Which of the following factors can have a nega ve effect on uterine blood flow?
a. Hypertension
b. Epidural
c. Hemorrhage
d. Diabetes
e. All of the above -correct answers e. All of the above
S mula ng 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 -correct answers a. A decrease in the heart rate
The vagus nerve begins matura on 26 to 28 weeks. Its dominance results in what effect to the
FHR baseline?
a. Increases baseline
b. Decreases baseline -correct answers b. Decreases baseline
T/F: The most common ar fact with the ultrasound transducer system for fetal heart rate is
increased variability. -correct answers True
,T/F: All fetal monitors contain a logic system designed to reject ar fact. -correct answers True
T/F: Fetal arrhythmias can be seen on both internal and external monitor tracings. -correct
answers True
T/F: Variability and periodic changes can be detected with both internal and external
monitoring. -correct answers True
T/F: Variable decelera ons are a vagal response. -correct answers True
T/F: Variable decelera ons are the most frequently seen fetal heart rate decelera on pa ern in
labor. -correct answers True
E ology of a baseline FHR of 165bpm occurring for the last hour can be:
1. Maternal supine hypotension
2. Maternal fever
3. Maternal dehydra on
4. Unknown
a. 1 and 2
b. 1, 2 and 3
c. 2, 3 and 4 -correct 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 malpresenta on
c. Uteroplacental insufficiency
d. Uterine anomalies -correct answers c. Uteroplacental insufficiency
,Which of the following condi ons is not an indica on for antepartum fetal surveillance?
a. Gesta onal hypertension
b. Diabetes in pregnancy
c. Fetus in breech presenta on
d. Decreased fetal movement -correct answers c. Fetus in breech presenta on
Which of the following does not affect the degree of fetal ac vity?
a. Vibroacous c s mula on
b. Smoking
c. Fetal posi on
d. Gesta onal age -correct answers a. Vibroacous c s mula on
T/F: Umbilical cord influences that can alter blood flow include true knots, hematomas, and
number of umbilical vessels. -correct answers True
T/F: Low amplitude contrac ons are not an early sign of preterm labor. -correct answers False
T/F: Cor costeroid administra on may cause an increase in FHR accelera ons. -correct answers
False
T/F: Cor costeroid administra on may cause an increase in FHR. -correct answers True
T/F: Contrac ons cause an increase in uterine venous pressure and a decrease in uterine artery
perfusion. -correct answers True
, As a result of the intrinsic fetal response to oxygen depriva on, 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 secre ons 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 -correct answers B. Increase BP and decrease HR
During a term antepartum NST (non-stress test), you no ce several variable decelera ons that
decrease at least 15 bpm and last at least 15 sec long. Which of the following is the least likely
explana on?
A. True knot
B. Gesta onal diabetes
C. Umbilical cord entanglement
D. Oligohydramnios -correct answers B. Gesta onal diabetes
All of the following are likely causes of prolonged decelera ons except:
A. Uterine tachysystole
B. Prolapsed cord
C. Maternal hypotension
D. Maternal fever -correct answers D. Maternal fever
All of the following could likely cause minimal variability in FHR except
A. Magnesium sulfate administra on
B. Fetal sleep cycle
C. Narco c administra on
a. Hypertension
b. Epidural
c. Hemorrhage
d. Diabetes
e. All of the above -correct answers e. All of the above
S mula ng 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 -correct answers a. A decrease in the heart rate
The vagus nerve begins matura on 26 to 28 weeks. Its dominance results in what effect to the
FHR baseline?
a. Increases baseline
b. Decreases baseline -correct answers b. Decreases baseline
T/F: The most common ar fact with the ultrasound transducer system for fetal heart rate is
increased variability. -correct answers True
,T/F: All fetal monitors contain a logic system designed to reject ar fact. -correct answers True
T/F: Fetal arrhythmias can be seen on both internal and external monitor tracings. -correct
answers True
T/F: Variability and periodic changes can be detected with both internal and external
monitoring. -correct answers True
T/F: Variable decelera ons are a vagal response. -correct answers True
T/F: Variable decelera ons are the most frequently seen fetal heart rate decelera on pa ern in
labor. -correct answers True
E ology of a baseline FHR of 165bpm occurring for the last hour can be:
1. Maternal supine hypotension
2. Maternal fever
3. Maternal dehydra on
4. Unknown
a. 1 and 2
b. 1, 2 and 3
c. 2, 3 and 4 -correct 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 malpresenta on
c. Uteroplacental insufficiency
d. Uterine anomalies -correct answers c. Uteroplacental insufficiency
,Which of the following condi ons is not an indica on for antepartum fetal surveillance?
a. Gesta onal hypertension
b. Diabetes in pregnancy
c. Fetus in breech presenta on
d. Decreased fetal movement -correct answers c. Fetus in breech presenta on
Which of the following does not affect the degree of fetal ac vity?
a. Vibroacous c s mula on
b. Smoking
c. Fetal posi on
d. Gesta onal age -correct answers a. Vibroacous c s mula on
T/F: Umbilical cord influences that can alter blood flow include true knots, hematomas, and
number of umbilical vessels. -correct answers True
T/F: Low amplitude contrac ons are not an early sign of preterm labor. -correct answers False
T/F: Cor costeroid administra on may cause an increase in FHR accelera ons. -correct answers
False
T/F: Cor costeroid administra on may cause an increase in FHR. -correct answers True
T/F: Contrac ons cause an increase in uterine venous pressure and a decrease in uterine artery
perfusion. -correct answers True
, As a result of the intrinsic fetal response to oxygen depriva on, 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 secre ons 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 -correct answers B. Increase BP and decrease HR
During a term antepartum NST (non-stress test), you no ce several variable decelera ons that
decrease at least 15 bpm and last at least 15 sec long. Which of the following is the least likely
explana on?
A. True knot
B. Gesta onal diabetes
C. Umbilical cord entanglement
D. Oligohydramnios -correct answers B. Gesta onal diabetes
All of the following are likely causes of prolonged decelera ons except:
A. Uterine tachysystole
B. Prolapsed cord
C. Maternal hypotension
D. Maternal fever -correct answers D. Maternal fever
All of the following could likely cause minimal variability in FHR except
A. Magnesium sulfate administra on
B. Fetal sleep cycle
C. Narco c administra on
