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ARDMS OBSTETRICS EXAM 413 QUESTIONS WITH 100% CORRECT ANSWERS
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ARDMS OBSTETRICS EXAM 413 QUESTIONS WITH 100% CORRECT ANSWERS GRADE A+
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ARDMS OBSTETRICS EXAM 413QUESTIONS WITH 100% CORRECT
ANSWERS GRADE A+
trimesters - >>>Answer first trimester: 1-12 weeks (organ develop)
second trimester: 13-28 weeks (physiological development)
third trimester: 28-42 weeks (regular growth)
full term - >>>Answer 38-42 weeks
premature term - >>>Answer >37 weeks
# of weeks for abortus - >>>Answer first 20 weeks
age of viability - >>>Answer after 24 weeks
Nagele's Rule - >>>Answer add 9 to LMP month
add 7 to LMP day
GPA - >>>Answer gravida, parity, abortion
pregnancy screens - >>>Answer initial visit - hgb, blood type, HIV, STD, rubella
16-18 weeks - Quad screen
9-11 weeks - CVS
Quad Screen - >>>Answer AFP, hcG, estriol, inhibin A
teratogens - >>>Answer physical and chemical agents that can produce congential
chromosomal abnormalities
positive pregnancy signs - >>>Answer fetal parts, heart beat, US documentation
fertilization - >>>Answer penetration of egg by sperm
fertilization time period - >>>Answer 12-24 hours after ovulation
fertilization facilitation - >>>Answer fallopian tube cilieam moves ovum
acrosin relaeased from acrosome
prostaglandin- stimulates uterine contractions
ovum secretes chemicals to attract sperm
,capicitation - >>>Answer acrosome releases enzymes that help sperm penetrate corona
radiata and zona pellucida
syngamy - >>>Answer zone reaction preventing other sperms from penetrating ovum.
gestational age - >>>Answer age of pregnancy from first day of LMP
embryologic age - >>>Answer gestational age - 2 weeks
age of pregnancy from time of conception
a.k.a. fertilization age
embryonic period - >>>Answer first 8 weeks
fetal period - >>>Answer after 10 weeks
embryological stages - >>>Answer zygote, morula, blastocyst
zygote - >>>Answer fertilized egg
morula - >>>Answer 16 cell stage forms on day 3
blastocyst - >>>Answer forms at day 4 composed of blastomeres
inner and outer cell groupsj
blastocele is formed
implantation - >>>Answer 6th-7th day occurs after breakdown of zona pellucida
complete in 14 days
trophoblast - >>>Answer 2 layers: syncitiotrophoblast, cytotrophoblast
syncitiotrophoblast - >>>Answer cells secrete enzymes for endo penetration
cytotrophoblast - >>>Answer from chorion, chorionic villi, amnion
embryonic disc - >>>Answer forms between 12-14-17 days
3 layers: ectoderm, mesoderm, endoderm
endoderm - >>>Answer yolk sac and gestational sac and respiratory systemd
mesoderm - >>>Answer umbilical cord, cardiovascular system, skeletal system, and urinary
system
ectoderm - >>>Answer amnion and nervous system (neurla tube and neural crest)
decidua formation - >>>Answer decidua basalis
decidua capsularis
decidua vera or parietalis
decidua basalis - >>>Answer maternal part of placenta
decidua capsularis - >>>Answer surrounds gestational sac
, decidua vera or parietalis - >>>Answer remaining portion of decidua
"double ring" sign - >>>Answer decidua capsularis and gestational sac
chorionic cavity - >>>Answer a.k.a. gestational sac
first sign of IUP
surrounded by choirionic membrane
obliterated when amnion fuses
yolk sac - >>>Answer seen 5 weeks TV, 6 weeks TA
attach to embryo by stalk
not seen after 1st trimester
allantois - >>>Answer outpouching of yolk sac
"double blister" sign - >>>Answer yolk sac and amniotic cavity
amnion - >>>Answer from ectoderm
surrounds blastocele and becomes amniotic cavity
seen at 7 weeks
not seen after 1st trimester
chorion - >>>Answer from cytotrophoblast
forms boundary of chorionic cavity
a.k.a. gestational sac
placenta parts - >>>Answer fetal: chorion frondosum
maternal: decidua basalis
HPL - >>>Answer human placento lactogen
placenta hormones - >>>Answer hcG - prolongs corpus luteum
progesterone - breast lactation
estrogen - stimulates breast
HPL - promotes breast development
relaxin- relaxes ligaments
inhibin - inhibits FSH
placenta anatomy - >>>Answer chorion and amnion
chorionic villi - separates mom and baby
intervillous space - maternal blood
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