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RNC OB Part 4: Obstetric Complications
Questions and Correct Answers
During a shoulder dystocia, the woman is placed in knee-chest position while
supine in order to flatten the sacrum and widening the angle of the maternal
pelvis, procedure called _______________ maneuver. This is often followed by
suprapubic pressure
Ans✅✅: McRoberts
Woods, Schwartz-Dixon, and Gaskin maneuvers are all techniques to relieve a
_______________ _______________
Ans✅✅: Shoulder Dystocia
_______________ maneuver for a shoulder dystocia is cephalic replacement
back into the vagina in order to perform a cesarean birth
Ans✅✅: Zavanelli
_______________ disorders are those in which dilation or descent take longer
than normal. Dilation takes longer than 1.2 cm/hr in the nullipara and less than
1.5 cm/hr in the multipara. Descent occurs less than 1 cm/hr in nullipara or 2
cm/hr in multipara
Ans✅✅: Protraction
_______________ disorders are those in which dilation or descent stop
progressing. This is diagnosed after 2 hours without dilation in the nullipara and
1 hour in the multipara or 1 hour without descent in nulipara or multipara
Ans✅✅: Arrest
The pelvic inlet should measure _______________cm or more at its shortest
anteriorposterior diameter. A smaller pelvic inlet is contracted
Pretest - Stuvia US
,2
Ans✅✅: 10
The pelvic inlet should measure _______________cm or more at its greatest
transverse diameter
A smaller pelvic inlet is contracted
Ans✅✅: 12
The normal diagonal conjugate is _______________ cm or more
A smaller pelvic inlet is contracted
Ans✅✅: 11
Interischial spinous diameter should be over ____________cm
Ans✅✅: 10
____________ contraction can be inferred when spines are prominent, the
sacrosciatic notch is narrow or the pelvic side walls coverage
Ans✅✅: Midpelvis
The interischial tuberous diameter should be over ____________ cm. Any less
is a pelvic outlet contraction
Ans✅✅: 8
A labor ____________ can involve abnormal power, abnormal passenger, or
abnormal passageway
Ans✅✅: Dystocia
A precipitous labor takes less than ____________ hours from start to birth of
the baby
Ans✅✅: 3
Pretest - Stuvia US
, 3
A ____________ placenta previa is one in which the edge of the placenta is
within 2-3 cm of the cervical os
Ans✅✅: Marginal
The placenta must be farther than ____________cm from the cervical os for a
normal delivery and no increased risk for intrapartum hemorrhage
Ans✅✅: 2-3
Symptoms of placenta previa often occur in the second or ____________
trimester when uterine bleeding occurs
Ans✅✅: Third
Risk factors for ____________ ____________
Age over 35
Scaring of uterus
Uterine fibroids
Endometritis
Uterine anomalies
Cigarette smoking
Multiparity
Multiple gestations
Large placenta
Fetal hyhdrops fetalis
Ans✅✅: Placenta Previa
Defective ____________ ____________ is thought to be the cause of
abnormal adherence of the placenta to the uterine wall. It is more common
when there has been a previous c section or when placenta previa is present. It
is classified based on severity of attachment of placenta to uterine wall
Ans✅✅: Decidua basalis
Pretest - Stuvia US
RNC OB Part 4: Obstetric Complications
Questions and Correct Answers
During a shoulder dystocia, the woman is placed in knee-chest position while
supine in order to flatten the sacrum and widening the angle of the maternal
pelvis, procedure called _______________ maneuver. This is often followed by
suprapubic pressure
Ans✅✅: McRoberts
Woods, Schwartz-Dixon, and Gaskin maneuvers are all techniques to relieve a
_______________ _______________
Ans✅✅: Shoulder Dystocia
_______________ maneuver for a shoulder dystocia is cephalic replacement
back into the vagina in order to perform a cesarean birth
Ans✅✅: Zavanelli
_______________ disorders are those in which dilation or descent take longer
than normal. Dilation takes longer than 1.2 cm/hr in the nullipara and less than
1.5 cm/hr in the multipara. Descent occurs less than 1 cm/hr in nullipara or 2
cm/hr in multipara
Ans✅✅: Protraction
_______________ disorders are those in which dilation or descent stop
progressing. This is diagnosed after 2 hours without dilation in the nullipara and
1 hour in the multipara or 1 hour without descent in nulipara or multipara
Ans✅✅: Arrest
The pelvic inlet should measure _______________cm or more at its shortest
anteriorposterior diameter. A smaller pelvic inlet is contracted
Pretest - Stuvia US
,2
Ans✅✅: 10
The pelvic inlet should measure _______________cm or more at its greatest
transverse diameter
A smaller pelvic inlet is contracted
Ans✅✅: 12
The normal diagonal conjugate is _______________ cm or more
A smaller pelvic inlet is contracted
Ans✅✅: 11
Interischial spinous diameter should be over ____________cm
Ans✅✅: 10
____________ contraction can be inferred when spines are prominent, the
sacrosciatic notch is narrow or the pelvic side walls coverage
Ans✅✅: Midpelvis
The interischial tuberous diameter should be over ____________ cm. Any less
is a pelvic outlet contraction
Ans✅✅: 8
A labor ____________ can involve abnormal power, abnormal passenger, or
abnormal passageway
Ans✅✅: Dystocia
A precipitous labor takes less than ____________ hours from start to birth of
the baby
Ans✅✅: 3
Pretest - Stuvia US
, 3
A ____________ placenta previa is one in which the edge of the placenta is
within 2-3 cm of the cervical os
Ans✅✅: Marginal
The placenta must be farther than ____________cm from the cervical os for a
normal delivery and no increased risk for intrapartum hemorrhage
Ans✅✅: 2-3
Symptoms of placenta previa often occur in the second or ____________
trimester when uterine bleeding occurs
Ans✅✅: Third
Risk factors for ____________ ____________
Age over 35
Scaring of uterus
Uterine fibroids
Endometritis
Uterine anomalies
Cigarette smoking
Multiparity
Multiple gestations
Large placenta
Fetal hyhdrops fetalis
Ans✅✅: Placenta Previa
Defective ____________ ____________ is thought to be the cause of
abnormal adherence of the placenta to the uterine wall. It is more common
when there has been a previous c section or when placenta previa is present. It
is classified based on severity of attachment of placenta to uterine wall
Ans✅✅: Decidua basalis
Pretest - Stuvia US
