Pass Exam Questions Efficiently With EFM Questions (2026)
EFM Questions - Truly Beneficial For Your NCC Exam
NEW QUESTION # 68
To differentiate a fetal dysrhythmia from artifact, it is important to recognize that artifact appears as deflections that are:
- A. Uniform but occur irregularly
- B. Varied and disorganized
- C. Similar in pattern
Answer: B
Explanation:
Comprehensive and Detailed Explanation From NCC-Aligned Sources:
Artifact on fetal monitoring:
* Appears erratic, disorganized, and without physiologic pattern
* Shows random amplitude changes
* Often correlates with maternal movement, monitor displacement, or poor signal
* Lacks cyclical, repetitive characteristics seen in true dysrhythmias
Fetal dysrhythmias, by contrast:
* Have repetitive, patterned, predictable rhythm disturbances
* May show uniform premature beats, bigeminy, or sudden rate shifts
Therefore, varied and disorganized = artifact.
References:NCC Candidate Guide; AWHONN FHMPP; Menihan; Miller's Pocket Guide.
NEW QUESTION # 69
A woman is admitted to labor and delivery with vaginal bleeding. This tracing is obtained. This is most consistent with:
- A. An indeterminate pattern
- B. Dysrhythmia
- C. Normal baseline
Answer: A
Explanation:
Comprehensive and Detailed Explanation From Exact Extract-Based NCC C-EFM References:
The tracing shows:
* Baseline approx. 120 bpm
* Minimal variability (amplitude <5 bpm) across the entire strip
* No accelerations
* No decelerations
* Contractions present but not excessive
NCC defines:
* Category I requires moderate variability # not present.
* Category III requires absent variability with recurrent decels, bradycardia, or sinusoidal pattern # not present.
* Thus this falls into Category II: "indeterminate."
Minimal variability for this length of time cannot be considered a normal baseline, especially in the setting of vaginal bleeding, which raises concern for:
* Abruption
* Maternal anemia
* Hypovolemia
* Decreased uteroplacental perfusion
There is no evidence of dysrhythmia (no irregular R-R intervals, no chaotic spikes, no sawtooth pattern).
Therefore, the correct interpretation is A. An indeterminate pattern (Category II).
References:NCC C-EFM Candidate Guide; NICHD Definitions; AWHONN Principles & Practices; Menihan; Simpson & Creehan; Creasy & Resnik.
NEW QUESTION # 70
A woman at 38-weeks gestation is admitted to labor and delivery following a fall down the stairs three hours ago. She started feeling contractions in the ambulance. The fetal heart rate tracing shown is on initial evaluation and represents 25 minutes. This tracing is most consistent with a
- A. category I tracing
- B. category II tracing
- C. category III tracing
Answer: B
Explanation:
Comprehensive and Detailed Explanation From Exact Extract without any URL or Links According to the NCC C-EFM 2025 Candidate Guide, Pattern Recognition and Intervention requires the candidate to classify fetal heart rate (FHR) patterns using the NICHD 2008 three-tier system, which NCC endorses across all recommended resources (AWHONN Fetal Heart Monitoring Principles and Practices, Menihan Electronic Fetal Monitoring, Simpson & Creasy, Miller's Pocket Guide).
A Category II tracing is defined as "indeterminate" and includes any FHR pattern that is not Category I and not Category III. NCC references indicate that Category II may include:
* Minimal or marked variability
* Absence of accelerations after fetal stimulation
* Recurrent variable decelerations with moderate variability
* Prolonged decelerations lasting 2-10 minutes
* Baseline tachycardia or bradycardia without absent variability
In the tracing provided:
* The baseline FHR is approximately 135-145 bpm, within normal limits.
* Moderate variability is not consistently present; variability is borderline minimal-moderate at times.
* No significant accelerations are seen over the 25-minute evaluation period.
* No recurrent late or prolonged decelerations are present.
* There are occasional subtle variable-type dips, but not enough to meet criteria for Category III.
NCC-endorsed texts (such as AWHONN and Menihan) state that a tracing with minimal variability for less than 40 minutes and without recurrent decelerations is Category II, as it fails to meet the requirements for Category I (must have moderate variability and accelerations absent decelerations) and lacks the criteria for Category III (must have absent variability with recurrent late decels, recurrent variable decels, bradycardia, or sinusoidal pattern).
Therefore, this pattern is indeterminate, consistent with Category II, and requires continued surveillance and evaluation, which aligns with NCC-recommended clinical decision-making competencies.
