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When peripheral chemoreceptors respond to decreased oxygen and increased carbon dioxide this
leads to an increase in
A. Arterial Blood Pressure
B. Cardiac Output
C. Fetal heart rate - Arterial Blood Pressure
To best determine fetal tolerance of labor, auscultation should be done
A. After a contraction
B. During a contraction
C. With episodes of fetal movement - After a contraction
Normal PCO2 and decreased HCO3 are consistent with what type of acidemia
A. Metabolic
B. Mixed
C. Respiratory - Metabolic
Which of the following can cause a blunted response to vibroacoustic stimulators
A. Hydramnios
B. Magnesium Sulfate
C. Multiple Gestation - Magnesium Sulfate
The progressive decrease in fetal heart rate baseline as gestation advances is considered to be a
result of maturation of the
A. Cardio electrical pathways
B. Fetal Circulatory System
C. Parasympathetic nervous system - Parasympathetic nervous system
When properly placed on the maternal abdomen the ultrasound transducer detects the
A. Fetal cardiac electrical activity
, B. Fetal heart movements
C. Sounds made by fetal blood flow - Fetal heart movements
When late decelerations occur in the presence of moderate variability this is most likely due to
chemoreceptor mediated response to transient
A. Hypotension
B. Hypoxemia
C. Umbilical Cord compression - Hypoxemia
During amnioinfusion the infusion should be stopped periodically to assess changes in
A. Baseline uterine pressure
B. Deceleration pattern
C. Vaginal drainage - Baseline uterine pressure
A woman in labor on oxytocin develops tachysystole but the other EFM parameters are within
normal limits. The next step is to
A. Continue to monitor
B. Decrease the oxytocin
C. Start intrauterine resuscitation measures - Decrease the oxytocin
If a category II tracing with minimal variability and absent fetal heart accelerations begin to show late
decelerations
A. Immediate caesarean delivery is indicated
B. It should be considered indeterminate
C. The tracing has progressed to category III status - It should be considered indeterminate
Severe fetal anemia should be suspected in what fetal heart rate manifestation
A. Shallow late decelerations
B. Sinusoidal pattern
C. Wandering baseline - Sinusoidal pattern
To confirm baseline rate, at least how many minutes of tracing is needed for review