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CEFM Practice Test Questions with Answers, Exams of Obstetrics

Virginia State University (VSU)Obstetrics

CEFM Practice Test Questions with Answers

Typology: Exams

2024/2025

Available from 07/04/2025

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CEFM Practice Test Questions with Answers
1. The paper speed used with EFM in North America is:
a. 1cm/min
b. 2cm/min
c. 3cm/min: C. 3cm/min
2. The US transducer on the EFM measures the
a. Electrical signal of the fetal heart
b. Mechanical movement of the fetal heart reflected off of sound waves
c. R to R intervals of the fetal heart: b. Mechanical movement of the fetal
heart reflected off of sound waves
3. The purpose of the autocorrelation in external monitoring is to
a. Compare incoming waveforms for comparison
b. Decrease signal to noise levels
c. Distinguish fetal from maternal heart rate: a. Compare incoming waveforms
for comparison
4. The area of maximum intensity of FHR is usually the fetal
a. Back
b. Chest
c. Umbilicus: a. Back
5. Palpating the uterus is best performed by using the
a. Back of hand
b. Fingertips
c. Palm: B. Fingertips
6. What is the most sensitive method of assessing uterine activity?
a. Intrauterine pressure catheter
b. Manual palpation
c. Maternal perception: a. Intrauterine pressure catheter
7. When educating the patient about fetal monitoring, the most
appropriate statement is
a. A normal tracing indicates that your baby is well-oxygenated
b. A normal tracing indicates that you have a healthy baby
c. Continuous fetal monitoring will insure a better outcome for your baby: a.
A normal tracing indicates that your baby is well-oxygenated
8. In comparison to maternal blood, the affinity of fetal blood for oxygen is
a. Higher
b. Lower
c. The same: a. Higher
9. The process that requires energy to accomplish the passage of
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pf4
pf5
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pf9
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CEFM Practice Test Questions with Answers

  1. The paper speed used with EFM in North America is: a. 1cm/min b. 2cm/min c. 3cm/min: C. 3cm/min
  2. The US transducer on the EFM measures the a. Electrical signal of the fetal heart b. Mechanical movement of the fetal heart reflected off of sound waves c. R to R intervals of the fetal heart: b. Mechanical movement of the fetal heart reflected off of sound waves
  3. The purpose of the autocorrelation in external monitoring is to a. Compare incoming waveforms for comparison b. Decrease signal to noise levels c. Distinguish fetal from maternal heart rate: a. Compare incoming waveforms for comparison
  4. The area of maximum intensity of FHR is usually the fetal a. Back b. Chest c. Umbilicus: a. Back
  5. Palpating the uterus is best performed by using the a. Back of hand b. Fingertips c. Palm: B. Fingertips
  6. What is the most sensitive method of assessing uterine activity? a. Intrauterine pressure catheter b. Manual palpation c. Maternal perception: a. Intrauterine pressure catheter
  7. When educating the patient about fetal monitoring, the most appropriate statement is a. A normal tracing indicates that your baby is well-oxygenated b. A normal tracing indicates that you have a healthy baby c. Continuous fetal monitoring will insure a better outcome for your baby: a. A normal tracing indicates that your baby is well-oxygenated
  8. In comparison to maternal blood, the affinity of fetal blood for oxygen is a. Higher b. Lower c. The same: a. Higher
  9. The process that requires energy to accomplish the passage of

substances within the intervillous space is a. Active transport b. Diffusion c. Facilitated diffusion: a. Active transport

  1. The umbilical vein carries a. Carbon dioxide from the fetus back to the placenta b. Deoxygenated blood from the fetus to the placenta c. Oxygenated blood from the placenta to the fetus: c. Oxygenated blood from the placenta to the fetus
  2. Fetal hypoxia is best described as a condition of a. Decreased oxygen in the blood b. Decreased oxygen in the tissue c. Increased hydrogen ions in the blood: b. Decreased oxygen in the tissue
  3. Stimulation of the PNS causes the FHR to a. Decrease b. Increase c. Remain the same: a. Decrease
  4. Chemoreceptors respond mainly to changes in a. Blood pressure b. Hormonal leves c. Oxygen and CO2 levels: c. Oxygen and CO2 levels
  5. The fetus responses to a significant drop of PO2 by a. Increasing oxygen consumption b. Reducing lactic acid production c. Shifting blood to vital organs: c. Shifting blood to vital organs
  6. Activation of fetal peripheral chemoreceptors results in which FHR change a. Decrease b. Increase c. No change: a. Decrease
  7. A patient receiving oxytocin has 17 ctx in 30 minutes, according to the NICHD guidelines this is called a. Hyperstimulation b. Hypertonus c. Tachysystole: c. Tachysystole
  8. Maternal supine hypotension is caused mainly by compression of the a. Inferior vena cava b. Spiral arteries c. Uterine vessels: a. Inferior vena cava