NEW QUESTION # 71
The fetal heart rate tracing shown represents
- A. category III
- B. category I
- C. category II
Answer: C
Explanation:
Comprehensive and Detailed Explanation From Exact Extract NCC-Recommended Sources The tracing demonstrates a baseline within normal limits, moderate variability, and recurrent variable decelerations associated with contractions. According to NICHD/NCC definitions reproduced in AWHONN' s Fetal Heart Monitoring Principles & Practices and Menihan's Electronic Fetal Monitoring, recurrent variable decelerations with preserved variability classify the tracing as Category II.
A Category I pattern must show baseline 110-160, moderate variability, and absence of late or variable decelerations. Because this tracing shows recurrent variable decelerations, it does not meet Category I criteria.
Category III requires absent variability PLUS recurrent late decelerations, recurrent variable decelerations, bradycardia, or a sinusoidal pattern. This tracing shows moderate variability, therefore it cannot be Category III.
Simpson & Creehan emphasize that variable decelerations reflect cord compression and fall into Category II unless accompanied by absent variability. Miller's Pocket Guide confirms that moderate variability maintains fetal compensatory reserve, keeping the pattern in Category II.
References:
AWHONN - Fetal Heart Monitoring Principles & PracticesMenihan - Electronic Fetal MonitoringSimpson & Creehan - Perinatal NursingCreasy & Resnik - Maternal-Fetal MedicineMiller's Pocket Guide
NEW QUESTION # 72
(Full question statement)
A woman at 39-weeks gestation is in labor, progressing normally. The baseline fetal heart rate has increased from 125 to 150 beats per minute over the last hour with moderate variability. What is the next step?
- A. Continue to observe
- B. Initiate antibiotic therapy
- C. Perform an ultrasound
Answer: A
Explanation:
Comprehensive and Detailed Explanation From Exact Extract Without Links:
NCC-recommended references (Simpson, AWHONN FHM, Creasy & Resnik) note that baseline increases within the normal range (110-160 bpm) accompanied by moderate variability are typically benign. Mild physiologic causes-maternal activity, fetal stimulation, or normal sympathetic activation-may transiently raise baseline FHR.
AWHONN stresses that intervention is required only when tachycardia exceeds 160 bpm or when variability is minimal/absent or accompanied by recurrent decelerations.
Here, the baseline increase to 150 bpm remains within normal limits and is paired with moderate variability, which the NCC recognizes as the strongest indicator of adequate fetal oxygenation.
Therefore, evaluation is complete, and continued observation is the appropriate course.
NEW QUESTION # 73
A fetal heart rate pattern characteristic of fetal neurological injury and impending intrapartum fetal demise is:
- A. Recurrent late decelerations
- B. Wandering baseline
- C. Marked variability
Answer: B
Explanation:
Comprehensive and Detailed Explanation From NCC-Aligned Sources:
A wandering baseline is:
* A slow, fluctuating baseline
* Low amplitude
* No variability
* No accelerations
* Indicative of severe fetal neurologic injury and terminal fetal status NCC and AWHONN describe wandering baseline as a preterminal pattern.
Why the other answers are wrong:
* A. Marked variability # often transient and not associated with demise.
* B. Recurrent lates # concerning but not a neurological-injury pattern unless variability absent.
Correct answer: C. Wandering baseline.
References:NCC Pattern Recognition; AWHONN FHMPP; Menihan; Simpson & Creehan.
NEW QUESTION # 74
During the second stage of labor, a period of bradycardia develops. The fetal heart rate baseline variability is moderate. The most likely cause of this bradycardia is:
- A. Cord compression
- B. Vasospasm
- C. Vagal stimulation
Answer: C
Explanation:
Comprehensive and Detailed Explanation From NCC-Aligned Sources:
Second-stage bradycardia with moderate variability most commonly occurs from:
* Vagal stimulation caused by head compression, particularly during descent and pushing.
Moderate variability indicates:
* Neurologically intact fetus
* Sufficient oxygen reserve
* Temporary nature of bradycardia
This aligns with physiologic vagal slowing rather than hypoxic mechanisms.
Why the incorrect answers are wrong:
* A. Cord compression # typically produces variable decelerations, not sustained bradycardia with preserved variability.
* C. Vasospasm # associated with late decelerations and decreased variability (uteroplacental insufficiency).
Correct answer: B. Vagal stimulation
References:NCC Physiology Domain; AWHONN FHMPP; Menihan; Simpson & Creehan.
