MCCN SDAP X - OB Exam 2 correctly
answered to pass
5 P's of Labor - correct answer ✔✔What impacts the timeliness and effectiveness of labor;
passageway, passenger, powers, psyche, and position of mother
Passageway - correct answer ✔✔bony pelvis: is shape favorable for vaginal birth?; soft tissues
of pelvis: vaginal canal, pelvic muscles (perineal floor), cervix
Passenger - correct answer ✔✔Fetus. Size, angle, presenting body part
Powers - correct answer ✔✔Uterine contractions. Forces that propel baby thru birth canal,
dilate cervix, then pushing force of mom
Psyche - correct answer ✔✔disposition of mom which greatly effects how mom labors.
fear/tension pulls blood away from uterus, less effective labor
Position of Mother - correct answer ✔✔position influences characteristics of labor. sitting or
semi fowlers= more frequent, less intense contractions; side lying= more intense, less frequent.
For baby that is facing upwards to mom's pelvis, flip position from side to side every hour to
help rotate.
Fetal Positioning - correct answer ✔✔want OA (occiput anterior)= baby facing sacrum. Can be
left or right (LOA or ROA). If baby is facing pelvis=OP (occiput posterior)
How to determine fetal positioning - correct answer ✔✔locate fetal occipital bone (feel for
posterior fontanel)
, Normal VS in PP period - correct answer ✔✔BP, Resp, Temp all normal but temp may be slightly
increased in 1st 24 hours (not above 100.4F). HR= 50-70BPM, MAP should be greater than 60
Periodic Fetal Heart Tones - correct answer ✔✔Early decelerations, late decel, variable decel
Indicators of subinvolution - correct answer ✔✔excessive lochia, foul odor, uterine pain, uterine
atony (boggy), uterus position higher than expected
Risk factors for hemorrhage - correct answer ✔✔large baby, multiple fetuses, polyhydramnios
(any excessive stretching), prolonged labor w/ pitocin, precipitous labor, delivery under general
anesthesia
Preterm labor - correct answer ✔✔21st week to 36 weeks + 6 days, problem only if it
progresses to birth
Dystocia - correct answer ✔✔Abnormal labor, ex= staying too long at a stage/dilation
Tocolytics - correct answer ✔✔meds that stop contractions/ labor
Uterine stretch theory - correct answer ✔✔when uterus gains a certain capacity, then it is going
to try to empty itself. So anything that causes extra stretch (big baby, etc) might have earlier
labor
Hormone changes at labor - correct answer ✔✔Change in balance of progesterone and
estrogen, progest drops and estrogen is able to promote contraction. Prostoglandin levels
increase, also cause contractions
Premonitory/ preliminary signs of labor - correct answer ✔✔Signal that LABOR is coming soon.
Lightening (1-3 weeks prior), Braxton-Hicks (soften/ripen cervix), discharge of mucous plug (~1
answered to pass
5 P's of Labor - correct answer ✔✔What impacts the timeliness and effectiveness of labor;
passageway, passenger, powers, psyche, and position of mother
Passageway - correct answer ✔✔bony pelvis: is shape favorable for vaginal birth?; soft tissues
of pelvis: vaginal canal, pelvic muscles (perineal floor), cervix
Passenger - correct answer ✔✔Fetus. Size, angle, presenting body part
Powers - correct answer ✔✔Uterine contractions. Forces that propel baby thru birth canal,
dilate cervix, then pushing force of mom
Psyche - correct answer ✔✔disposition of mom which greatly effects how mom labors.
fear/tension pulls blood away from uterus, less effective labor
Position of Mother - correct answer ✔✔position influences characteristics of labor. sitting or
semi fowlers= more frequent, less intense contractions; side lying= more intense, less frequent.
For baby that is facing upwards to mom's pelvis, flip position from side to side every hour to
help rotate.
Fetal Positioning - correct answer ✔✔want OA (occiput anterior)= baby facing sacrum. Can be
left or right (LOA or ROA). If baby is facing pelvis=OP (occiput posterior)
How to determine fetal positioning - correct answer ✔✔locate fetal occipital bone (feel for
posterior fontanel)
, Normal VS in PP period - correct answer ✔✔BP, Resp, Temp all normal but temp may be slightly
increased in 1st 24 hours (not above 100.4F). HR= 50-70BPM, MAP should be greater than 60
Periodic Fetal Heart Tones - correct answer ✔✔Early decelerations, late decel, variable decel
Indicators of subinvolution - correct answer ✔✔excessive lochia, foul odor, uterine pain, uterine
atony (boggy), uterus position higher than expected
Risk factors for hemorrhage - correct answer ✔✔large baby, multiple fetuses, polyhydramnios
(any excessive stretching), prolonged labor w/ pitocin, precipitous labor, delivery under general
anesthesia
Preterm labor - correct answer ✔✔21st week to 36 weeks + 6 days, problem only if it
progresses to birth
Dystocia - correct answer ✔✔Abnormal labor, ex= staying too long at a stage/dilation
Tocolytics - correct answer ✔✔meds that stop contractions/ labor
Uterine stretch theory - correct answer ✔✔when uterus gains a certain capacity, then it is going
to try to empty itself. So anything that causes extra stretch (big baby, etc) might have earlier
labor
Hormone changes at labor - correct answer ✔✔Change in balance of progesterone and
estrogen, progest drops and estrogen is able to promote contraction. Prostoglandin levels
increase, also cause contractions
Premonitory/ preliminary signs of labor - correct answer ✔✔Signal that LABOR is coming soon.
Lightening (1-3 weeks prior), Braxton-Hicks (soften/ripen cervix), discharge of mucous plug (~1
