NCC EFM practice 2023/2024 questions and answers

NCC EFM practice 2023/2024 questions

and answers

Which 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 Answer- 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 Answer- 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 Answer- b. Decreases baseline

T/F: The most common artifact with the ultrasound transducer system for fetal heart rate

is increased variability. Answer- True

T/F: All fetal monitors contain a logic system designed to reject artifact. Answer- True

T/F: Fetal arrhythmias can be seen on both internal and external monitor tracings.

Answer- True

T/F: Variability and periodic changes can be detected with both internal and external

monitoring. Answer- True

T/F: Variable decelerations are a vagal response. Answer- True

T/F: Variable decelerations are the most frequently seen fetal heart rate deceleration

pattern in labor. Answer- 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 Answer- 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 Answer- 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 Answer- c. Fetus in breech presentation

Which of the following does not affect the degree of fetal activity?

a. Vibroacoustic stimulation

b. Smoking

c. Fetal position

d. Gestational age Answer- a. Vibroacoustic stimulation

T/F: Umbilical cord influences that can alter blood flow include true knots, hematomas,

and number of umbilical vessels. Answer- True

T/F: Low amplitude contractions are not an early sign of preterm labor. Answer- False

T/F: Corticosteroid administration may cause an increase in FHR accelerations.

Answer- False

T/F: Corticosteroid administration may cause an increase in FHR. Answer- True

T/F: Contractions cause an increase in uterine venous pressure and a decrease in

uterine artery perfusion. Answer- True

As a result of the intrinsic fetal response to oxygen deprivation, increased

catecholamine levels cause the peripheral blood flow to decrease while the blood flow

to vital organs increases. These flow changes along with increased catecholamine

secretions have what effect on fetal blood pressure and fetal heart rate?

A. Increase BP and increase HR

B. Increase BP and decrease HR

C. Decrease BP and increase HR

D. Decrease BP and decrease HR Answer- B. Increase BP and decrease HR


During a term antepartum NST (non-stress test), you notice several variable

decelerations that decrease at least 15 bpm and last at least 15 sec long. Which of the

following is the least likely explanation?

A. True knot

B. Gestational diabetes

C. Umbilical cord entanglement

D. Oligohydramnios Answer- B. Gestational diabetes

All of the following are likely causes of prolonged decelerations except:

A. Uterine tachysystole

B. Prolapsed cord

C. Maternal hypotension

D. Maternal fever Answer- D. Maternal fever

All of the following could likely cause minimal variability in FHR except

A. Magnesium sulfate administration

B. Fetal sleep cycle

C. Narcotic administration

D. Ephedrine administration Answer- D. Ephedrine administration

When an IUPC has been placed, Montevideo units must be ___ or greater for adequate

cervical change to occur.

A. 100

B. 200

C. 300

D. 400 Answer- B. 200

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 Answer- 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 Answer- 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).



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