NEW QUESTION # 75
A fetus displays a baseline heart rate of 125 beats per minute with moderate variability. During a contraction, the baseline rate drops abruptly to 80 beats per minute with gradual return to baseline over 90 seconds. This is classified as:
- A. Prolonged deceleration
- B. Variable deceleration
- C. Early deceleration
Answer: B
Explanation:
Comprehensive and Detailed Explanation From NCC-Aligned Sources:
NICHD definitions:
A variable deceleration is identified by:
* Abrupt onset(drop from baseline to nadir in <30 seconds)
* Depth #15 bpm
* Duration #15 seconds and <2 minutes
* Variable timing relative to contractions
* Variable shape (sharp drop, jagged descents, rapid recovery)
The scenario describes:
* Abrupt drop from 125 # 80 bpm (rapid onset)
* Lasting 90 seconds (still <2 minutes)
* Gradual return but still within variable range
* Occurring during a contraction
* Depth >15 bpm
This meets ALL criteria for a variable deceleration.
Why the other options are wrong:
* A. Early deceleration
* Requires gradual onset (>30 seconds).
* Mirrors contraction shape.
* Caused by head compression.
* This decel is abrupt, so NOT early.
* B. Prolonged deceleration
* Requires #2 minutes and <10 minutes.
* This decel lasts 90 seconds, which is below the threshold.
Correct classification: Variable deceleration.
References:NICHD FHR Definitions; NCC Pattern Recognition Domain; AWHONN FHMPP; Menihan; Simpson & Creehan.
NEW QUESTION # 76
The tracing shown is a:
- A. Category II
- B. Category I
- C. Category III
Answer: A
Explanation:
Comprehensive and Detailed Explanation From Exact Extract-Based NCC C-EFM References:
The tracing demonstrates:
* Baseline: approx. 140 bpm
* Variability: minimal-to-moderate (fluctuating but not consistently moderate)
* Decelerations: shallow variable decelerations
* Accelerations: not consistently present
According to NICHD/NCC definitions:
Category I requires ALL of the following:
* Baseline 110-160
* Moderate variability
* No late or variable decelerations
* Early decels and accelerations may be present
This tracing does not have consistently moderate variability and does have variable decelerations, so it is not Category I.
Category III requires ANY of the following:
* Absent variability with recurrent late decels
* Absent variability with recurrent variable decels
* Absent variability with bradycardia
* Sinusoidal pattern
This tracing does not show absent variability, bradycardia, or recurrent significant lates.
Category II includes:
* Minimal variability
* Absence of accelerations
* Variable decelerations
* Tracings not clearly Category I or III
This strip fits Category II exactly due to minimal variability + intermittent variable decelerations.
Thus, the correct classification is Category II.
References:NCC C-EFM Candidate Guide; NICHD Three-Tier Interpretation System; AWHONN Fetal Heart Monitoring Principles & Practices; Menihan; Miller; Simpson & Creehan.
NEW QUESTION # 77
Tachysystole can have a negative effect on fetal oxygenation during labor by
- A. interfering with reperfusion of the intervillous space
- B. increasing maternal blood pressure
- C. blocking active transport of oxygen to the fetus
Answer: A
Explanation:
Comprehensive and Detailed Explanation From Exact Extract NCC-Recommended Sources NCC-recommended physiology references (AWHONN, Simpson & Creehan, Menihan, Creasy & Resnik) consistently state that the primary mechanism by which tachysystole affects fetal oxygenation is reduced uteroplacental perfusion, specifically through impaired intervillous space reperfusion.
During a normal contraction cycle, the fetus receives oxygen between contractions, when the uterus relaxes and maternal blood re-enters the intervillous space. AWHONN's Fetal Heart Monitoring Principles & Practices explains that tachysystole-defined as more than five contractions in 10 minutes averaged over 30 minutes-shortens or eliminates the relaxation phase, preventing adequate placental reoxygenation.
Simpson & Creehan highlight that "tachysystole decreases uteroplacental blood flow and interferes with replenishment of oxygenated maternal blood in the intervillous space." Menihan emphasizes that fetal hypoxemia in tachysystole results from interrupted perfusion, not from altered oxygen transport or maternal hemodynamic changes. Creasy & Resnik confirm that uterine overactivity reduces intervillous perfusion during contractions and impairs fetal oxygen exchange.
Thus, the physiologic problem is failure of the intervillous space to reperfuse, which compromises fetal oxygenation.
