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OB: Mom And Baby > Test 3 Information > Flashcards

Test 3 Information Flashcards

(63 cards)

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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
when is the CNS fully developed in utero?
38 weeks
26
when are the eyes fully developed in utero?
38 weeks
27
when are the teeth fully developed in utero?
38 weeks
28
when is the external genetalia fully developed in utero?
38 weeks
29
two fetal membranes that surround the developing embryo
chorion and amnion
30
purpose of the amniotic fluid
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
how much amniotic fluid should be in the amniotic sack
700-800mL of fluid
32
oligohydramnios
less than 300ccs of amniotic fluid
33
what would less amniotic fluid indicate in the baby?
kidney issues in the baby
34
polyhydramnios
over 2000ccs of amniotic fluid
35
What would alot of amniotic fluid indicate in the baby?
gastrointestinal issues and other malformations
36
wharton's jelly
connective tissue surrounding the vessels of the umbilical cord preventing compression of the vessels and ensuring continuous nourishment of the embryo or fetus
37
how many vessels are there supposed to be in the umbilical cord
2 arteries and 1 vein
38
what are we concerned about with a baby with a 2 vessel cord
growth and development
39
nuchal cord
cord wrapped around the baby's neck
40
when the the placenta completely done forming
12th week
41
what two hormones does the placenta produce
HCG and progesterone
42
how much should HCG levels increase
levels should double by 48 hours
43
viability
the capability of the fetus to survive outside of the uterus
44
ductus arteriorus
short vessel the connects the fetal pulmonary artery to the aorta and involutes following birth
45
ductus venosus
shunt that allows oxygenated blood in the umbilical vein to bypass the liver and is essential for normal fetal circulation
46
foramen ovale
hole in between the right and left atrium that allows blood to cross the atria and bypass pulmonary circulation during fetal development
47
at what day is maternal-placental-embryonic circulation in place
day 17
48
when can chorionic villi sampling be done
8th week; however sampling done before the 10th week can cause limb defects
49
Endocrine function of the placenta
produces four hormones that are necessary to maintain the pregnancy and support the embryo and fetus: HCG, human placental lactogen, progestrone, estrogens
50
Functions of HCG hormone
preserves the function of the corpus luterum ensuring the continued supply of estrogen and progesterone needed to maintain the pregnancy
51
when can HCG be detected in the blood
6-8 days after conception
52
when can HCG be detected in the urine
6-8 days after conception
53
functions of human placental lactogen
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
functions of progesterone in pregnancy
maintains the endometrium, decreases the contractility of the uterus, and stimulates maternal metabolism and development of breast alveoli
55
where does the blood arrive into fetal circulation
blood arrives via the umbilical vein
56
what is the first stop for the blood after it has entered fetal circulation
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
Amniocentesis
aspiration of amniotic fluid for analysis by insertion of a needle through the abdomen into the clients uterus.
58
when can a amniocentesis be performed
starting at the 14th week and up until the 20th week
59
what can you assess for through an amniocentesis
chromosomal issues
60
what 5 things are a part of the biophysical profile
fetal heart rate, fetal breathing movements, gross fetal movements, fetal tone, and amiotic fluid
61
scores for fetal heart rate
reactive in the NST - 2 non reactive in the NST - 0
62
scores for fetal breathing movements
1 episode of breathing longer than 30 seconds in the 20 min scan - 2 absent or less than 30 second duration - 0
63

OB: Mom And Baby (6 decks)

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