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Registry Review OB/GYN > Anatomy of Uterus, Cervix, and Vagina > Flashcards

Anatomy of Uterus, Cervix, and Vagina Flashcards

1
Q

The lower segment of the cervix extends slightly into the vaginal canal which forms the _____

A

Vaginal fornicies

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2
Q

The vaginal wall should mot exceed ___ in thickness

A

1cm

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3
Q

The average vaginal cuff should measure _____

A

1.4cm

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4
Q

What is the inner mucous layer of the uterus

A

Endometrium

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5
Q

What us the muscluar layer of the uterus

A

Myometrium

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6
Q

What is the outer serous layer of the uterus

A

Perimetrium or serosa

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7
Q

____ : the opening from the uterus into the cervix

A

Internal os

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8
Q

___: opening from cervix to vagina

A

External os

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9
Q

The corpus is another name for what part of the uterus

A

Body

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10
Q

___: lower portion of the corpus connected to the cervix

A

Isthmus

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11
Q

___: the short segment between the body and cervix in a pregnant patient

A

Lower uterine segment

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12
Q

What structure connects the uterine cavity with the vagina

A

Cervix

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13
Q

What are the two layers of the endometrium

A
  • supeficial/ functional layer

- deep or basal layer

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14
Q

Which layer of the endometrium is shed during menstruation

A

Functional layer

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15
Q

What ar the ligaments that suspend the uterus in the pelvic cavity

A
  • round
  • cardinal
  • uterosacral
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16
Q

What is the relationship of the uterus to the bladder ans rectosigmoid colon

A
  • posterior to blader

- anterior to rectosigmoid colon

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17
Q

Size of nulliparous uterus

A
  • length: 6-8.5cm
  • AP: 2-4cm
  • width: 3-5cm
18
Q

Normal uterus mmts for multiparous women

A
  • length: 8-10.5cm
  • AP: 3-5cm
  • width: 4-6cm
19
Q

In a neonatal uterus the Cervix is larger or smaller than the body/ fundus

A

2x larger

20
Q

In a multiparous adult what is the body to cervix ratio

A

Body is 2x linger than cervix

21
Q

What is the uterine position where the uterus forms less than a 90 degree angle with the cervix

A

Anteverted

22
Q

What uterine position is sen when the uterine body has a sharp angle with the cervix

A

Anteflexed

23
Q

What uterine position is shown when the uterine body tips posteriorly with a small angle between the corpus ans the cervix

A

Retroverted

24
Q

What uterine position is shown when the uterine body folds posteriorly at a very sharp angle toward the cerix

A

Retroflexed

25
Q

___: uterine body flexed to the right

A

Dextroflexed

26
Q

___: uterine body flexed to the left

A

Levoflexed

27
Q

___: entire uterus is displaced to the left

A

Levoposition

28
Q

What is the msot common uterine position

A

Anteverted

29
Q

What is the normal flow of uterine artery

A

Moderate velocity with high resistance

30
Q

What is the relation of the internal iliac artery to the vein

A

Anterior

31
Q

The uterine artery is an anterior segment branch of what vessel

A

Internal iliac artery

32
Q

The vaginal artery branches from what

A

Uterine artery

33
Q

How is blood supplied to the ovaries

A

Uterine artery and ovarian artery

34
Q

The uterine atery gives rise to what

A

Arcuate arteries

35
Q

Where can arcuate arteries been seen

A

Around th periphery of the uterus

36
Q

The arcuate arteries give rise to what

A

Radial arteries

37
Q

Radial arteries branch into what arteries

A

Spiral and straight arteries

38
Q

Straight arteries supply what part of the uterus

A

Endometrium

39
Q

Spiral arteries supply what part of the uterus

A

Functional layer of the endometrium

40
Q

The uterine veins empty into what

A

Internal iliac veins

41
Q

The internal and external iliac veins merge together to form what

A

Common iliac vein

Registry Review OB/GYN (31 decks)

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