b. Intervillous space flow c. Maternal arterial vasoconstriction: c. Maternal arterial vasoconstriction

  1. BMZ given to the mother can transiently affect the FHR by a. Decreasing the variability b. Increasing the variability c. Lowering the baseline: a. Decreasing the variability
  2. A FHR change that can be seen after administration of butophanol (Stadol) is a. Bradycardia b. Marked variability c. Sinusoidal-appearing: c. Sinusoidal-appearing
  3. Which one of the following statements reflects the predictability of fetal monitoring tracings? a. A category II tracing is highly predictive of a poorly oxygenated fetus b. A category I tracing is highly predictive of a well oxygenated fetus c. There is no difference in the predictability of a category I, II, or III tracing: b. A category I tracing is highly predictive of a well oxygenated fetus
  4. One FHR pattern that is associated with an abnormal acid-base status is a. Minimal variability with no accels or decels b. Recurrent variable decels with absent variability c. Tachycardia with absent variability: b. Recurrent variable decels with absent variability
  5. The NICHD definitions are applicable to a. Antepartum only b. Antepartum and intrapartum c. Intrapartum only: b. Antepartum and intrapartum
  6. A wandering FHR baseline may be indicative of a. Fetal seizure activity b. Impending fetal death c. Maternal medication administration: b. Impending fetal death
  7. A fetal heart rate pattern that is likely to be seen with maternal hypothermia is a. Bradycardia b. Marked variability c. Tachycardia: a. Bradycardia
  8. Tachycardia is associated with increased a. Parasympathetic tone b. Sympathetic tone

c. Vagal response: b. Sympathetic tone

  1. A woman being monitored externally has a suspected fetal arrhythmia. The most appropriate action is to a. Insert an FSE and turn off the logic b. Turn the logic on if an external monitor is in place c. Use a doppler to listen to the ventricular rate: a. Insert an FSE and turn off the logic
  2. Which fetal heart sounds are counted with a stethoscope or fetoscope? a. Atrial b. Atrial and ventricular c. Ventricular: c. Ventricular
  3. When using auscultation to determine the DHR baseline, the FHR should be counted after the contractions for a. 5-10 seconds b. 15-30 seconds c. 30-60 seconds: c. 30-60 seconds
  4. Which of the following fetal heart characteristics can be determined using auscultation? a. Baseline b. Type of decelerations c. Variability: a. Baseline
  5. One advantage of using a fetoscope is that it can a. Allow more rapid detection of a baseline change b. More accurately assess the FHR variability c. Verify the presence of an irregular rhythm: c. Very the presence of an irregular rhythm
  6. According to ACOG, intermittent auscultation is appropriate for a. All pregnancies b. Neither complicated or uncomplicated pregnancies c. Uncomplicated pregnanies: c. Uncomplicated pregnancies
  7. A woman who is 34 weeks is counting FM each day. Today she counted 8 FM in 2 hours. Based on her kick counts, she should a. Continue counting for one more hour b. D/C counting until tomorrow c. Notify her provider for further evaluation: c. Notify her provider for further evaluation
  8. A biophysical score of 6 is considered a. Abnormal b. Normal

c. Equivocal: c. Equivocal

c. Well-being: b. Oxygenation

  1. What is the NICHD definition of baseline rate?: Approximate mean FHR rounded to increments of 5 bpm during a 10-minute window excluding accelerations and decelerations and periods of marked variability. There must be e2 minutes of identifiable baseline segments (not necessarily contiguous) in any 10- minute window, or the baseline for that period is indeterminate. In such cases, one may need to refer to the previous 10-minute window for determination of the baseline.
  2. What is the NICHD definition of fetal bradycardia?: Baseline rate of <110 bpm.
  3. What is the NICHD definition of fetal tachycardia?: Baseline rate of

160 bpm.

