Exam (elaborations)
AWHONN INTERMEDIATE FETAL MONITORING TEST
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AWHONN INTERMEDIATE FETAL MONITORING TEST
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AWHONN INTERMEDIATE FETAL MONITORING TESTWhich of the following is an extrinsic influence on the FHR? - Answers -C. Fetal-
placental circulation
The most highly oxygenated blood in fetal circulation is carried by: - Answers -C. Ductus
venosus
If fetal arterial pressure begins to fall below normal levels: - Answers -A. Baroreceptors
cause vasoconstriction and increase the FHR
Fetal heart rate variability is defined as fluctuations in the baseline that are irregular in
_____ and _____. - Answers -B. Amplitude and frequency
An increase in the fetal heart rate immediately preceding a variable deceleration is
caused by: - Answers -A. Occlusion of the umbilical vein
When assessing a FHR tracing, the first step is to: - Answers -C. Establish the baseline
rate
Which deceleration in the FHR is considered benign and does not require an
intervention to correct? - Answers -A. Early deceleration
If the umbilical vein is the only vessel occluded during cord compression - Answers -B.
Oxygenated blood may be restricted from being delivered to the fetus
During a fetal sleep cycle, FHR variability is usually ____. - Answers -C. Minimal
Uterine tachysystole is defined as: - Answers -B. >5 contractions in 10 mind over 30
minutes
Maternal-fetal oxygen and nutrient transfer takes place in the: - Answers -B. intervillous
space
pO2: 4.2
BE: -23.7
These results meet the criteria for: - Answers -B. Metabolic acidemia
What is the baseline rate? - Answers -B. 135 bpm
What type of variability is observed? - Answers -C. Moderate
What do you observe in the tracing that rules out metabolic acidemia at this time? -
Answers -A: 15x15 accelerations
What pattern is observed in the fetal heart tracing? - Answers -A. Late decelerations
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