The most appropriate equipment for administration of maternal oxygen for
intrauterine resuscitation at 10 L/min is a
A. Nasal cannula
B. Simple face mask
C. Nonrebreather face mask - Answer✔️C. Nonrebreather face mask
Accurate determination of baseline rate requires
A. At least 2 contiguous minutes of FHR in a 10-min window
B. Evaluation of the FHR over at least a 10-min window
C. Averaging the FHR over 30 min - Answer✔️B. Evaluation of the FHR over at
least a 10-min window
An EFM tracing with absent variability and no decelerations would be classified as
A. Category I
B. Category II (indeterminate)
C. Category III - Answer✔️B. Category II (indeterminate)
An EFM tracing with absent variability and intermittent late decelerations would
be classified as
A. Category I
B. Category II
C. Category III - Answer✔️B. Category II
, 2
Interpretation and classification of FHR patterns are based on predictability of fetal
status
A. At birth
B. At the time the pattern is observed
C. Over the previous hour - Answer✔️B. At the time the pattern is observed
Amnioinfusion is an appropriate measure for
A. Thick, meconium-stained fluid
B. Oligohydramnios
C. Recurrent variable decelerations unresolved by position changes - Answer✔️C.
Recurrent variable decelerations unresolved by position changes
Baroreceptors respond to changes in fetal
A. Blood pressure
B. Oxygen status
C. Acid-base status - Answer✔️A. Blood pressure
Fetal scalp stimulation is appropriate in the context of
A. Minimal variability
B. Prolonged deceleration
C. Bradycardia - Answer✔️A. Minimal variability
Maternal oxygen administration is appropriate in the context of
A. Recurrent variable decelerations/moderate variability
B. Intermittent late decelerations/minimal variability
, 3
C. Prolonged decelerations/moderate variability - Answer✔️B. Intermittent late
decelerations/minimal variability
A preterm fetus
A. Is more susceptible to hypoxic insults during labor than the term fetus
B. Requires internal monitoring if oxytocin is used for labor induction or
augmentation
C. Should be born via cesarean section unless there are maternal contraindications
- Answer✔️A. Is more susceptible to hypoxic insults during labor than the term
fetus
Oxygen is transferred from the mother to the fetus via the placenta through
A. Active transport
B. Passive diffusion
C. Facilitated diffusion - Answer✔️B. Passive diffusion
Resting tone and intensity of uterine contractions cannot be assessed by
A. External tocodynamometer
B. Manual palpation
C. Intrauterine pressure catheter - Answer✔️A. External tocodynamometer
The FHR characteristic most predictive of a well-oxygenated baby at the time
observed is
A. Moderate variability
B. Stable baseline rate
C. Absence of decelerations - Answer✔️A. Moderate variability
, 4
In the context of hypoxemia, fetal blood flow is shifted to the
A. Brain
B. Liver
C. Lungs - Answer✔️A. Brain
Baroreceptor-mediated decelerations are
A. Early
B. Late
C. Variable - Answer✔️C. Variable
The primary goal in the treatment of variable decelerations is to
A. Correct umbilical cord compression
B. Improve maternal oxygenation
C. Maximize blood flow to the uterus - Answer✔️A. Correct umbilical cord
compression
Umbilical artery gas results reflect the status of the
A. Mother
B. Fetus
C. Placenta - Answer✔️B. Fetus
An appropriate initial treatment for recurrent late decelerations with moderate
variability during first stage labor is
A. Amnioinfusion
B. Maternal repositioning