  1. What is the NICHD definition of baseline variability?: Determined in a 10-minute window, excluding accelerations and decelerations. Fluctuations in the baseline FHR that are irregular in amplitude and frequency and are visually quanti- fied as the amplitude of the peak-to-trough in bpm.
  2. What is the NICHD definition of absent variability?: Amplitude range unde- tectable.
  3. What is the NICHD definition of minimal variability?: Amplitude range visu- ally detectable but d5 bpm. (Greater than undetectable but d5 bpm)
  4. What is the NICHD definition of moderate variability?: Amplitude range 6- 25 bpm.
  5. What is the NICHD definition of marked variability?: Amplitude range

25 bpm.

  1. What is the NICHD definition of an acceleartion?: Visually apparent abrupt increase in FHR. Abrupt increase is defined as an increase from onset of acceler- ation to peak is <30 seconds. Peak must be e15 bpm, must last e seconds, but <2 minutes from the onset to return. Before 32 weeks of gestation, accelerations are defined as having a peak e10 bpm and duration of e10 seconds.
  2. What is the NICHD definition of a prolonged acceleration?: Acceleration e2 minutes but <10 minutes in duration. Acceleration lasting e10 minutes is defined as a baseline change.
  3. What is the NICHD definition of an early deceleration?: Visually apparent,

contraction. The gradual FHR decrease is defined as from the onset to FHR nadir of e30 seconds. The decrease in FHR is calculated from onset to the nadir of deceleration. The deceleration is delayed in timing, with nadir of the deceleration occurring after the peak of the contraction. In most cases, the onset, nadir, and recovery of the deceleration occur after the beginning, peak, and ending of the contraction, respectively.

  1. What is the NICHD definition of a variable deceleration?: Visually apparent abrupt decrease in FHR. An abrupt FHR decrease is defined as from the onset of the deceleration to the beginning of the FHR nadir of < seconds. The decrease in FHR is calculated from the onset to the nadir of deceleration. The decrease in FHR is e15 bpm, lasting e15 seconds, and < minutes in duration. When variable decelerations are associated with uterine contractions, their onset, depth, and duration commonly vary with successive uterine contractions. Variable decelerations have a depth criteria; they must drop at least 15 or more bpm to be considered a variable deceleration.
  2. What is the NICHD definition of a prolonged deceleration?: Visually ap- parent decrease in FHR from baseline that is e15 bpm, lasting e minutes, but <10 minutes. A deceleration that lasts e10 minutes is baseline change. Prolonged decelerations have a depth criteria; they must drop at least 15 or more bpm to be considered a prolonged deceleration.
  3. What is the NICHD definition of recurrent decelerations?: Occurring with e50% of contractions in any 20 minute window.
  4. What is the NICHD definition of intermittent decelerations?: Occurring with <50% of contractions in any 20 minute window.
  5. What is the NICHD definition of sinusoidal pattern?: Visually apparent, smooth, sine wave-like undulating pattern in FHR baseline with cycle frequency of 3-5/minutes that persists for e20 minutes.
  6. What is the NICHD definition of uterine activity?: Uterine activity is assessed based on the number of contractions that are occurring in a 10 minute segment, averaged over a 30 minute period.
  7. What is the NICHD definition of normal uterine activity?: 5 or less contrac- tions in a 10 minute segment, averaged over a 30 minute period.
  8. What is the NICHD definition of tachysystole?: Excessive uterine activity;

more than 5 contractions in a 10 minute segment averaged over a 30 minute period. Tachysystole can be the result of both spontaneous and stimulated labor

  1. How do narcotics influence FHR?: Decrease in variability, decrease in fre- quency of accelerations
  2. How does butorphanol influence FHR?: Transient sinusoidal fetal heart rate pattern, slight increase in baseline rate

influ- ence FHR?: Variable decelerations

  1. How does a uterine rupture influence FHR?: Variable decelerations Prolonged decelerations

Minimal variability Bradycardia

  1. How does fetal anemia influence FHR?: Sinusoidal pattern Tachycardia Minimal variability Absence of accelerations
  2. How does fetal heart block influence FHR?: Bradycardia Minimal variability
  3. How does fetal cardiac failure influence FHR?: Bradycardia Minimal variability