Awhonn Fetal Heart Monitoring Basics Questions And Correct
Detailed Answers With Rationales (Verified Answers)
||Complete A+ Guide
1. Which contraction characteristics can be assessed with a tocodynamome-
m m m m m m m m
ter?
m
a) Frequency
b) Duration
c) Intensity
…Ans>> a) Frequency
m m
b) Duration
m
2. All Fetuses of mothers in labor experience an interruption of the oxygena-
m m m m m m m m m m m
tion pathway at which point?
m m m m m
…Ans>> Uterus mm
3. The FHR can be monitored using doppler ultrasound?
m m m m m m m
a) Throughout labor and delivery unless the use of a more accurate method is
m m m m m m m m m m m m
1 m/ m52
,m clearly indicated
m
b) Internally
c) Only early in labor
m m m
d) The FHR cannot be monitored by doppler ultrasound
m m m m m m m
…Ans>> a) Throughout labor and delivery unless the use of a more accurate
mm m m m m m m m m m m m
method is clearly indicated
m m m m
4. What is the normal range for FHR base line in a term infant?
m m m m m m m m m m m m
a) 80-120 bpm m
b) 110-160 bpm m
c) 140-180bpm
d) it depends on the sex of the fetus
m m m m m m m
…Ans>> b) 110-160 bpm m m m
5. Trace the flow of oxygen from mother to fetus and back.
m m m m m m m m m m
…Ans>> Mother's inhalation to lungs to mat. circulatory system to hemoglobin in
mm m m m m m m m m m m
RBC's to bloodstream in uterus. Uterus to spiral arteries to placenta to intervillous
m m m m m m m m m m m m m
space to travel via simple diffusion into the villi. The capillaries to the umb. vein to
m m m m m m m m m m m m m m m m
the fetus.
m m
The umb. artery sends waste (CO2) to the intervillous space to the mothers venous
m m m m m m m m m m m m m
system.
m
6. What factors impact maternal oxygen delivery?
m m m m m
…Ans>> 1. Mother (blood plasma, cardiac output, hemoglobin concentration &
m m m m m m m m m
O2 saturation)
m m
2. Placenta/intervillous space (uterine contractions & calcification's) m m m m m
2 m/ m52
,3. Fetus (vagal response aka decel or cord compression)
m m m m m m m
7. By what % does maternal cardiac output increase above the non-pregnant
m m m m m m m m m m
m state and what position helps this uteroplacental blood flow?
m m m m m m m m
…Ans>> 30-50% mm
lateral recumbent or semi-Fowler's
m m m
8. Define tachysystole contractions and the cause of.
m m m m m m
…Ans>> >5 contractions in 10 min (more frequently than Q 2 min) averaged over
mm m m m m m m m m m m m m
30 min window.
m m m
Caused by oxytocin, aminoinfusion or in rare cases spontaneously.
m m m m m m m m
9. List interventions for tachysystole contractions.
m m m m
…Ans>> Maintaining mat. volume, mat. positioning, intravenous hydration.
mm m m m m m m
Decreasing mat. pain/anxiety.
m m m
1. Reposition pt to side. m m m
3 m/ m52
, 2. Admin IV fluid bolus.
m m m
3. Admin 0.25mg terbutaline SQ.
m m m
4. Admin O2 10L via non rebreather face mask.
m m m m m m m
10. Describe passive diffusion as related to the maternal placental fetal sys-
m m m m m m m m m m
m tem.
…Ans>> higher conc. to lower concentration.
m m m m m
1. Oxygen from maternal (higher) to fetal compartment (lower) to fetal hgb then
m m m m m m m m m m m
m transported to fetal tissue. m m m
2. CO2 returns to intervillous space by passive diffusion and is removed by the mat.
m m m m m m m m m m m m m
m venous system.
m
11. Maternal hypotension is a potential side effect of regional anesthesia and
m m m m m m m m m m
m analgesia. What nursing interventions could you use to raise the client's blood
m m m m m m m m m m m
m pressure? Choose all that apply.
m m m m
A) Place the woman in a supine position.
m m m m m m
B) Place the woman in a lateral position.
m m m m m m
C) Increase intravenous (IV) fluids. m m m
D) Continuous Fetal Monitor m m
E) Administer ephedrine per MD order m m m m
…Ans>> Place her in lateral position, & increase IV fluids. If no improvement
mm m m m m m m m m m m m
m may need to give epi to increase vascular tone.
