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last test f
last test f
26
Anatomy
Undergraduate 1
12/02/2008

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Cards

Term
What are the 2 blocks to polyspermy-assure syngamy?
Definition
Fast: Na channels open
Slow: Ca enters causing impermeable membrane
Term
What is an acrosomal reaction?
Definition
One sperm gets through to fuse with oocyte
Term
What happens to the membrane in oocyte when Fast Block is occuring?
Definition
Depolarizes and Na channels open
Term
What eventually forms placenta, site of nutrient and waste exchange?
Definition
Chorion
Term
What becomes umbillical cord?
Definition
Allantois
Term
What is the first two months of pregnancy called?
Definition
Embryonic
Term
When does the fetal stage begin?
Definition
After 2nd month
Term
What organ carries DOB from fetus to mother?
Definition
Umbilical Fetal arteries
Term
What are Chorionic Villi?
Definition
Fetal blood vessels and capillaries?
Term
What carries OB from mother to fetus?
Definition
Umbilical Fetal vein
Term
What is the birth of a baby?
Definition
Partuition
Term
When is the birth of a baby?
Definition
280 days after last mense, 40 wks from 1st date of last mense, or 38 weeks from ovulation
Term
What is Braxton Hicks?
Definition
False labor irregular pain in abdomen with no cervical dialation
Term
What is regular pain and a dialated cervix?
Definition
True labor
Term
What is released from posterior pituitary after 3cm cervical dilation?
Definition
Oxytocin
Term
What does oxytocin do at 3cm of dialation?
Definition
Stimulates uterine contractions
Term
What is released from placenta after 3 cm cervical dilation?
Definition
Prostalandins that cause the cervix to soften
Term
What happens in phase 3 of partuition?
Definition
Expulsion of fetus
Episiotomy-cut perineum
Placental discharged 30 minutes
Term
What phase is dialation of cervix in parturition?
Definition
Phase 1 uterine awakening lasting 6 to 24 hours
Term
What phase is representative of 95% of pregnancy?
Definition
zero-uterus is quiet
Term
What is crowining and in which phase does it occur?
Definition
Phase 2 active labor when fetus moves toward cervix
Term
What are the 3 positions the fetus can assume in moving toward cervix?
Definition
Vertex-head first
Breech- feet first
Franklin- but first
Term
In which phase is episiotomy and what is it?
Definition
Phase 3 cut perineum to prevent tearing
Term
What is engagement and in what phase is it occurring?
Definition
Phase 2- head of fetus moves into pelvis
Term
In what phase is amniotic fluid release?
Definition
Phase 2 active labor
Term
In which phase is show and what is it?
Definition
Discharge of blood mucus in phase 2
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