NCC EFM EXAM LATEST 2023 REAL EXAM 200
QUESTIONS AND DETAIED ANSWERS (VERIFIED
ANSWERS) |AGRADE
Which position best promotes maternal-fetal exchange? - ANSWER- R or L lateral. Change positions Qhour.
What on a strip indicates no academia in the fetus? - ANSWER- Moderate variability
The FHR develops recurrent late decelerations soon after the epidural injection. The most likely physiologic rationale is ... ? - ANSWER- Maternal sympathetic blockade
When monitoring monochorionic monoamniotic (mono-mono) twins, what are you expecting to see on the strip in FHR? - ANSWER- Variable decelerations
Variable decorations are mediated primarily by what? - ANSWER- Baroreceptors
The sympathetic branch of the autonomic nervous system influences the FHR to what? - ANSWER- Increase
Uteroplacental blood flow is reduced by what percentage during normal contractions? - ANSWER- 60%. You want at least 1 minute rest between contractions
The most highly oxygenated blood in fetal circulation is the what? - ANSWER- Ductus venous
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An abrupt rise in fetal BP can stimulate what? - ANSWER- Variable decelerations
During an acute episode of fetal hypoxemia, fetal blood flow is redistributed primarily to the ? - ANSWER- Brain
Fetus can survive in an environment with a PO2 equal to adult venous blood due to what? - ANSWER- Increased oxygen affinity
The fetus's ability to regulate cardiac output is based upon altering their what? - ANSWER- Heart rate
The FHR characteristic most predictive of a vigorous baby at birth is? - ANSWER- Variability
The term that refers to decelerations occurring with less than 50% of contractions is ? - ANSWER- Intermittent
In any 10 minute segment of FHR tracing, the minimum baseline duration must be at least how long? - ANSWER- 2 minutes
A FHR pattern likely to develop with severe fetal anemia is called what?
- ANSWER- Sinusoidal pattern
Baseline FHR variability is classified as? - ANSWER- Absent, minimal, moderate, or marked
Late decelerations with moderate variability are most likely due to? - ANSWER- Fetal stress
For low-risk women without oxytocin during first stage of labor, fetal assessment using EFM should occur how often? - ANSWER- Q30 minutes
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For women with risk-factors (e.g. Oxytocin) during first stage of labor, fetal assessment using EFM should occur how often? - ANSWER- Q15 minutes
For women receiving Oxytocin while actively pushing, fetal assessment using EFM should occur how often? - ANSWER- Q5 minutes
A likely cause of fetal tachycardia with moderate variability in a term fetus is what? - ANSWER- Maternal fever
Fetal scalp stimulation is appropriate in the context of? - ANSWER- Minimal variability
During the first stage of labor, amnioinfusion is an appropriate intervention for what? - ANSWER- Recurrent variable decelerations
Initial treatment for recurrent late decelerations with moderate variability during the first stage of labor is what? - ANSWER- Maternal positioning
Maternal oxygen for intrauterine resuscitation should be given at what rate? - ANSWER- 10L/Minute
Rationale for increasing Oxytocin no more frequently than Q30 minutes is based upon the what? - ANSWER- Half-life of Oxytocin
Oxygen would be appropriate for intrauterine resuscitation based upon?
- ANSWER- Absent variability
G1P0 @ 32 weeks. 6cm/90%/-2. Following SROM, the FHR decreases to 50. Your initial reaction is to what? - ANSWER- Perform a vaginal exam to check for cord prolapse
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