References:
AWHONN - Fetal Heart Monitoring Principles & PracticesSimpson & Creehan - Perinatal NursingMenihan
- Electronic Fetal MonitoringCreasy & Resnik - Maternal-Fetal MedicineMiller's Pocket Guide
NEW QUESTION # 78
During amnioinfusion, the infusion should be stopped periodically to assess changes in:
- A. Contraction pattern
- B. Baseline uterine pressure
- C. Patient pain level
Answer: B
Explanation:
Comprehensive and Detailed Explanation From Exact Extract-Based NCC C-EFM References:
During amnioinfusion, NCC emphasizes monitoring for uterine overdistention, which can lead to uterine hypertonus, uterine rupture, or placental separation. The primary way to evaluate overdistention is by measuring baseline uterine pressure via IUPC.
* Rising resting tone (>20-25 mmHg) indicates accumulating fluid and risk.
* Stopping the infusion intermittently allows recalibration and assessment of uterine baseline pressure.
* Contraction pattern (option B) is important but not the primary safety parameter.
* Pain (option C) is nonspecific and not a reliable indicator of uterine overdistention.
Thus, the infusion is stopped to assess baseline uterine pressure.
References:NCC C-EFM Candidate Guide; AWHONN Fetal Heart Monitoring Principles & Practices; Miller' s Fetal Monitoring Pocket Guide; Menihan Electronic Fetal Monitoring.
NEW QUESTION # 79
A woman reports 12 fetal movements over one hour. The best recommendation is to:
- A. Administer a nonstress test
- B. Instruct her to count again the next day
- C. Continue to monitor for one hour
Answer: B
Explanation:
Comprehensive and Detailed Explanation From Exact Extract-Based NCC C-EFM References:
NCC and AWHONN consider fetal movement counts normal when:
* #10 distinct movements occur within 2 hours
* Or #4 movements in 1 hour for certain protocols
* Or #10 movements in 1 hour (common triage threshold)
This patient reports 12 movements in 1 hour, which is reassuring and requires no further testing.
Thus, recommending she continue daily kick counts at home is appropriate.
Why the other options are incorrect:
* A. NST is not needed because movements are normal.
* B. Continue to monitor is unnecessary; the test is already reassuring.
Correct choice: C. Count again the next day.
References:NCC C-EFM Candidate Guide; AWHONN Fetal Assessment guidelines; Simpson & Creehan.
NEW QUESTION # 80
A woman at 39-weeks gestation is being induced. She has chronic hypertension controlled by methyldopa (Aldomet). Spontaneous rupture of membranes has occurred; she is 10 cm dilated and at +1 station. The fetal monitor tracing shown is obtained by spiral electrode and tocodynamometer. The next best appropriate action is to:
- A. Consider amnioinfusion
- B. Administer terbutaline
- C. Modify pushing
Answer: C
Explanation:
Comprehensive and Detailed Explanation From Exact Extract-Based NCC C-EFM References:
The tracing shows recurrent variable decelerations deepening during contractions as the patient is fully dilated and at +1 station.
NCC's Pattern Recognition and Intervention framework states:
* During second stage (complete dilation), variable decelerations commonly occur from cord compression caused by head descent and maternal pushing efforts.
* The FIRST correction for pushing-associated recurrent variable decelerations is modifying the pushing technique:
* Side-lying pushing
* Pushing with every other contraction
* Open-glottis pushing
* Allowing passive descent
These measures relieve head compression and reduce the severity of variable decelerations.
Why the other answers are incorrect
A). Administer terbutaline
* Terbutaline is given for tachysystole with fetal intolerance.
* This tracing does not show tachysystole.
* The pattern is timing-related to pushing, not uterine overstimulation.
B). Consider amnioinfusion
* Amnioinfusion is used for recurrent variable decelerations before complete dilation, when membrane rupture + low fluid is suspected.
* At 10 cm and +1, the fetal head is deep in the pelvis, and the cause of variables is head compression, not cord compression due to oligohydramnios.
* Also, amnioinfusion is impractical and not beneficial at this stage.
Therefore, the correct answer is C. Modify pushing.
References:NCC C-EFM Candidate Guide; NCC Content Outline; AWHONN Principles & Practices; Miller' s Fetal Monitoring Pocket Guide; Menihan Electronic Fetal Monitoring; Simpson & Creehan; Creasy & Resnik.
