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OB: Mom And Baby > Test 3 Information > Flashcards

Test 3 Information Flashcards

1
Q

conception

A

the uniont of a single egg and sperm

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2
Q

sequential process of conception

A

gamete formation, ovulation, fertilization, and implantation

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3
Q

capacitation

A

removal of sperm protective coating

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4
Q

where does fertilization occur?

A

in the outer 2/3 of the fallopian tubes

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5
Q

when does implantation occur?

A

6-10 days after fertilization

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6
Q

what can you experience as a result of implantation?

A

spotting because of the implantation site

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7
Q

ectoderm

A

pituitary gland, nails, hair - epidermis

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8
Q

mesoderm

A

bladder, different big organ systems, cardiovascular system, muscles

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9
Q

endoderm

A

inside of the bladder, linings of the digestive tract, oral pharynx, components of the liver

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10
Q

when is the baby considered am enbryo

A

15 days to 8 weeks

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11
Q

oogenesis

A

the process of egg formation

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12
Q

spermatogenesis

A

the process of sperm formation

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13
Q

how long is the ovum considered fertile for after ovulation

A

24 hours

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14
Q

acrosome

A

cap on the sperm

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15
Q

when does oogenesis occur in females

A

in utero

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16
Q

how many eggs are being formed while in utero?

A

2 million eggs

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17
Q

how many oocytes mature and ovulate during a womans time of child bearing years

A

400-500 eggs

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18
Q

how much sperm is in one sample of sperm

A

200-500 million

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19
Q

zona reaction

A

when the sperm and oocyte meet and a capsule is formed around them to prevent further sperm to fertilize that egg

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20
Q

when is the heart fully developed in the embryo

A

8 weeks

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21
Q

when are the upper limbs fully developed in the embryo

A

8 weeks

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22
Q

when are the lower limbs fully developed in the embryo

A

8 weeks

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23
Q

when is the palate fully developed in utero

A

9 weeks

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24
Q

when are the ears fully developed in utero?

A

16 weeks

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25
Q

when is the CNS fully developed in utero?

A

38 weeks

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26
Q

when are the eyes fully developed in utero?

A

38 weeks

27
Q

when are the teeth fully developed in utero?

A

38 weeks

28
Q

when is the external genetalia fully developed in utero?

A

38 weeks

29
Q

two fetal membranes that surround the developing embryo

A

chorion and amnion

30
Q

purpose of the amniotic fluid

A

helps to maintain fetal body temp

serves as a repository for waste

provides nutrients such as proteins, electrolytes, immunoglobulins, and vitamins

protects the baby from shock

also protects the baby from infection

31
Q

how much amniotic fluid should be in the amniotic sack

A

700-800mL of fluid

32
Q

oligohydramnios

A

less than 300ccs of amniotic fluid

33
Q

what would less amniotic fluid indicate in the baby?

A

kidney issues in the baby

34
Q

polyhydramnios

A

over 2000ccs of amniotic fluid

35
Q

What would alot of amniotic fluid indicate in the baby?

A

gastrointestinal issues and other malformations

36
Q

wharton’s jelly

A

connective tissue surrounding the vessels of the umbilical cord preventing compression of the vessels and ensuring continuous nourishment of the embryo or fetus

37
Q

how many vessels are there supposed to be in the umbilical cord

A

2 arteries and 1 vein

38
Q

what are we concerned about with a baby with a 2 vessel cord

A

growth and development

39
Q

nuchal cord

A

cord wrapped around the baby’s neck

40
Q

when the the placenta completely done forming

A

12th week

41
Q

what two hormones does the placenta produce

A

HCG and progesterone

42
Q

how much should HCG levels increase

A

levels should double by 48 hours

43
Q

viability

A

the capability of the fetus to survive outside of the uterus

44
Q

ductus arteriorus

A

short vessel the connects the fetal pulmonary artery to the aorta and involutes following birth

45
Q

ductus venosus

A

shunt that allows oxygenated blood in the umbilical vein to bypass the liver and is essential for normal fetal circulation

46
Q

foramen ovale

A

hole in between the right and left atrium that allows blood to cross the atria and bypass pulmonary circulation during fetal development

47
Q

at what day is maternal-placental-embryonic circulation in place

A

day 17

48
Q

when can chorionic villi sampling be done

A

8th week; however sampling done before the 10th week can cause limb defects

49
Q

Endocrine function of the placenta

A

produces four hormones that are necessary to maintain the pregnancy and support the embryo and fetus: HCG, human placental lactogen, progestrone, estrogens

50
Q

Functions of HCG hormone

A

preserves the function of the corpus luterum ensuring the continued supply of estrogen and progesterone needed to maintain the pregnancy

51
Q

when can HCG be detected in the blood

A

6-8 days after conception

52
Q

when can HCG be detected in the urine

A

6-8 days after conception

53
Q

functions of human placental lactogen

A

similar to growth hormone and stimulates the maternal metabolism to supply nutrients needed for fetal growth

increases the resistance to insulin, facilitates glucose transport across the placental membrane, stimulates breast development to prepare for lactation

54
Q

functions of progesterone in pregnancy

A

maintains the endometrium, decreases the contractility of the uterus, and stimulates maternal metabolism and development of breast alveoli

55
Q

where does the blood arrive into fetal circulation

A

blood arrives via the umbilical vein

56
Q

what is the first stop for the blood after it has entered fetal circulation

A

the liver, but most of it bypasses the liver using the ductus venosus to then head to the inferior vena cava of the heart

57
Q

Amniocentesis

A

aspiration of amniotic fluid for analysis by insertion of a needle through the abdomen into the clients uterus.

58
Q

when can a amniocentesis be performed

A

starting at the 14th week and up until the 20th week

59
Q

what can you assess for through an amniocentesis

A

chromosomal issues

60
Q

what 5 things are a part of the biophysical profile

A

fetal heart rate, fetal breathing movements, gross fetal movements, fetal tone, and amiotic fluid

61
Q

scores for fetal heart rate

A

reactive in the NST - 2
non reactive in the NST - 0

62
Q

scores for fetal breathing movements

A

1 episode of breathing longer than 30 seconds in the 20 min scan - 2
absent or less than 30 second duration - 0

63
Q
A

OB: Mom And Baby (6 decks)

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