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NCC EFM Exam Practice Questions with Solutions, Exams of Obstetrics

Cambridge Technical InstituteObstetrics

NCC EFM Exam Practice Questions with Solutions

Typology: Exams

2024/2025

Available from 07/04/2025

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NCC EFM Exam Practice Questions with Solutions
1. Oxygen is transferred from mom to fetus via the placenta through?:
Passive (Simple) Diffusion
2. Intervillous space perfusion is dependent on?: Adequate Uterine Blood Flow
3. Maternal Fetal Exchange is best promoted by which maternal position?:
Ei- ther Rt or Lt Lateral
4. What is transfer down the concentration gradient from higher to
lower called?: Diffusion
5. The most likely physical rationale for recurrent late decels after
epidural is?: Maternal Sympathetic Blockade
6. Which FHR pattern would be anticipated when monitoring mono-
mono twins?: Variable Decels
7. Fetus can survive in an environment w/ a PO2 equal to adult venous
blood d/t?: increased O2 carrying capacity
8. Variable decels are mediated primarily by?: baroreceptors
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NCC EFM Exam Practice Questions with Solutions

  1. Oxygen is transferred from mom to fetus via the placenta through?: Passive (Simple) Diffusion
  2. Intervillous space perfusion is dependent on?: Adequate Uterine Blood Flow
  3. Maternal Fetal Exchange is best promoted by which maternal position?: Ei- ther Rt or Lt Lateral
  4. What is transfer down the concentration gradient from higher to lower called?: Diffusion
  5. The most likely physical rationale for recurrent late decels after epidural is?: Maternal Sympathetic Blockade
  6. Which FHR pattern would be anticipated when monitoring mono- mono twins?: Variable Decels
  7. Fetus can survive in an environment w/ a PO2 equal to adult venous blood d/t?: increased O2 carrying capacity
  8. Variable decels are mediated primarily by?: baroreceptors
  1. The sympathetic branch of the ANS influences FHR to?: increase
  2. the average difference in baseline FHR b/w 30 & 40 weeks is?: 10bpm usually 5-6; 10 is closest
  3. Fetal blood is most highly oxygenated in the?: Ductus Venosous
  4. An abrupt rise in fetal bp can stimulate?: variable decels
  5. During an acute episode of fetal hypoxemia, fetal blood flow is redistrib- uted primarily to the?: brain
  6. Over the course of pregnancy, the FHR baseline?: decreases
  7. FHR variability is dependent upon?: cerebral oxygen and intact CNS
  8. chemoreceptors respond mainly to?: hypoxemia
  9. pH: 7. pCO2: 50 HCO3: 24 BE: -3: normal acid-base status (if pH is normal, answer is normal)
  10. Fetal respiratory academia is indicated by a pH of 7.04 and a PCO2 of?: >
  11. pH: 6.

maternal fever

  1. FHR pattern likely to develop w/severe fetal anemia?: sinusoidal
  2. marked variability is mediated by?: adrenergic activity
  3. during 1st stage of labor for women w/ no risk factors, efm should be reviewed every?: 30 min.
  4. during 1st stage of labor for women w/complications, EFM should be reviewed every?: 15 min.
  5. during 2nd stage labor for women requiring oxytocin, EFM should be reviewed every?: 5 min.
  6. in any 10 minute sequence of FHR tracing, minimum baseline duration must be at least?: 2 min.
  7. if baseline FHR is indeterminate, refer to prior?: 10 min. window
  8. Baseline FHR variability is classified as?: absent, minimal, moderate, marked
  9. primary goal in treatment of late decels?: maximize uteroplacentel blood flow
  1. Rationale for low dose oxytocin protocol?: half-life of oxytocin
  2. Initiate treatment for recurrent late decels w/ moderate variability during 1st stage?: maternal repositioning
  3. FHR pattern likely to develop w/ severe fetal anemia?: sinusoidal
  4. most consistent clinical sign of uterine rupture during tolac?: recurrent decels of bradycardia
  5. loss of FHR variability can result from?: medication administration
  6. IV stadol may result in?: transient sinusoidal (pseudosinusoidal)
  7. When using a doppler to determine FHR, autocorrelation:: compares suc- cessive reflective US waveforms at many points
  8. Sustained SVT increases fetal risk for:: CHF (hydrops)
  9. toco detects changes in?: the shape of the uterine wall
  10. fetoscope works by detecting?: sound of opening/closing of heart valves
  11. short r-to-r intervals in fetal egg is indicative of?: tachycardia
  12. most common fetal arrhythmia?: PAC
  13. Fetal hydrops may develop w?: paroxysmal atrial tachy