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maternal health 8,9,10
ch 8,9,10
32
Nursing
Undergraduate 1
02/15/2012

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Cards

Term
Where is the chemical hCG produced?
Definition
in the uterus by the chorionic villi
Term
What does amniotic fluid consist of?
Definition
98% water, glucose, protiens, urea, lanugo, and vernix
Term
vernix caseosa
Definition
white, cheesy covering on the fetus's skin
Term
what are the functions of the amniotic fluid?
Definition
-maintains temp
-equalizes pressure
-cusions the fetus
-prevents the fetal menbrane from adhering to the fetus
-allows the fetus to move freely
-allows the fetus fluid to swallow
Term
whartons jelly
Definition
white gelatinous tissue inside the umbilical cord. It protects the two arteries and the vein
Term
when is normal gestation of the fetus
Definition
40 weeks
-gestation is the fetal development
Term
when is the fertilized egg considered an embryo?
Definition
stage 2 weeks 3-8
Term
when does the embryo become a fetus?
Definition
stage 3. weeks 9-38 to 40
Term
what are the three embryonic germ layers?
Definition
endoderm, mesoderm, ECTODERM
Term
sufactant
Definition
lowers the surface tension within the alvioli, allowing some air to remain in the alveoli after exhalation. made of phospholipids. production matures by 35th week.
Term
what is considered the age of viability of a fetus?
Definition
24 weeks
Term
explain the function of the umbilical arteries
Definition
it allows for blood flow from the internal illeac arteries to the fetus
Term
explain the function of the umbilical vein?
Definition
blood flows from the placenta to the fetus through the vein. After entering the fetal abdomen, it divides into two branches. The vein then carries blood to the liver and the ductus venosous carries the blood to the inferior vena cava.
Term
at what gestational age does the meconium develope?
Definition
16 weeks
Term
at what gestational age does the mother feel quickening?
Definition
between weeks 16 and 20
Term
lanugo
Definition
a fine, downy hair that covers the fetus' body. It begins to disappear in the 28th week.
Term
vernix caseosa
Definition
white cheesy substance that protects the skin from the amniotic fluid. It gradually is absorbed into the skin leaving a small amount on lower back and body folds.
Term
who is at greatest risk of chromosomal abnormalities?
Definition
-young teenagers
-women over 30
-women with family history
Term
teterogen
Definition
a chemical that can cause abnormal fetal development. can cause defects in the fetal embryo
Term
endoderm (inner layer)
Definition
developes the...
-respiratory system
-GI system (liver and pancreas)
-bladder and urethra
Term
mesoderm (middle layer)
Definition
-musclular system
-skeletal system
-heart, blood, and blood vessels
-spleen
-urinary
-reproductive
Term
ectoderm (outer layer)
Definition
-skin
-nervous system
-sense organs
-mouth and anus
Term
fetoscope
Definition
older assessment tool, like a stethoscope, used to obtain a fetal heart rate by the 14-16 week
Term
when should a primary care provider be contacted when a mother is assessing fetal movement?
Definition
- there are fewer than 10 movements in 3 hours
- takes longer each day to record ten movements
- fetal movements are absent
Term
what are the risks of invasive prenatal testing?
Definition
-premature rupture of the fetal membrane
-placental detachment
-hemorrhage (mother and fetus)
-infection
Term
fetal non-stress test
Definition
-assess fetal movement and fetal heart rate
-fetal heart rate increases with activity
-fetal movement can be stimulated with a low frequency vibrator
- reactive or narmal if two episodes of increase in fetal heart rate of 15 bpm lasting 15 seconds occur in a 20 minute period
Term
what five things are assessed when performing a fetal non stress test?
Definition
-fetal breathing
- fetal movement
-fetal tone
-amniotic fluid volume
-fetal reaction
Term
what ar ethe presumtive signs of preganancy?
Definition
-amenorrhea (breast changes)
-nausea and vomiting
-urinary frequency and fatigue
- abdominal enlargement and quickening
Term
probable signs of pregnancy
Definition
-positive pregnancy test
-ballottement (baby will rebound against your fingers)
-uterine changes
Term
positive signs of pregnancy
Definition
-hearing fetal heart tones
- visualization of fetus
-fetal movements felf by examiner
Term
naegele's rule
Definition
determines estimated date of delivery (EDD)

-first you take you first day of last menstrual period. subtract three months and add seven days.
Term
how often should a woman go to prenatal office visits?
Definition
-every four weeks for the first 28 weeks
-every 2 weeks during weeks 29-36
- every week after 36 weeks until delivery
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