m m m m m m m m
12. Define maternal hypertension (gestational).
m m m
…Ans>> systolic BP >= 140mm hg, a diastolic BP>= 90 mm hg or MAP of
mm m m m m m m m m m m m m m
4 m/ m52
Detailed Answers With Rationales (Verified Answers)
||Complete A+ Guide
1. Which contraction characteristics can be assessed with a tocodynamome-
m m m m m m m m
ter?
m
a) Frequency
b) Duration
c) Intensity
…Ans>> a) Frequency
m m
b) Duration
m
2. All Fetuses of mothers in labor experience an interruption of the oxygena-
m m m m m m m m m m m
tion pathway at which point?
m m m m m
…Ans>> Uterus mm
3. The FHR can be monitored using doppler ultrasound?
m m m m m m m
a) Throughout labor and delivery unless the use of a more accurate method is
m m m m m m m m m m m m
1 m/ m52
,m clearly indicated
m
b) Internally
c) Only early in labor
m m m
d) The FHR cannot be monitored by doppler ultrasound
m m m m m m m
…Ans>> a) Throughout labor and delivery unless the use of a more accurate
mm m m m m m m m m m m m
method is clearly indicated
m m m m
4. What is the normal range for FHR base line in a term infant?
m m m m m m m m m m m m
a) 80-120 bpm m
b) 110-160 bpm m
c) 140-180bpm
d) it depends on the sex of the fetus
m m m m m m m
…Ans>> b) 110-160 bpm m m m
5. Trace the flow of oxygen from mother to fetus and back.
m m m m m m m m m m
…Ans>> Mother's inhalation to lungs to mat. circulatory system to hemoglobin in
mm m m m m m m m m m m
RBC's to bloodstream in uterus. Uterus to spiral arteries to placenta to intervillous
m m m m m m m m m m m m m
space to travel via simple diffusion into the villi. The capillaries to the umb. vein to
m m m m m m m m m m m m m m m m
the fetus.
m m
The umb. artery sends waste (CO2) to the intervillous space to the mothers venous
m m m m m m m m m m m m m
system.
m
6. What factors impact maternal oxygen delivery?
m m m m m
…Ans>> 1. Mother (blood plasma, cardiac output, hemoglobin concentration &
m m m m m m m m m
O2 saturation)
m m
2. Placenta/intervillous space (uterine contractions & calcification's) m m m m m
2 m/ m52
,3. Fetus (vagal response aka decel or cord compression)
m m m m m m m
7. By what % does maternal cardiac output increase above the non-pregnant
m m m m m m m m m m
m state and what position helps this uteroplacental blood flow?
m m m m m m m m
…Ans>> 30-50% mm
lateral recumbent or semi-Fowler's
m m m
8. Define tachysystole contractions and the cause of.
m m m m m m
…Ans>> >5 contractions in 10 min (more frequently than Q 2 min) averaged over
mm m m m m m m m m m m m m
30 min window.
m m m
Caused by oxytocin, aminoinfusion or in rare cases spontaneously.
m m m m m m m m
9. List interventions for tachysystole contractions.
m m m m
…Ans>> Maintaining mat. volume, mat. positioning, intravenous hydration.
mm m m m m m m
Decreasing mat. pain/anxiety.
m m m
1. Reposition pt to side. m m m
3 m/ m52
, 2. Admin IV fluid bolus.
m m m
3. Admin 0.25mg terbutaline SQ.
m m m
4. Admin O2 10L via non rebreather face mask.
m m m m m m m
10. Describe passive diffusion as related to the maternal placental fetal sys-
m m m m m m m m m m
m tem.
…Ans>> higher conc. to lower concentration.
m m m m m
1. Oxygen from maternal (higher) to fetal compartment (lower) to fetal hgb then
m m m m m m m m m m m
m transported to fetal tissue. m m m
2. CO2 returns to intervillous space by passive diffusion and is removed by the mat.
m m m m m m m m m m m m m
m venous system.
m
11. Maternal hypotension is a potential side effect of regional anesthesia and
m m m m m m m m m m
m analgesia. What nursing interventions could you use to raise the client's blood
m m m m m m m m m m m
m pressure? Choose all that apply.
m m m m
A) Place the woman in a supine position.
m m m m m m
B) Place the woman in a lateral position.
m m m m m m
C) Increase intravenous (IV) fluids. m m m
D) Continuous Fetal Monitor m m
E) Administer ephedrine per MD order m m m m
…Ans>> Place her in lateral position, & increase IV fluids. If no improvement
mm m m m m m m m m m m m
m may need to give epi to increase vascular tone.
m m m m m m m m
12. Define maternal hypertension (gestational).
m m m
…Ans>> systolic BP >= 140mm hg, a diastolic BP>= 90 mm hg or MAP of
mm m m m m m m m m m m m m m
4 m/ m52