Ch. 18 Obstetrics Study Guide Flashcards

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1
Q

What is the name of a physician who specializes in the care of women during pregnancy?

A

obstetrician

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2
Q

How long is gestation?

A

40 weeks - 3 trimesters

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3
Q

An ovum is . . .

A

female sex cell

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4
Q

How long can mature ovum survive?

A

24 hours

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5
Q

How long can sperm survive?

A

24 - 72 hours in cervical crypts

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6
Q

Fertilization usually takes place in the outer ______ of the fallopian tube.

A

1/3 - part closest to the ovary

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7
Q

A zygote is . . .

A

fertilized ovum

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8
Q

An article of conception is considered an embryo in what time span?

A

2nd - 8th weeks

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9
Q

An article of conception is considered a fetus after what time span?

A

9 weeks

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10
Q

The amniotic sac is a strong, thin-walled sac. What is the purpose?

A

to protect the growing fetus

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11
Q

The outer layer of the amniotic sac is called?

A

chorion

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12
Q

The inner layer of the amniotic sac is called?

A

amnion

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13
Q

What is the function of amniotic fluid?

A

cushions and protects the fetus

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14
Q

What is the placenta?

A

highly vascular, disk-shaped organ that forms in the pregnant uterine wall for exchange of nutrients and gases between the mother and fetus

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15
Q

What are the 4 functions of the placenta?

A

fetal respiration
nutrition
excretion
produces hormones HCG, estrogen, and progesterone

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16
Q

The umbilical cord arises from the center of the placenta. What is the function?

A

lifeline between mother and fetus

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17
Q

Does the blood mix between the baby and mother?

A

not the firstborn

possible Rh incompatibility in future children

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18
Q

Lacatation =

A

breastfeeding

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19
Q

Amenorrhea =

A

absence of menstruation

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20
Q

The uterus grows from ________ to _________ during pregnancy.

A

2 oz to 2 lbs

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21
Q

The cervix and vagina take on a bluish-violet hue, this is called . . .?

A

Chadwick’s sign
due to increased blood flow
early sign of pregnancy

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22
Q

Softening of the cervix is called?

A

Goodell’s sign

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23
Q

Increased vaginal discharge at the beginning of pregnancy . . .

A

leukorrhea

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24
Q

What changes happen to the breasts during pregnancy?

A

increase in size

areola becomes darkly pigmented

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25
Q

What is colostrum?

A

thin, yellowish fluid secreted by breasts the first few days after delivery

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26
Q

Why is it better for pregnant women to lie on their side?

A

to prevent supine hypotension

relieve pressure on abdominal blood vessels

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27
Q

Why do women have more urination during the first 3 months of pregnancy?

A

the increased size of the uterus creates additional pressure on the bladder

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28
Q

What is chloasma?

A

mask of pregnancy

fades over time

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29
Q

What is a normal weight gain during pregnancy?

A

20 - 30 lbs

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30
Q

EDC

A

estimated date of confinement

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31
Q

EDD

A

estimated date of delivery

32
Q

HCG

A

human chorionic gonadotropin

33
Q

LMP

A

last menstrual period

34
Q

SVD

A

spontaneous vaginal delivery

35
Q

What formula is used to calculate the estimated date of confinement (EDC)?

A

Nagele’s rule

36
Q

What is Nagele’s rule?

A

Subtract 3 mos from the beginning of LMP

add 7 days to the date

37
Q

Amnion =

A

inner of two membrane layers that surround and contain the fetus and amniotic fluid

38
Q

Braxton-Hicks contractions =

A

irregular, ineffective contractions of the uterus

39
Q

Coitus =

A

sexual intercourse, copulation

40
Q

Doppler =

A

listening device for fetal heartbeat

41
Q

Edema =

A

swelling, water retention

42
Q

Effacement =

A

thinning of the cervix

43
Q

Episiotomy =

A

incision of the perineum

44
Q

Fundus =

A

top of the uterus

45
Q

Gestation =

A

term of pregnancy

46
Q

Gravida =

A

pregnant

47
Q

Lithotomy position =

A

lying on back, knees bent, heels in elevated foot rests

normal delivery position

48
Q

Multigravida =

A

multiple pregnancies

49
Q

Para =

A

given birth = deliveries

50
Q

Multipara =

A

given birth more than once

51
Q

Pyrosis =

A

heartburn

52
Q

Preeclampsia =

A

high blood pressure
proteinuria
edema
= after 20 weeks gestation

53
Q

Salpingectomy =

A

removing (1 or 2) fallopian tube(s)

54
Q

Oophorectomy =

A

removing (1 or 2) ovary(ies)

55
Q

Bilateral salpingo-oophorectomy (BSO) =

A

removing both tubes and ovaries

56
Q

Dilation =

A

up to 10 cm

57
Q

Abortion (medical term) =

A

miscarriage / spontaneous abortion
usually happens during 1st trimester
bleeding, cramping, pressure

58
Q

If all products of conception are not expelled, what is necessary?

A

D&C

59
Q

Abruptio placenta =

A

premature separation of the placenta from the uterine wall after 20 weeks of gestation or labor

60
Q

Symptoms of abruptio placenta =

A

board-like firmness to the abdomen

with tenderness and bleeding

61
Q

Placenta previa =

A

placenta is implanted in the lower uterus over the cervical opening

62
Q

Symptoms of placenta previa =

A

causes bleeding during the 3rd trimester

63
Q

Ectopic pregnancy =

A

tubal pregnancy

usually rupture between 6-12 weeks

64
Q

Symptoms of ectopic pregnancy =

A

vaginal spotting

sharp abdominal pain

65
Q

Treatment of ectopic pregnancy =

A

surgery is performed if it hasn’t ruptured,

if it has ruptured a salpingectomy is done

66
Q

Gestational diabetes =

A

developing diabetes during pregnancy

67
Q

When does gestational diabetes usually present?

A

latter part of pregnancy

increased risk with obesity, positive diabetic family history, birthing large babies, and maternal age over 30

68
Q

Hyperemesis gravidarum =

A

severe vomiting during pregnancy

69
Q

Incompetent cervix =

A

cervical os (opening) dilates before term, spontaneous abortion results

70
Q

What is the treatment for an incompetent cervix?

A

suturing the cervix = cerclage

sutures removed near the end of pregnancy

71
Q

What is Rh incompatibility?

A

incompatibility between an Rh negative mother’s blood with her Rh positive baby’s blood causing the mother’s body to develop antibodies that will destroy the Rh positive blood.

72
Q

Amniocentesis =

A

surgical puncture of the amniotic sac to extract amniotic fluid

73
Q

Why is an amniocentesis performed?

A

test DNA for abnormalities

74
Q

Cesarean section =

A

abdomen and uterus are incised

baby is delivered transabdominally

75
Q

Pelvic ultrasound =

A

high frequency sound wave to examine the abdomen and pelvis