NEW QUESTION # 81
Uterine contraction intensity is manually measured by degree of uterine:
- A. Indentation
- B. Muscle strength
- C. Pain
Answer: A
Explanation:
Comprehensive and Detailed Explanation From NCC-Aligned Equipment Concepts:
When using external tocodynamometry, uterine contraction intensity cannot be measured in mmHg. It is assessed manually, using palpation. NCC and AWHONN teach:
* Contraction intensity is estimated by palpating the fundus during a contraction.
* The degree of firmness versus indentation determines intensity:
* Mild # uterus easily indented
* Moderate # firm, difficult to indent
* Strong # rigid, cannot be indented
Why the incorrect answers are wrong:
* B. Muscle strength - Not measurable by external or manual exam.
* C. Pain - Not a reliable indicator; pain perception varies widely and does not correlate with uterine intensity.
Thus, the correct manual measurement is done through uterine indentation, making A correct.
References:NCC C-EFM Candidate Guide; AWHONN Principles & Practices; Menihan EFM; Miller's Pocket Guide; Simpson & Creehan.
NEW QUESTION # 82
This patient received an epidural 15 minutes prior to the tracing shown. The next course of action is to:
- A. Perform a cervical exam
- B. Check maternal blood pressure
- C. Continue to monitor
Answer: B
Explanation:
Comprehensive and Detailed Explanation From Exact Extract-Based NCC C-EFM References:
This tracing demonstrates:
* A sudden prolonged deceleration following epidural placement
* Minimal variability during the deceleration
* Event occurring within 15 minutes of epidural
NCC, AWHONN, and Menihan emphasize that maternal hypotension is the most common complication immediately following epidural analgesia. Hypotension leads to:
* Reduced uteroplacental perfusion
* Fetal bradycardia or prolonged decelerations
* Decreased variability during the deceleration
Typical fetal response to maternal hypotension:
Late-like or prolonged deceleration with weakening variability, exactly like the strip shown.
Therefore, the FIRST and most critical step is to check maternal blood pressure.
Other options:
* B. Continue to monitor - unsafe when a prolonged deceleration is present.
* C. Cervical exam - not indicated; the fetal tracing deterioration is temporally linked to epidural placement.
Thus, the correct action is A. Check maternal blood pressure.
References:NCC C-EFM Candidate Guide; AWHONN Fetal Heart Monitoring Principles & Practices; Menihan Electronic Fetal Monitoring; Miller's Fetal Monitoring Pocket Guide; Creasy & Resnik Maternal- Fetal Medicine.
NEW QUESTION # 83
A woman with hypertension at 38-weeks gestation has a biophysical profile. The result is 4/10 with decreased amniotic fluid volume. The next step should be to:
- A. Repeat the biophysical profile in 24 hours
- B. Admit for delivery
- C. Discharge home on bedrest
Answer: B
Explanation:
Comprehensive and Detailed Explanation From NCC-Aligned BPP Management Standards:
NCC, AWHONN, and maternal-fetal medicine guidelines state:
* A BPP score of 4/10 at term is abnormal.
* A low score indicates hypoxia-related CNS suppression.
* Oligohydramnios is an additional high-risk finding, especially in hypertension.
* At # 37 weeks, a BPP score of # 4/10 warrants immediate delivery.
Repeating the test is acceptable at preterm gestations (e.g., < 32-34 weeks), but not at 38 weeks.
Why the other answers are incorrect:
* B. Discharge home - Contraindicated with abnormal BPP.
* C. Repeat in 24 hours - Not recommended at term with a score of 4.
Correct answer: A. Admit for delivery
References:NCC C-EFM Candidate Guide; AWHONN FHMPP; Creasy & Resnik MFM; Simpson & Creehan; Menihan.
NEW QUESTION # 84
A patient at 41 weeks gestation is being induced. She has progressed slowly and is now at 6 cm, 90% effaced,
-1 station. She has the fetal heart tracing shown despite repositioning. The next step in the management of this patient should be to:
- A. Perform an amnioinfusion
- B. Decrease the oxytocin
- C. Apply a spiral electrode
Answer: A
Explanation:
Comprehensive and Detailed Explanation From Exact Extract-Based NCC C-EFM References:
The tracing clearly shows recurrent deep variable decelerations, characterized by:
* Abrupt onset (<30 sec)
* Sharp V-shape
* Rapid descent and ascent
* Depth exceeding 60-70 bpm drops
* Occurring with most contractions
This pattern is highly consistent with cord compression, which is the physiologic basis of variable decelerations. According to NCC, NICHD, AWHONN, Miller, and Menihan, recurrent (#50% of contractions) deep variables with slow return to baseline indicate fetal compromise and require targeted intervention.
