Quiz 1 (Ken).txt
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What will the trophoblast will eventually become?
Where does the Zygote normally implant?
Upper portion of the Uterus
What are the three germ layers?
- 1. Endoderm
- 2. Mesoderm
- 3. Ectoderm
When is mature surfactant produced?
During the alveolar period by the Type II alveolar cells
What ratio of lecithin to sphingomyelin determines lung maturity?
2:1. This usually occurs around week 35
What is looked at during ultrasonography to determine fetal age?
using measurements of crown-rump length, biparietal diameter, abdominal circumference, and femur length
What is Amniocentesis used to determine?
- is the sampling of the amniotic fluid for diagnostic purposes
- Analyzed for:
- L/S ratio
- Alpha fetoprotein levels
- Bilirubin level
- Creatinine levels
- Meconium staining
What is normal fetal heart rate range?
120 to 160
What is considered bradycardia in a neonate?
What is considered tachycardia in a neonate?
During contractions the heart may accelerate above ___ but should return to baseline within _ minutes. These accelerations are considered normal during contraction
Decelerations occur for less then _ minutes and depending on their characteristics and timing could be threatening or harmless
Early or Type one decelerations closely follow uterine contractions in onset and duration and the heart may decelerate down to __-__ bpm.
Late or Type II decelerations do or do not follow contractions, and occur for how many seconds?
do not; 10 to 30
Variable or Type III decelerations are ________ of uterine contractions.
What are tests and facts used to determine gestational age?
- Nagele's rule is the most common method
- Fundal height
- fetal heart rate
- fetal movement experienced by the mother
How does Nagele's rule determine Estimated Date of Confinement (EDC)?
- Three months are subtracted from the first day of the last menstrual period
- Seven days are then added to determine the EDC
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