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MCN > physiologic changes during preg > Flashcards

physiologic changes during preg Flashcards

1
Q

during pregnancy endometrium becomes specialized & is called

A

decidua

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2
Q

during pregnancy uterus leaves pelvis & ascends to

A

abdominal cavity

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3
Q

uterus length increases to

A

6.5 to 32 cm

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4
Q

uterus depth increases to

A

2.5 to 22 cm

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5
Q
A
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6
Q

uterus width expands to

A

4 to 24 cm

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7
Q

uterus weight increases to

A

50-1000 g

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8
Q

changes in shape and size of uterus include

A

stretching & marked hypertrophy of muscle cells

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9
Q

38wk AOG, fetal head settles in pelvis to prepare for birth; breathing is much easier it seems to lighten a woman’s load

A

primigravida

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10
Q

in multipara, lightening is

A

not predictable

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11
Q

is a painless, irregular rhythm, infrequent, and cervix does not progress

A

false labor/braxton hicks

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12
Q

it is painful, rhythmic, frequent, cervix thins and dilates

A

true labor

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13
Q

Towards end of pregnancy, ___ of a woman’s blood supply is circulating through uterus at any given time

A

1/6

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14
Q

Pre-pregnancy blood flow

A

15 to 20 mL/min

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15
Q

during rregnancy blood flow increases to

A

500 to 750 mL/min, with 75% going to placenta

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16
Q

one finger of an examiner is placed in vaginaother hand on abdomen

A

bimanual pelvic exam

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17
Q

tenacious coating of mucus plug seals out bacteria during pregnancy
helps prevent infection in fetus and membranes

A

operculum

18
Q

these makes the cervix swollen and softer during pregnancy

A

estrogen and progesterone

19
Q

towards labor, what happens to cervix

A

decreases in length and opens

20
Q

vaginal mucosa becomes dark-bluish red & congested

A

chadwick’s sign

21
Q

during labor, vagina becomes hypertrophic and enriched with

A

glycogen

22
Q

increased estrogen & progesterone sends negative feedback to anterior pituitary to halt production of

A

FSH & LH

22
Q

main source of progesterone until 8 wks & is completely obliterated by 20 wks

A

corpus luteum

23
Q

is produced at the end of pregnancy

A

colostrum

24
Q

hypertrophic sebaceous glands at each areola
secretions keep nipples supple and helps prevent cracking and drying during lactation

A

glands of montgomery

25
Q

CO increased by __% as early as 5 wks AOG

A

25-50

26
Q

Resting HR increases by ___ BPM

A

10-15

27
Q

heart is displaced to the

A

left and upward

28
Q

apex is moved ___, producing larger cardiac silhoutte on chest radiograph

A

laterally

29
Q

this happens due to upward displacement of diaphragm
greater awareness of a desire to breathe even without cardiopulmonary abnormalities

A

physiologic dyspnea

30
Q

physiologic dyspnea is mainly due to

A

progesterone

31
Q

nausea & vomiting in 70% of pregnancies
typically resolve by 14–16 weeks
elevations in estrogen, progesterone, HCG
hypoglycemia

A

morning sickness

32
Q

pathologic morning sickness
associated with weightloss, ketosis, and loss of electrolytes

A

hyperemesis gravidarum

33
Q

this happens due to reflux of acidic secretions
altered stomach position
reduction in LES tone
increased intragastric pressure
decreased peristalsis

A

heart burn or pyrosis

34
Q

__ impairs gallbladder contraction
increasing risk for gallstones

A

progesterone

35
Q

Pregnancy is a ___ state

A

hyperestrogenic

36
Q

this functions to ensure lactation

A

prolactin

37
Q

increased close to term needed for uterine contraction

A

oxytocin

38
Q

increased due to hyperplasia of thyroid gland

A

thyroid hormones (T3&T4)

39
Q

transient pregnancy related

A

memory decline

40
Q

brownish opacities on posterior cornea

A

krukenberg spindles

41
Q

shift of center of gravity over lower extremities
joint laxity and discomfort

A

progressive lordosis

MCN (8 decks)

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