The patient has already been repositioned, so first-line management has failed. NCC emphasizes that the next recommended intervention for recurrent variable decelerations, particularly when maternal repositioning is ineffective, is amnioinfusion. This intervention relieves cord compression by restoring fluid around the umbilical cord.
Why the other choices are incorrect:
A). Apply a spiral electrode - NOT appropriate
* Spiral electrodes improve signal quality but do not treat cord compression.
* The tracing is already clearly interpretable, and the issue is physiologic, not technical.
B). Decrease the oxytocin - Not the best next step
* Decreasing oxytocin is appropriate when tachysystole is contributing to fetal intolerance.
* This strip shows normal contraction frequency (about every 2-3 minutes) and no tachysystole.
* Thus, reducing oxytocin alone will not relieve cord compression.
C). Perform an amnioinfusion - CORRECT
NCC-approved references repeatedly state:
* For recurrent variable decelerations that persist after maternal repositioning, amnioinfusion is recommended to reduce the frequency and depth of decelerations.
* It can improve fetal oxygenation, decrease cord compression, and reduce the need for operative delivery.
* It is the intervention most directly targeted to the pathophysiology of this pattern.
Therefore, C. Perform an amnioinfusion is the correct next management step.
References:NCC C-EFM Candidate Guide (2025); NCC Content Outline; NICHD FHR Interpretation System; AWHONN Fetal Heart Monitoring Principles & Practices; Miller's Fetal Monitoring Pocket Guide; Menihan Electronic Fetal Monitoring; Simpson & Creehan Perinatal Nursing; Creasy & Resnik Maternal- Fetal Medicine.
NEW QUESTION # 85
A nonstress test is nonreactive in a 36-week gestational age fetus. Vibroacoustic stimulation (VAS) is applied with no fetal response. The next step is to proceed to:
- A. Induction of labor
- B. Biophysical profile
- C. Cesarean birth
Answer: B
Explanation:
Comprehensive and Detailed Explanation From NCC-Aligned Sources:
A nonreactive NST with no response to vibroacoustic stimulation indicates:
* Possible fetal sleep cycle
* Possible CNS depression
* Possible hypoxemia
NCC, AWHONN, and MFM guidelines state the next step is a biophysical profile because:
* It evaluates fetal tone, movement, breathing, amniotic fluid, and NST
* Provides a complete assessment of fetal well-being
* Is less invasive and more informative than immediate delivery decisions Why the wrong answers are incorrect:
* B. Cesarean birth - not indicated without confirming fetal compromise.
* C. Induction of labor - not indicated until BPP clarifies fetal status.
Correct answer: A. Biophysical profile.
References:NCC C-EFM Candidate Guide; AWHONN FHMPP; Creasy & Resnik; Simpson & Creehan.
NEW QUESTION # 86
(Full question statement)
A dysrhythmia is noted. The pregnancy and labor course has been normal with no complications. The next step in management is to
- A. administer maternal oxygen
- B. continue to observe
- C. start an IV fluid bolus
Answer: B
Explanation:
Comprehensive and Detailed Explanation From Exact Extract (NCC C-EFM sources: AWHONN, Miller's Pocket Guide, Menihan, Simpson, Creasy & Resnik, 2025 Candidate Guide) AWHONN and Menihan emphasize that most fetal dysrhythmias detected intrapartum are premature atrial contractions (PACs)-the most common benign rhythm variation. They typically appear as intermittent, irregular deflections on the fetal heart rate tracing without affecting variability or baseline.
Miller's Pocket Guide to Fetal Monitoring states that PACs are usually transient, self-limiting, and require only observation unless accompanied by tachyarrhythmia or hemodynamic compromise. When variability is preserved and no repetitive pattern or sustained tachycardia occurs, no intrauterine resuscitation measures are indicated.
Simpson and Creehan describe that oxygen administration and fluid boluses are not recommended for benign dysrhythmias, as they do not improve fetal conduction patterns and may contribute to unnecessary interventions.
The NCC 2025 Candidate Guide specifies that correct management requires distinguishing benign arrhythmias from pathologic tachyarrhythmias, which would require escalation. In the absence of fetal compromise or maternal pathology, the appropriate action is continued observation.
Therefore, the correct management is to continue to observe.
