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NCC National Certification
Corporation 2024-2025 NCC Registered Nurse Certified
for Inpatient Obstetric Nursing RNC-OB Exam Quiz
Study Guide with Correct Answers | 100% Pass
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Read All Instructions Carefully and Answer All the
Questions Correctly Good Luck: -
naegele rule - Answer>> Method of determining due
date
how to determine Naegele Rule? - Answer>>
determine date of onset of LMP, add 7 days, subtract 3
months.
alternative method to determine EDD - Answer>>
determine date of onset of LMP, count 40 weeks from
that day
fetal development sequence - Answer>> fertilization
of egg by sperm, blastocyst, uterine implantation,
embryonic stage, fetal stage
mothers who are RH- and unimmunized should receive
____________ prior to procedures as prophylaxis. -
Answer>> 300 mg IM Rh Immune Globulin
CVS - Chorionic Villus Sampling - Answer>> tests
tissue from the placenta - used to obtain trophoblast
cells for analysis; transcervical or transabdominal
approach depending on placental location
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when is a CVS performed? -
Answer>> 10-13 weeks
contraindications for CVS - Answer>> maternal Rh
sensitization, active vaginal/cervical infection, uterine
fibroids, vag bleeding in last 2 weeks, marked
retroverted/retroflexed uterus
Cordocentesis (PUBS - Percutaneous Umbilical Blood
Sampling) procedure - Answer>> tests fetal blood -
usually sampled from where the cord enters the
placenta; umbilical vein preferred due to less risk of
fetal bradycardia
when is PUBS performed? - Answer>> after 17 weeks
How is blood taken during PUBS confirmed to be fetal? -
Answer>> MCV >100
What does PUBS stand for? - Answer>> Percutaneous
Umbilical Blood Sampling - also called cordocentesis
what does PUBS detect? - Answer>> fetal infections,
blood disorders, and chromosomal abnormalities. does
not give information about neural tube defects.
most common complication from PUBS? - Answer>>
bleeding from cord puncture site
what are signs of pregnancy? - Answer>> hegar sign,
chadwick sign, goodell sign
hegar sign - Answer>> lower uterine softening,
presents as early as 4 weeks lasts until week 12
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chadwick sign - Answer>>
change of labia, cervical , or
vaginal color from pink to bluish violet - noted as early
as 6 weeks
goodell sign - Answer>> cervical softening due to
increased vascularization, vessels below the uterus
engorge from tissue hypertrophy
when is the first trimester? - Answer>> time from
fertilization to the 12th week of pregnancy - includes
embryonic stage (weeks 3-8)
major occurrences of first trimester - Answer>>
implantation
major organ development
bone and tooth bud development
sexual organs distinguishable
nail beds form
spontaneous fetal movements begin
heartbeat audible via doppler in 12th week
some reflexes may be present (babinski)
when is the second trimester? - Answer>> 13th week
to the end of week 26
the second trimester is also called the - Answer>>
"honeymoon" period
major occurrences of the second trimester? -
Answer>> bone formation
urine is excreted into the amniotic fluid
fetal brain/CNS development
fetal lung/alveolar development
fetal startle reflex present
eyes and ears develop
sucking motions may be present
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