RNC OB Certification Test – Questions With
Expert Solutions
Why does patient feel the urge to bear down? Correct Answer -
Pressure on sacral and obturator nerves
What cardiovascular changes does mom have during contractions?
Correct Answer - Increased BP and decreased HR
What suppresses milk production? Correct Answer - 1. Tight
fitting bra
2. Cold packs
Primary risk of PPROM? Correct Answer - Preterm birth
Early sign of maternal hemorrhage? Correct Answer - Fetal
bradycardia or tachycardia
Maternal lupus can result in fetal? Correct Answer - Heart
block
In a category 3 FHR pattern: scalp stimulation results in FHR
acceleration means? Correct Answer - Fetus is most likely NOT
acidotic
Onset to nadir <30 seconds
at least 15 bpm decrease from baseline
at least 15 seconds but less than 2 min Correct Answer -
Variable deceleration
Which NICHD category of tracing is the following...
~abnormal acid-base
,~sinusoidal pattern
~absent variability
~recurrent lates or variables
~bradycardia Correct Answer - Category 3 tracing
Cord compression deceleration? Correct Answer - Variable
In what trimester is there most risk for incompetent cervix?
Correct Answer - 2nd
What is normal fetal lie? Correct Answer - Longitudinal
Prior to the start of Subutex (buprenorphine) the patient should
abstain form drug use for? Correct Answer - 12-24 hours
Which form of placenta previa is most likely to resolve? Correct
Answer - Marginal
What stage and phase of labor do you see...
~Dilation of 8-10 cm
Symptoms of leg tremors & n/v Correct Answer - 1st stage
Transition phase
What are the 3 causes of thromboembolic disorders? Correct
Answer - 1. Venous stasis
2. Hypercoagulation
3. Blood vessel trauma
Paced breathing should be? Correct Answer - No more than 2
times normal rate
Base excess > 10 mEq? Correct Answer - Metabolic acidosis
, Both parents have sickle cell trait. What risk % does the baby have
of having sickle cell? Correct Answer - 25%
If you suspect NEC in an infant what do you do first? Correct
Answer - Stop feedings
What heart sounds are normal in 3rd trimester moms? Correct
Answer - Exaggerated 1st and 3rd
systolic murmur
Decreased pH (less than 7.25)
Increased PCO2 (>40 mm Hg)
Increased PO2
Base within normal Correct Answer - Respiratory acidosis
What should be done at precipitous birth with nuchal cord?
Correct Answer - Grasp cord with curved fingers and reduce, if
unsuccessful, double clamp and cut cord.
HIV exposed neonates who's mother DID receive treatment should
get what? Correct Answer - Zidovudine ASAP
What should you do if you have a non-reactive NST in the 1st 20
minutes? Correct Answer - Extend to 40 minutes (could be a
sleep cycle)
Okay to use acoustic stimulation
Which cephalic presentation requires c/s delivery? Correct
Answer - Brow (very rare)
Organ that produces Estrogen and Progesterone during pregnancy?
Correct Answer - Plecenta
Expert Solutions
Why does patient feel the urge to bear down? Correct Answer -
Pressure on sacral and obturator nerves
What cardiovascular changes does mom have during contractions?
Correct Answer - Increased BP and decreased HR
What suppresses milk production? Correct Answer - 1. Tight
fitting bra
2. Cold packs
Primary risk of PPROM? Correct Answer - Preterm birth
Early sign of maternal hemorrhage? Correct Answer - Fetal
bradycardia or tachycardia
Maternal lupus can result in fetal? Correct Answer - Heart
block
In a category 3 FHR pattern: scalp stimulation results in FHR
acceleration means? Correct Answer - Fetus is most likely NOT
acidotic
Onset to nadir <30 seconds
at least 15 bpm decrease from baseline
at least 15 seconds but less than 2 min Correct Answer -
Variable deceleration
Which NICHD category of tracing is the following...
~abnormal acid-base
,~sinusoidal pattern
~absent variability
~recurrent lates or variables
~bradycardia Correct Answer - Category 3 tracing
Cord compression deceleration? Correct Answer - Variable
In what trimester is there most risk for incompetent cervix?
Correct Answer - 2nd
What is normal fetal lie? Correct Answer - Longitudinal
Prior to the start of Subutex (buprenorphine) the patient should
abstain form drug use for? Correct Answer - 12-24 hours
Which form of placenta previa is most likely to resolve? Correct
Answer - Marginal
What stage and phase of labor do you see...
~Dilation of 8-10 cm
Symptoms of leg tremors & n/v Correct Answer - 1st stage
Transition phase
What are the 3 causes of thromboembolic disorders? Correct
Answer - 1. Venous stasis
2. Hypercoagulation
3. Blood vessel trauma
Paced breathing should be? Correct Answer - No more than 2
times normal rate
Base excess > 10 mEq? Correct Answer - Metabolic acidosis
, Both parents have sickle cell trait. What risk % does the baby have
of having sickle cell? Correct Answer - 25%
If you suspect NEC in an infant what do you do first? Correct
Answer - Stop feedings
What heart sounds are normal in 3rd trimester moms? Correct
Answer - Exaggerated 1st and 3rd
systolic murmur
Decreased pH (less than 7.25)
Increased PCO2 (>40 mm Hg)
Increased PO2
Base within normal Correct Answer - Respiratory acidosis
What should be done at precipitous birth with nuchal cord?
Correct Answer - Grasp cord with curved fingers and reduce, if
unsuccessful, double clamp and cut cord.
HIV exposed neonates who's mother DID receive treatment should
get what? Correct Answer - Zidovudine ASAP
What should you do if you have a non-reactive NST in the 1st 20
minutes? Correct Answer - Extend to 40 minutes (could be a
sleep cycle)
Okay to use acoustic stimulation
Which cephalic presentation requires c/s delivery? Correct
Answer - Brow (very rare)
Organ that produces Estrogen and Progesterone during pregnancy?
Correct Answer - Plecenta
