1
RNC-OB Certification Review
Exam Questions with 100%
Correct Answers| Latest Update
2026
The first Leopold's manoeuvre assists in identifying foetal... - ANSWER:
Position.
An advantage of vibroacoustic testing is that it... - ANSWER: can be used
effectively at any gestational age.
When differentiating false labor from true labor, a finding that would
suggest a woman is in true labor is if after 1-2 hours of walking... - ANSWER:
back pain is radiating to the abdomen.
The umbilical vein carries... - ANSWER: oxygenated blood from the placenta to
the foetus.
The Ferguson reflex is the result of... - ANSWER: Pressure on the cervix.
Compared to non-pregnant values, maternal carbon dioxide (pCO2) during
pregnancy is... - ANSWER: decreased, because mother breathing faster.
The metabolic state of pregnancy is described as a chronic... - ANSWER:
respiratory alkalosis.
RNC-OB Certification Review
, 2
During pregnancy, cardiac output increases by what percent? - ANSWER:
30-50%
A 39 week gestation G3P2 who is currently 6cm/90%/-1, who received an
epidural test dose 10 minutes ago is having late decelerations. The most
likely cause is... - ANSWER: Maternal hypotension.
The color of nitrazine paper most indicative of ruptured membranes is... -
ANSWER: Blue.
The fetal heart tones of a baby in the ROP position would best be heard
over the mother's... - ANSWER: Right lower abdomen.
On a vaginal exam the nurse determines the patient is 7cm dilated. She also
notes the cervix is well applied posteriorly but that the cervix is not well
applied anteriorly with a slight gap along the vertex. She should suspect
that the fetal position is... - ANSWER: OP (occiput posterior)
In the low risk patient who is being monitored in the active stage of labor
using auscultation, the fetal heart rate should be assessed every... -
ANSWER: 15 minutes
According to ACOG guidelines for continuous EFM, a patient without
complications in the active phase of labor should have the FHR assessed
every... - ANSWER: 30 minutes
The cervix of a labor patient is dilated to 3cm. She would be in what stage of
labor? - ANSWER: Latent phase of labor.
When using EFM monitors in the second stage of labor, the high risk patient
who is actively pushing should be assessed every... - ANSWER: 5 minutes.
RNC-OB Certification Review
, 3
The phase of labor that distraction techniques are most likely to be
effective is... - ANSWER: Latent.
A prolonged second stage in the primigravida with regional anesthesia is
defined as a lack of continuing progress and a second stage duration of
greater than... - ANSWER: 3 hours.
Internal rotation of the head generally occurs in... - ANSWER: mid pelvis.
The transition phase of labor is characterized by maternal... - ANSWER:
panic and fear.
One sign that suggests placental separation is... - ANSWER: lengthening of
umbilical cord.
A woman in labor is having contractions about every 2-3 minutes. She is 7-
8cm/100%/+1. These findings are most consistent with which stage of
labor? - ANSWER: First.
The pushing technique that a woman in second stage should be encouraged
to use is... - ANSWER: open-glottis pushing for 6-8 seconds with 3-4 pushes per
contraction.
In the multigravida with an epidural and no maternal or fetal
contraindications, pushing efforts may be delayed up to... - ANSWER: 2
hours.
The second stage position that can increase the pelvic diameter as much as
28-30% is... - ANSWER: Squatting.
RNC-OB Certification Review
RNC-OB Certification Review
Exam Questions with 100%
Correct Answers| Latest Update
2026
The first Leopold's manoeuvre assists in identifying foetal... - ANSWER:
Position.
An advantage of vibroacoustic testing is that it... - ANSWER: can be used
effectively at any gestational age.
When differentiating false labor from true labor, a finding that would
suggest a woman is in true labor is if after 1-2 hours of walking... - ANSWER:
back pain is radiating to the abdomen.
The umbilical vein carries... - ANSWER: oxygenated blood from the placenta to
the foetus.
The Ferguson reflex is the result of... - ANSWER: Pressure on the cervix.
Compared to non-pregnant values, maternal carbon dioxide (pCO2) during
pregnancy is... - ANSWER: decreased, because mother breathing faster.
The metabolic state of pregnancy is described as a chronic... - ANSWER:
respiratory alkalosis.
RNC-OB Certification Review
, 2
During pregnancy, cardiac output increases by what percent? - ANSWER:
30-50%
A 39 week gestation G3P2 who is currently 6cm/90%/-1, who received an
epidural test dose 10 minutes ago is having late decelerations. The most
likely cause is... - ANSWER: Maternal hypotension.
The color of nitrazine paper most indicative of ruptured membranes is... -
ANSWER: Blue.
The fetal heart tones of a baby in the ROP position would best be heard
over the mother's... - ANSWER: Right lower abdomen.
On a vaginal exam the nurse determines the patient is 7cm dilated. She also
notes the cervix is well applied posteriorly but that the cervix is not well
applied anteriorly with a slight gap along the vertex. She should suspect
that the fetal position is... - ANSWER: OP (occiput posterior)
In the low risk patient who is being monitored in the active stage of labor
using auscultation, the fetal heart rate should be assessed every... -
ANSWER: 15 minutes
According to ACOG guidelines for continuous EFM, a patient without
complications in the active phase of labor should have the FHR assessed
every... - ANSWER: 30 minutes
The cervix of a labor patient is dilated to 3cm. She would be in what stage of
labor? - ANSWER: Latent phase of labor.
When using EFM monitors in the second stage of labor, the high risk patient
who is actively pushing should be assessed every... - ANSWER: 5 minutes.
RNC-OB Certification Review
, 3
The phase of labor that distraction techniques are most likely to be
effective is... - ANSWER: Latent.
A prolonged second stage in the primigravida with regional anesthesia is
defined as a lack of continuing progress and a second stage duration of
greater than... - ANSWER: 3 hours.
Internal rotation of the head generally occurs in... - ANSWER: mid pelvis.
The transition phase of labor is characterized by maternal... - ANSWER:
panic and fear.
One sign that suggests placental separation is... - ANSWER: lengthening of
umbilical cord.
A woman in labor is having contractions about every 2-3 minutes. She is 7-
8cm/100%/+1. These findings are most consistent with which stage of
labor? - ANSWER: First.
The pushing technique that a woman in second stage should be encouraged
to use is... - ANSWER: open-glottis pushing for 6-8 seconds with 3-4 pushes per
contraction.
In the multigravida with an epidural and no maternal or fetal
contraindications, pushing efforts may be delayed up to... - ANSWER: 2
hours.
The second stage position that can increase the pelvic diameter as much as
28-30% is... - ANSWER: Squatting.
RNC-OB Certification Review
