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Maternal Exam 1 > Week 3 Quiz Vocab > Flashcards

Week 3 Quiz Vocab Flashcards

1
Q

Conception

A

Union of egg and sperm at the beginning of pregnancy

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2
Q

Mitosis

A

Type of reproduction where cells replace and repair themselves

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3
Q

Meiosis

A

Another type of reproduction where germ cells are dividing & halving their chromosomal count from 46 to 23 to produce gametes

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4
Q

Oogensis

A

Described egg formation which begins during fetal life in the female

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5
Q

Zygote

A

Means the sperm and egg united together

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6
Q

Spermatogenesis

A

Occurs when a male reaches puberty by testes releasing androgens in order to form sperm

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7
Q

ovum

A

egg

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8
Q

zona pellucida

A

thick inner layer around the ovum

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9
Q

corona radiata

A

outer layer of ovum formed by elongated cells

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10
Q

Capacitation

A

Removal of protective coat from the head of sperm

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11
Q

Fertilization

A

Union of the human egg and sperm in the ampulla or outer third of fallopian tube

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12
Q

zonal reaction

A

When an egg is impenetrable to other sperm

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13
Q

cleavage

A

mitotic cellular replication

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14
Q

morula

A

solid ball of cells

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15
Q

trophoblast

A

part of that gives rise to placenta

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16
Q

embryoblast

A

part that gives rise to the embryo

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17
Q

blastocyst

A

Product of a recognizable cavity that describes the whole embryo

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18
Q

Implantation

A

Burrowing of the trophoblast into the endometrium until the blastocyst is covered

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19
Q

Chorionic villi

A

Fingerlike projections that receive o2 and nutrients while also getting rid of CO2 into moms blood

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20
Q

decidua basalis

A

Portion directly under blastocyst where villi tap into maternal blood vessels

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21
Q

ectoderm

A

Upper layer of embryonic disk; gives rise to epidermis where all skin, nails, ns, eye, and tooth

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22
Q

mesoderm

A

Middle layer that gives rise to bones and teeth, muscles, and connective tissue, cardiovascular, spleen, and urogenitals

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23
Q

endoderm

A

Lower layer that gives rise to respiratory and digestive systems, organs like liver, pancreas, urethra, bladder, and vagina. Roof of yolk sac

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24
Q

embryo stage

A

day 15 to 8 weeks

most critical time of organ development and external features

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25
Q

teratogens

A

Substances and exposures that can cause abnormalities in child

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26
Q

Chorion

A

Develops from trophoblast and contains chorionic villi on surface

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27
Q

amnion

A

inner cell membrane

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28
Q

amniotic fluid

A

maintains constant fetal body temp
source of oral fluid and respiratory waste
assisting in maintenance of fluid & electrolytes

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29
Q

oligohydramnios

A

Having less than 300 mL of amniotic fluid

30
Q

hydradamnios or polyhydraminos

A

Having more than 2L of amniotic fluid

31
Q

nuchal cord

A

Cord is wrapped around the fetal neck

32
Q

human chorionic gonadoptropin

A

protein hormone can be detected in the maternal serum by 8-10 days after conception shortly after implantation

33
Q

human placental lactogen

A

chorionic somatotropin

34
Q

Braxton hicks contractions

A

painless contractions that occur intermittently after the first trimester in order to enhance movement of blood

35
Q

fetus stage

A

9 weeks till pregnancy ends

36
Q

Viability

A

capability of the fetus to survive outside the uterus and is usually defined by fetal weight and pregnancy duration for statistical purposes

37
Q

ductus arteriosus

A

special circulatory pathway that bypasses the lungs bc fetal lungs do not do gas exchange

38
Q

ductus venosus

A

one of the two branches that branches in the liver on its way to the atrium but first mixing with deoxygenated blood of the fetal legs and abdomen

39
Q

foramen ovale

A

an opening into the left atrium where deoxygenated blood that is from the fetal lungs and through the pulmonary veins

40
Q

Hematopoiesis

A

formation of blood that occurs in the yolk sac beginning in the third week

41
Q

surfactants

A

Surface-active phospholipids, in amniotic fluid is used to determine the degree of fetal lung maturity or the ability of lungs to function after birth

42
Q

L/S ratio

A

measure of lecithin in relation to sphingomyelin

  • when it reaches 2:1 ration that means the lungs are mature
43
Q

meconium

A

fetal waste products that accumulate in the intestines as dark green to black, tarry colored which is normally passed through the rectum at 24 hrs of birth

44
Q

vernix caseosa

A

material that protects

45
Q

Lanugo

A

very fine hairs on the eyebrows and upper lips which eventually grow to cover the entire body

46
Q

dizygotic twins

A

two zygotes formed by fertilization of separate sperm

47
Q

monozygotic twins

A

development from one fertile ovum and then dividing

48
Q

hypoxemia

A

Deficiency of oxygen in the blood

49
Q

hypoxia

A

Occurs when hypoxemia is untreated and there is an inadequate supply of oxygen to the cells that can cause metabolic acidosis

50
Q

acidemia

A

increased hydrogen content (decreased ph)

51
Q

intermittent ausculatation

A

Listening to fetal heart sounds at periodic intervals to assess the FHR

52
Q

contraction intensity

A

usually described as mild, moderate, or strong

53
Q

contraction frequency

A

measured in minutes

54
Q

resting tone

A

tone described as soft or hard in between when contractions occur

55
Q

spiral electrode

A

part of the internal mode of the electronic fetal monitoring system that assesses the FHR and intrauterine pressure catheter

56
Q

ultrasound transducer

A

type of transducer that works by reflecting high frequency sound waves off a moving interface such as fetal heart and valves

57
Q

toco transducer

A

measures UA transabdominally

58
Q

montevideo units

A

subtracting the baseline uterine pressure from peak contraction pressure for each contraction within a 10 minute window .
Then add together the pressures by each contraction that occurs during that period of time

59
Q

Baseline fetal heart rate

A

Avg heart rate during 10 minutes - but does not include any abnormalities in HR such as variability, changes, or more than 25/beats per min

60
Q

Variability

A

irregular waves of fluctuations in baseline FHR of 2 cycles per min or greater

61
Q

tachycardia

A

baseline FHR greater than 160

62
Q

Bradycardia

A

baseline FHR less than 110 beats

63
Q

Acceleration

A

abrupt increase in FHR above baseline or 160

64
Q

Periodic changes

A

occur with UCs

65
Q

Episodic changes

A

not associated with UCs

66
Q

Early deceleration

A

visual and gradual decrease in and return to baseline FHR associated with UCs

67
Q

Late deceleration

A

visual and gradual decrease in and return to baseline FHR

68
Q

Variable deceleration

A

a noticeable and abrupt decrease in FHR below baseline 110

69
Q

prolonged deceleration

A

noticeable decrease in FHR of at least 15 beats/min below baseline and lasting longer than 2 min while still being less than 10 min

70
Q

Amnioinfusion

A

infusion of room temp isotonic fluid into uterine cavity

Maternal Exam 1 (9 decks)

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