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NCC EFM PRACTICE QUESTIONS AND ANSWERS
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NCC EFM PRACTICE QUESTIONS AND ANSWERS
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NCC EFM PRACTICE QUESTIONS AND ANSWERSWhich of the following factors can have a negative effect on uterine blood flow?
a. Hypertension
b. Epidural
c. Hemorrhage
d. Diabetes
e. All of the above - Answers -e. All of the above
Stimulating the vagus nerve typically produces:
a. A decrease in the heart rate
b. An increase in the heart rate
c. An increase in stroke volume
d. No change - Answers -a. A decrease in the heart rate
The vagus nerve begins maturation 26 to 28 weeks. Its dominance results in what effect
to the FHR baseline?
a. Increases baseline
b. Decreases baseline - Answers -b. Decreases baseline
T/F: The most common artifact with the ultrasound transducer system for fetal heart rate
is increased variability. - Answers -True
T/F: All fetal monitors contain a logic system designed to reject artifact. - Answers -True
T/F: Fetal arrhythmias can be seen on both internal and external monitor tracings. -
Answers -True
T/F: Variability and periodic changes can be detected with both internal and external
monitoring. - Answers -True
T/F: Variable decelerations are a vagal response. - Answers -True
T/F: Variable decelerations are the most frequently seen fetal heart rate deceleration
pattern in labor. - Answers -True
Etiology of a baseline FHR of 165bpm occurring for the last hour can be:
1. Maternal supine hypotension
2. Maternal fever
3. Maternal dehydration
4. Unknown
a. 1 and 2
b. 1, 2 and 3
c. 2, 3 and 4 - Answers -c. 2, 3 and 4
The most prevalent risk factor associated with fetal death before the onset of labor is:
,a. Low socioeconomic status
b. Fetal malpresentation
c. Uteroplacental insufficiency
d. Uterine anomalies - Answers -c. Uteroplacental insufficiency
Which of the following conditions is not an indication for antepartum fetal surveillance?
a. Gestational hypertension
b. Diabetes in pregnancy
c. Fetus in breech presentation
d. Decreased fetal movement - Answers -c. Fetus in breech presentation
What would be a suspected pH in a fetus whose FHTs included recurrent late
decelerations during labor?
A. 7.10
B. 7.26
C. 7.32
D. 7.41 - Answers -A. 7.10
The nurse notes a pattern of decelerations on the fetal monitor that begins shortly after
the contraction and returns to baseline just before the contraction is over. The correct
nursing response is to:
a. Give the woman oxygen by facemask at 8-10 L/min
b. Position the woman on her opposite side
c. Increase the rate of the woman's intravenous fluid
d. Continue to observe and record the normal pattern - Answers -d. Continue to observe
and record the normal pattern
Determining the FHR baseline requires the nurse to approximate the mean FHR
rounded to increments of 5 bpm during a ___-minute window (excluding accelerations
and decelerations).
A. 2
B. 5
C. 10
D. 20 - Answers -C. 10
Which of the following interventions would best stimulate an acceleration in the FHR?
A. Provide juice to patient
B. Perform vaginal exam
C. Turn patient on left side
D. Vibroacoustic stimulation - Answers -B. Perform vaginal exam
Scalp stimulation
The FHR is controlled by the
A. Sympathetic nervous system
B. Sinoatrial node
, C. Atrioventricular node
D. Parasympathetic nervous system - Answers -B. Sinoatrial node
T/F: Fetal tachycardia is a normal compensatory response to transient fetal hypoxemia.
- Answers -True
At how many weeks gestation should FHR variability be normal in manner?
A. 24 weeks
B. 28 weeks
C. 32 weeks
D. 36 weeks - Answers -B. 28 weeks
Reduced respiratory gas exchange from persistent decelerations may cause a rise in
fetal PCO2, which leads first to _______ _______, then _______ _______.
A. Respiratory alkalosis; metabolic acidosis
B. Respiratory acidosis; metabolic acidosis
C. Respiratory alkalosis; metabolic alkalosis
D. Respiratory acidosis; metabolic acidosis - Answers -B. Respiratory acidosis;
metabolic acidosis
Decreased intervillious exchange of oxygenated blood resulting in fetal hypoxia is
typically present in _______.
A. Variable decelerations
B. Late decelerations
C. Early decelerations
D. Accelerations - Answers -B. Late decelerations
Place the following interventions for a sinusoidal FHR in the correct order:
1. Prepare for cesarean delivery
2. Place patient in lateral position
3. Determine if pattern is related to narcotic analgesic administration
4. Provide oxygen via face mask
A. 4, 2, 3, 1
B. 3, 1, 2, 4
C. 4, 3, 2, 1
D. 3, 2, 4, 1 - Answers -D. 3, 2, 4, 1
FHTs with accelerations, no decelerations, and minimal variability would be categorized
as
A. Category I
B. Category II
C. Category III - Answers -B. Category II
FHTs with minimal variability, absent accelerations, and a 3-minute prolonged
deceleration would be categorized as
A. Category I
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