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ANA 2020 > PELVIS > Flashcards

PELVIS Flashcards

1
Q

Composition of pelvic brim

A

Ant- symphysis pubis
Lat- iliopectineal line
Post- sacral promontory

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2
Q

Boundaries:
Post- lumbar
Lat- iliac fossa and iliacus m
Ant- ant abd wall

A

False pelvis

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3
Q

Important in OB, baby pass through has inlet, outlet, cavity

A

True pelvis

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4
Q

Boundaries of pelvic INLET

A

Ant- symphysis pubis
Lat- iliopectineal line
Post- sacral promontory

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5
Q

Boundaries of pelvic outlet

A

Ant- pubic arch
Lat- ischial tuberosities
Post- coccyx

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6
Q

Pelvic cavity:
Shallower, oval, bigger cavity, shorter wider flatter sacrum, pubic arch rounded, EVERTED ischial spine, obturator foramen rectangular or triangle

A

Female

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7
Q

Pelvic cavity:
Heart shaped inlet, smaller cavity and outlet, larger thinner curved sacrum, inverted ischial spine, round obturator foramen

A

Male

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8
Q

Measurement of inlet:

Sacral promontory to superior margin of pubic symphysis

A

True conjugate diameter

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9
Q

Measurement of inlet:
Sacral promontory to inferior pubic symphysis
Measured during IE

A

Diagonal conjugate

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10
Q

Measurement of inlet:
Shortest pelvic diameter fetal head must pass
Sacral promontory to few mm from top of pubic symphysis

A

Obstetrics conjugate

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11
Q

Measurement of outlet:

Distance bet ischial tuberosities

A

Transverse diameter

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12
Q

Measurement of inlet:

Distance bet ischial spines

A

Interspinous diameter

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13
Q

Typical type of pelvis

A

Gynecoid

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14
Q

Male or funnel shaped pelvis with contracted outlet

A

Android

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15
Q

Long narrow oval shaped pelvis

A

Anthropoid

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16
Q

Wide pelvis flattened at brim with promontory pushed forward

A

Platypelloid

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17
Q

Divide sciatic notches to Greater and Lesser sciatic foramen

A

Sacrotuberous and sacrospinous ligament

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18
Q

Separate greater and lesser notches

A

Ischial spine

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19
Q

Exit from pelvis into gluteal region

A

Greater sciatic foramen

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20
Q

Entrance into perineum from gluteal region

A

Lesser sciatic foramen

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21
Q

Structures pass both to greater and lesser sciatic foramen

A

Pudendal nerve
Nerve to obturator internus
Internal pudendal vessels

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22
Q

Structures in urogenital diaphragm

A

Sphincter urethrae

Deep transverse perineal

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23
Q

Levator ani + coccygeus

A

Pelvic diaphragm

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24
Q

Levator ani muscles

A

Puborectalis, pubococcygeus, iliococcygeus

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25
Q

Muscles most common torn during childbirth

A

Pubococcygeus and puborectalis

26
Q

Uterine prolapse caused by

A

Pelvic diaphragm weakness

27
Q

Divides perineum into genitourinary and anal triangle

A

Line from ischial tuberosities

28
Q

Scrotum, penis, urogenital passages (males)

External genitalia and orifice of urethra and vagina (females)

A

Urogenital triangle

29
Q

Anal canal, external anal sphincter and ischioanal fossae

A

Anal triangle

30
Q

Convergence of bulbospongiosus, external anal sphincter and superficial/dee transverse perineal m.

A

Perineal body

31
Q

Vascular erectile tissues of penis

A

2 corpora caverbosa and corpora spongiosum bundes by tunica albuginea

32
Q

Terminal part of corpus spongosiun

A

Glans penis

33
Q

Folded skin covering glans penis

A

Prepuce

34
Q

Median ventral fold of prepure

A

Frenulum

35
Q

Continuation of deep perineal fascia

Continuous with fascia covering eom and rectus sheath

A

Deep fascia of penis/ BUCKs fascia

36
Q

Fibrous layer envelopes corpora cavernosa and corpus spongiosum

A

Tunica albuginea

37
Q

Blood supply of penis

A

From internal pudenda arteries

38
Q

Lymph of penis

A

Skin- superficial inguinal

Deep- internal iliac nodes

39
Q

Homologous to penis

A

Clitoris

40
Q

Erectile tissues in clitoris

A

Crura, 2 corpora cavernosa

41
Q

Homologous to scrotum

A

Labia majora

42
Q

Hairless

No fat

A

Labia minora

43
Q

Contained in pudendal canal

A

Pudendal nerve

Internal pudendal vessels

44
Q

Fat filled spaces, supports anal canal and allowa distention during defacation

A

Ischioanal fossae

45
Q

Perineal fascia

A

Superficial/ Colle fascia

Deep/perineal membrane

46
Q

Between superficial perineal fascia and perineal membrane

A

Superficial perineal space

47
Q

Located deep to superficial perineal space. Extending from perineal membrane to pelvic diaphragm

A

Deep perineal space

48
Q

Bulbourethral gland (males), internal pudendal vessels, sphincter urethra, deep transverse perineal muscles

A

Deep perineal space

49
Q

Vessel Ends at pelvic inlet IN FRONT of SACROILIAC joint

A

Common iliac artery

50
Q

Branches of internal iliac artery

A

Umbilical, obturator, inferior vesical (males), vaginal (females), middle rectal, internal pudendal, uterine

51
Q

Major branches of internal pudendal artery

A

Inferior rectal

Perineal

52
Q

Pudendal nerve leaves pelvic cavity through

A

Greater sciatic foramen

53
Q

Pudendal nerve enters perineum through

A

Lesser sciatic foramen

54
Q

Branches of pudendal nerve

A

Inferior rectal
Dorsal nerve of penis/clitoris
Perineal

55
Q

Hallmark for pudendal block through transvaginal approach

A

Ischial spine

56
Q

Landmark for pudendal nerve block perineal procedure

A

Ischial tuberosities

57
Q

Urogenital sinus vesical part becomes what in male and female

A

Urinary bladder

58
Q

Urogenital sinus pelvic part becomes what in males

A

Prostatic and membranous urethra

59
Q

Urogenital sinus pelvic part becomes what in females

A

Urethra and lower vagina

60
Q

Urogenital sinus phallic part becomes what in males and females

A

Genital tubercle

ANA 2020 (16 decks)

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