Lesson 6 Part 2 Flashcards

1
Q

It usually occurs in the second phase of menstrual cycle

A

Implantation

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2
Q

It cause the placenta to block the cervix as it grows and enlarges, results in _______

A

Placenta previa

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3
Q

Stages of fetal development

A
  1. Pre-embryonic stage
  2. Embryonic stage
  3. Fetal stage
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4
Q

Fetal development: Weeks 3 through 8

A

Embryonic stage

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5
Q

Fetal development: the first two weeks beginning with fertilization

A

Pre-embryonic stage

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6
Q

Fetal development: Weeks 8 through birth

A

Fetal development

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7
Q

A miniature villi, resembling probing fingers is termed as

A

Chorionic villi

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8
Q

How many villi are formed in chorionic villi

A

200 villi

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9
Q

The chorionic villi manufactures what?

A

Human Chorionic Gonadotropin

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10
Q

The outer portion of chorionic villi has 2 layers

A

Syncytiotrophoblast
Cytotrophoblast

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11
Q

Outer layer of chorionic villi or synctial layer

A

Syncytiotrophoblast

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12
Q

Inner layer of chorionic villi, present at 12 days of gestation

A

Cytotrophoblast

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13
Q

The syncytiotrophoblast produces ???

A

Human Chorionic Gonadotropin (HCG)
Estrogen
Progesterone
Human Placental Lactogen (Somatonammotropin)

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14
Q

This layer of chorionic villi has protection from infections of spirochetes of syphilis

A

Cytotrophoblast

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15
Q

Protects the growing embryo from spirochetes of syphilis

A

Cytotrophoblast

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16
Q

Cytotrophoblast appears between the ______ of pregnancy

A

20th and 24th week

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17
Q

What is the latin for placenta

A

Pancake

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18
Q

It serves as fetal lungs, kidneys, git, a separate endocrine organ throught pregnancy

A

Placenta

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19
Q

It is a temporary organ shared by the mother and fetus

A

Placenta

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20
Q

Mature placenta has 30 segments called

A

Cotyledons

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21
Q

It aids in maintaining pressure in the intervillous spaces by closing off the veins

A

Braxton hicks contraction

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22
Q

It is efficient when the woman lies on the left side lifting the uterus away

A

Uterine perfusion and placental circulation

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23
Q

Placenta usually weighs

A

400-600 g / 1 lb

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24
Q

The placenta is fully functional at _______ week of pregnancy

25
Give functions of placenta
Nutrition Excretion Respiration Immunity
26
What are the 4 endocrine function
Human Chorionic Gonadotropin (HCG) Estrogen Progesterone Human Placental Lactogen
27
The first placental hormone produced
Human Chorionic Gonadotropin
28
It can be found in maternal blood and urine as early as the first missed menstrual period
Human Chorionic Gonadotropin
29
It ensure that corpus luteum of the ovary continues to produce progesterone and estrogen
Human Chorionic Gonadotropin
30
Normal HCG ??
50 million - 100 million international unit
31
2nd product of synctial cells of placenta
Estrogen
32
It stimulates the uterine growth to accomodate growing fetus
Estrogen
33
It is known as the "hormone of mother"
Progesterone
34
It is necessary to maintain the endometrial lining of the uterus during pregnancy
Progesterone
35
It reduces the contractility of the fetus
Progesterone
36
It is present pills; used for premature contraction
Progesterone
37
Another term for Human Placental Lactogen
Somatomammotropin
38
A hormone with both growth promoting and lactogenic properties
HPL
39
It has important role of regulating maternal glucose, protein, and fat levels
Human Placental Lactogen
40
What are the two hormones in pregnancy
Human Chorionic Gonadotropin Human Placental Lactogen
41
It promotes mammary growth
Human Placental Lactogen
42
It provides a circulatory pathway that connects the embryo to the CV of placenta
Umbilical cord
43
Transport 02 and nutrients to the fetus from placenta and return waste products to placenta
Umbilical cord
44
Gelatinous mucopolysaccharide, which gives the cord body and prevents the pressure on the blood volume
Wharton's jelly
45
Outermost fetal membrane
Chorionic membrane
46
Inner layer fetal membrane
Amniotic Membrane or Amnion
47
2nd membrane lining the chorionic membrane forms beneath the chorion
Amniotic membrane
48
It supports and produce amniotic fluid
Amniotic membrane or amnion
49
In which the fetus floats or fetus swallows it
Amniotic fluid
50
Normal amount or volume of amniotic fluid
800-1200 ml
51
What is the main reason if the fetus is unable to swallow
Esophageal atresia Anencephaly
52
Excessive amniotic fluid
Hydramnios
53
Reduction in the amount of amniotic fluid
Oligohydramnios
54
What is the ml for hydramnios
More than 2000 ml
55
What is the ml for oligohydramnios
Less than 300 ml
56
Cheesy like substance that covers the fetal skin
Vernix caseosa
57
Soft-hair covering the fetus
Lanugo
58
How many umbilical arteries and vein?
2 umbilical arteries 1 umbilical vein
59
What is the rate of blood flow through the cord
350 ml/min