudendal nerve and nerve to obturator internus

54
Q

What makes up the anococcygeal nerve and what does it supply?

A

Made up of S5 (and some of S4) and coccygeal nerve—-gives rise to the skin in the anal triangle of perineum

55
Q

Obturator is apart of what plexus?

A

Lumbar plexus (L4-L5)

56
Q

Terminal ganglion that is in front of the coccyx.

A

Ganglion impar

57
Q

Visceral paravertebral ganglion delivers:

A

postganglionic sympathetic fibers to the ventral rami of the sacral nerves of of lower limbs

58
Q

pelvic splanchnic nerves does not come from _____

A

sympathetic trunk

59
Q

pelvic splanchnic nerves originate from

A

S2 and S4 spinal nerves

60
Q

pelvic splanchnic nerves innervates:

A

erection tissues

hindgut—transverse, descending, sigmoid colon

pelvis and perineum

61
Q

pelvic splanchnic nerves enter through _____ plexus

A

inferior hypogastric plexus(back up prevertebral plexus)

62
Q

Sacral splanchnic nerves are ____thetic

A

Sympathetic

63
Q

Inferior hypogastric plexus has sympathetic and parasympathetic because it consists of which two splanchnic nerves?

A

Sacral splanchnic nerves (sym) and pelvic splanchnic nerves (para)

64
Q

Superior hypogastric plexus only consists of:

A

sympathetic fibers

65
Q

Superior hypogastric plexus is the final part of ______ plexus

A

Abdominal prevertebral plexus—-anterior to L5 and between sacral promontory and bifurcation of aorta

66
Q

The pelvic splanchnic nerves join with the sacral splanchnic nerves to form:

A

Inferior hypogastric plexus

67
Q

Inferior hypogastric plexus consists of both __ and ___?

A

sympathetic and parasympathetic

68
Q

Gray rami communicantes connects what two structures?

A

Sacral ventral rami and sympathetic trunk

69
Q

Emission of penis is caused by what fibers?

A

Sympathetic fibers—– from lower thoracic and upper lumbar spinal nerves

70
Q

Ejaculation is caused by

A

somatic motor nerves

Block II Exam (16 decks)

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