Free Electronic Fetal Monitoring examination Practice Questions

Sample Practice Questions

Try these 10 sample questions from the Electronic Fetal Monitoring examination practice bank. Each includes the answer and explanation. Continue with the interactive practice above to review the full question set.

1. 1A laboring patient has intact membranes and needs continuous recording of fetal heart rate and contraction timing. Which equipment pairing can obtain these recordings without entering the uterus?

   1. A. Fetal scalp electrode and external tocodynamometer
   2. B. Abdominal Doppler transducer and external tocodynamometer
   3. C. Abdominal Doppler transducer and intrauterine pressure catheter
   4. D. Fetal scalp electrode and intrauterine pressure catheter

   Answer: B

   Explanation: ACOG describes external monitoring: "One belt uses Doppler". The second abdominal sensor records contraction timing. This pair works with intact membranes; both a scalp electrode and an intrauterine pressure catheter require internal access after membrane rupture.

   Reference: Fetal Heart Rate Monitoring During Labor — How is external monitoring performed?; How is internal monitoring performed?

2. 2An obstetric clinician explains that trophoblast invasion enlarges maternal vessels to optimize blood flow into the placenta. Which vessels undergo this remodeling?

   1. A. Umbilical arteries
   2. B. Uterine spiral arteries
   3. C. Umbilical vein
   4. D. Uterine veins

   Answer: B

   Explanation: Under Spiral Artery Remodeling, NICHD states, "This remodeling makes the vessel larger and optimizes the blood flow to the placenta." This describes maternal uterine spiral arteries. Umbilical vessels belong to the fetal circulation, and uterine veins drain rather than provide this arterial inflow.

   Reference: Human Placenta Project: How Does the Placenta Form? — Spiral Artery Remodeling

3. 3A clinician reviews a 10-minute fetal heart-rate segment containing several accelerations and decelerations. After excluding these and other ineligible segments, what minimum total duration of identifiable baseline is needed to determine the baseline?

   1. A. 30 seconds
   2. B. 1 minute
   3. C. 2 minutes
   4. D. 5 minutes

   Answer: C

   Explanation: The NICHD definition in NCI Thesaurus states, "In any given 10 minute window, the minimum baseline duration must be at least 2 minutes but not necessarily contiguous." Two minutes is the minimum total; the eligible segments need not form one continuous interval. Thirty seconds and one minute are insufficient, while five minutes exceeds the required minimum.

   Reference: NCI Thesaurus: Baseline Fetal Heart Rate — Concept C92741, NICHD alternate definition

4. 4While explaining a handheld Doppler examination, a clinician describes how the device detects fetal cardiac motion through the maternal abdomen. Which physical signal does it use?

   1. A. Electrical potential
   2. B. Optical absorption
   3. C. Mechanical strain
   4. D. Ultrasound waves

   Answer: D

   Explanation: NICHD states that the transducer "detects fetal cardiac motion using ultrasound." Electrical potential, optical absorption, and mechanical strain are real measurement principles, but they are not the Doppler ultrasound mechanism.

   Reference: NCI Thesaurus — Fetal Doppler Monitoring — Concept C114081, NICHD definition

5. 5A HIPAA-covered hospital securely sends ordinary fetal monitoring records to the obstetric team accepting the patient for treatment. Considering the HIPAA Privacy Rule alone, which authorization statement is correct?

   1. A. A separate written patient authorization is required.
   2. B. An institutional review board waiver is required.
   3. C. No separate patient authorization is required.
   4. D. A business associate agreement is required.

   Answer: C

   Explanation: HHS permits treatment disclosures to another provider "without needing patient consent or authorization". The receiving obstetric team is providing treatment. A separate patient authorization, research waiver, or business associate agreement is not required for this provider-to-provider treatment disclosure under HIPAA.

   Reference: HHS — Permitted Uses and Disclosures: Exchange for Treatment — p. 1, introductory paragraph beginning Other laws may apply

6. 6After membrane rupture, an obstetric clinician plans direct internal measurement of uterine pressure during contractions. Which device provides this measurement?

   1. A. Fetal scalp electrode
   2. B. Abdominal Doppler transducer
   3. C. Intrauterine pressure catheter
   4. D. External tocodynamometer

   Answer: C

   Explanation: ACOG identifies "an intrauterine pressure catheter" as the tube inserted into the uterus to monitor contractions. It measures uterine pressure internally. A scalp electrode and Doppler transducer monitor heart rate, while an external tocodynamometer records contraction timing without directly measuring intrauterine pressure.

   Reference: Fetal Heart Rate Monitoring During Labor — How is internal monitoring performed?

7. 7During counseling about fetal oxygen supply before birth, a pregnant patient asks which organ transfers oxygen from the maternal circulation to the developing fetus. Which organ performs this exchange?

   1. A. Fetal liver
   2. B. Fetal lung
   3. C. Placenta
   4. D. Fetal kidney

   Answer: C

   Explanation: NICHD explains, "The placenta develops to bring oxygen and nutrients to the fetus". Before birth, maternal-fetal oxygen transfer occurs at the placenta. The fetal liver, lungs, and kidneys have other functions and do not provide this maternal-fetal exchange interface.

   Reference: Human Placenta Project: How Does the Placenta Form? — Placental Development: Fertilization to Full Term

8. 8When reviewing a term patient's tracing, the clinician has identified a stable baseline. Which of these baseline values falls within the normal fetal heart-rate range?

   1. A. 105 beats/min
   2. B. 135 beats/min
   3. C. 165 beats/min
   4. D. 185 beats/min

   Answer: B

   Explanation: The IHS manual specifies "normal fetal heart rate (110-160)". A baseline of 135 beats/min lies within that range. The other values fall below or above its boundaries. This classification does not replace assessment of variability, decelerations, and the clinical setting.

   Reference: Obstetric Readiness in the Emergency Department (ObRED) Manual — p. 40, Basic Obstetrics Education, Fetal Monitoring

9. 9During labor, a clinician applies digital pressure and rubbing to the accessible fetal scalp as a stimulation assessment. Which fetal heart rate response is being sought?

   1. A. An early deceleration
   2. B. A variable deceleration
   3. C. An acceleration
   4. D. A late deceleration

   Answer: C

   Explanation: NICHD describes digital scalp stimulation as a technique "to elicit a fetal heart rate acceleration response during labor." The desired response is acceleration, rather than a deceleration of any morphology.

   Reference: NCI Thesaurus — Digital Fetal Scalp Stimulation — Concept C114087, NICHD definition

10. 10A pregnant patient with decision-making capacity understands the proposed fetal monitoring intervention and its alternatives but declines it. Respect for her voluntary decision primarily expresses which ethical principle?

    1. A. Autonomy
    2. B. Beneficence
    3. C. Nonmaleficence
    4. D. Justice

    Answer: A

    Explanation: ACOG describes the obligation to "safeguard the pregnant woman’s autonomy" when she refuses recommended treatment. Autonomy concerns her decision-making authority. Beneficence concerns promoting benefit, nonmaleficence avoiding harm, and justice fair treatment or distribution.

    Reference: ACOG — Refusal of Medically Recommended Treatment During Pregnancy — Abstract