NEW QUESTION # 87
A 30-minute tracing with moderate variability, accelerations, and one variable deceleration would be classified as:
- A. Category II
- B. Category I
- C. Category III
Answer: A
Explanation:
Comprehensive and Detailed Explanation From NCC-Aligned Sources:
NICHD/NCC criteria:
Category I must have ALL of the following:
* Baseline 110-160 bpm
* Moderate variability
* No late or variable decelerations
* Early decelerations may be present or absent
* Accelerations may be present or absent
Because this tracing has one variable deceleration, it fails Category I criterion ("no late or variable decelerations").
Category III requires:
* Absent variability with recurrent late decels, recurrent variables, or bradycardia, or
* Sinusoidal pattern
Those findings are not present.
Therefore, any tracing that:
* Has moderate variability and accelerations,
* But includes a variable deceleration, and
* Does not meet Category III criteria
...falls into the Category II (indeterminate) group.
Correct classification: B. Category II.
References:NCC C-EFM Candidate Guide; NICHD Three-Tier FHR Interpretation System; AWHONN FHMPP; Menihan; Simpson & Creehan.
NEW QUESTION # 88
The tracing shown is a:
- A. Category II
- B. Category I
- C. Category III
Answer: A
Explanation:
Comprehensive and Detailed Explanation From Exact Extract-Based NCC C-EFM References (No URLs):
Interpretation of fetal heart rate (FHR) tracings in the NCC C-EFM exam follows the standardized NICHD three-tier classification, which is fully adopted in NCC's content outline and recommended references such as AWHONN Fetal Heart Monitoring Principles & Practices, Miller's EFM Pocket Guide, Menihan, Simpson' s Perinatal Nursing, and Creasy & Resnik.
Baseline:
The tracing demonstrates an FHR baseline around 145-150 bpm, which falls within the normal range of 110-
160 bpm. NCC references define baseline as the mean FHR rounded to increments of 5 bpm over a 10-minute window.
Variability:
The strip shows minimal variability, with amplitude fluctuations approximately 0-2 bpm.
According to NCC-aligned definitions:
* Moderate variability: 6-25 bpm
* Minimal variability: 1-5 bpm
* Absent variability: undetectable amplitude
This tracing shows minimal variability, not moderate, so it cannot be Category I.
Accelerations:
No accelerations are present. Lack of accelerations alone does not classify the tracing as Category III.
Decelerations:
There are no recurrent late decelerations, no recurrent variable decelerations, and no prolonged decelerations. Without these, and with minimal variability, the tracing does not meet Category III criteria.
Category III criteria (per NICHD/NCC):
Must include at least one of the following:
* Absent variability with recurrent late decelerations
* Absent variability with recurrent variable decelerations
* Absent variability with bradycardia
* Sinusoidal pattern
None of these are present.
Category II criteria (per NICHD/NCC):
Category II includes tracings that are not Category I or III.
Examples specifically listed include:
* Minimal variability
* Absent accelerations after fetal stimulation
* Tachycardia
* Bradycardia without absent variability
* Variable or late decelerations occurring intermittently
Because this tracing shows minimal variability, a normal baseline, no accelerations, and no recurrent decelerations, it fits squarely into Category II.
Therefore, the correct classification is Category II.
References:NCC C-EFM Candidate Guide and Content Outline (2025); AWHONN Fetal Heart Monitoring Principles & Practices; Miller's Fetal Monitoring Pocket Guide; Menihan Electronic Fetal Monitoring; Simpson & Creehan Perinatal Nursing; Creasy & Resnik Maternal-Fetal Medicine; NICHD Three-Tier FHR Interpretation System.
NEW QUESTION # 89
This is a tracing of a multiparous woman in the second stage of labor. The vertex is at +3 station. This pattern has continued for the last 20 minutes. She has been pushing for 2½ hours, and oxytocin is infusing at 12 milliunits/minute. Management should include
- A. preparing for cesarean birth
- B. increasing the oxytocin
- C. preparing for operative vaginal birth
Answer: C
Explanation:
Comprehensive and Detailed Explanation (From NCC C-EFM-Referenced Sources) According to NCC C-EFM content guidance and AWHONN Fetal Heart Monitoring Principles (2022), recurrent variable and late patterns in second stage with descent to +2/+3 station require consideration of expediting delivery, especially when maternal effort is prolonged and oxytocin augmentation is already present.
Menihan & Simpson emphasize that with prolonged second stage, continued pushing beyond 2-3 hours, and vertex at +3 station, the evidence-based next step is operative vaginal birth, provided prerequisites are met. Cesarean is not indicated when the fetal head is already low and deliverable vaginally.
AWHONN and Creasy & Resnik state that increasing oxytocin when facing fetal stress and prolonged second stage is contraindicated, because tachysystole worsens fetal oxygenation and increases risk of fetal compromise.
Exact Extract Concepts Referenced:
- "Expedited delivery is recommended when recurrent decelerations persist in second stage and the head is low enough for operative vaginal birth." (AWHONN Principles)
- "Oxytocin should be reduced or discontinued in the presence of nonreassuring patterns." (Simpson, Obstetric Interventions)
- "Operative vaginal delivery is appropriate with full dilation, engaged head, and prolonged second stage." (Menihan, Simpson; Creasy & Resnik)
NEW QUESTION # 90
A woman (G1, P0) at 41-weeks gestation presents to OB triage to rule out labor. Her cervical exam is 1 cm/50%/-2. Membranes are intact. She would like to go home if not in labor. Based on this tracing, which represents the last two hours, the best approach is:
- A. further observation
- B. discharge to home
- C. admission to hospital
Answer: B
Explanation:
Comprehensive and Detailed Explanation From Exact Extract NCC-Recommended Sources The fetal heart rate tracing shows a normal baseline (120-150 bpm), moderate variability, and no decelerations, consistent with a Category I pattern. According to AWHONN's Fetal Heart Monitoring Principles & Practices and NCC Perinatal Safety recommendations, a Category I tracing reliably indicates normal fetal acid-base status at the time of assessment and is considered reassuring.
Simpson & Creehan emphasize that in triage, management decisions depend on cervical status, contraction pattern, membrane status, and fetal well-being. With a cervix at 1 cm/50%/-2, intact membranes, and no regular labor pattern, she is not in active or latent labor requiring admission, provided fetal status is reassuring.
Menihan states that a normal tracing lasting two hours with moderate variability supports safe discharge when maternal and fetal assessments are normal. Creasy & Resnik confirm that reassuring fetal testing plus absence of labor is appropriate for outpatient management.
References:
AWHONN - Fetal Heart Monitoring Principles & PracticesSimpson & Creehan - Perinatal NursingMenihan
- Electronic Fetal MonitoringCreasy & Resnik - Maternal-Fetal MedicineMiller's Pocket Guide
NEW QUESTION # 91
The black pattern represents the heart rate pattern for Baby A. The blue pattern represents the heart rate pattern for Baby B. A possible etiology of the baseline fetal heart rate of Baby A is:
- A. Magnesium sulfate
- B. Infection
- C. Fetal positioning
Answer: B
Explanation:
Comprehensive and Detailed Explanation From NCC-Aligned Sources:
The black tracing (Baby A) demonstrates:
* Baseline ~170-175 bpm
* Moderate variability
* No recurrent decelerations
This is fetal tachycardia.
NCC physiology guidelines list common causes of fetal tachycardia:
* Maternal fever / infection (chorioamnionitis)
* Maternal dehydration
* Maternal anxiety
* Maternal hyperthyroidism
* Fetal infection
* Certain medications (terbutaline, illicit stimulants)
Why the other options are incorrect:
* A. Fetal positioning does not influence baseline heart rate.
* C. Magnesium sulfate typically lowers fetal baseline and variability-it does not cause tachycardia.
Thus, the most likely etiology is infection.
References:NCC C-EFM Candidate Guide; AWHONN FHMPP; Menihan EFM; Simpson & Creehan; Creasy & Resnik.
NEW QUESTION # 92
(Full question statement)
Interobserver reliability in interpretation of fetal heart rate tracings is greatest when the tracing is:
- A. Indeterminate
- B. Abnormal
- C. Normal
Answer: C
Explanation:
Comprehensive and Detailed Explanation From Exact Extract Without Links:
NCC examination standards and AWHONN clearly state that normal Category I patterns have the highest interobserver agreement because they contain objective, easily identifiable components:
* baseline 110-160 bpm
* moderate variability
* absence of late or variable decelerations
* presence or absence of accelerations
Simpson highlights that Category II tracings have poor reliability due to multiple combinations of variability and decelerations, while Category III patterns have higher agreement but occur far less frequently, limiting reliability measures.
Research cited within NCC-endorsed materials confirms that clinicians demonstrate the greatest agreement in identifying normal Category I patterns, making normal the correct answer.
NEW QUESTION # 93
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