OB Intrapartum Fetal Assessment Question and answers already passed
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Course
NCC ELECTRONIC
Institution
NCC ELECTRONIC
OB Intrapartum Fetal Assessment Question and answers already passed OB Intrapartum Fetal Assessment
What are the 3 categories of physiological influences on FHR - correct answer 1. Extrinsic
2. Intrinsic
3. Homeostatic: fetal compensatory mechanisms that help redistribute blood flow and prev...
OB Intrapartum Fetal Assessment
What are the 3 categories of physiological influences on FHR - correct
answer ✔1. Extrinsic
2. Intrinsic
3. Homeostatic: fetal compensatory mechanisms that help redistribute blood
flow and prevent damage to vital organs
Extrinsic Influences on FHR:
1. What are the 2 extrinsic influences on FHR related to maternal factors?
2. What are the 3 extrinsic influences on FHR related to Uteroplacental
factors?
3. What are the 2 extrinsic influences on FHR related to the Umbilical cord? -
correct answer ✔1. Maternal:
- Decreased blood volume: r/t bleeding,vasodilation from anasthesia, maternal
position, HTN
- Decreased oxygen level: r/t anemia, altered resp status
2. Uteroplacental:
- Hypertonus
- Placental Changes
- Maternal stress/anxiety
3. Umbilical Cord:
- Compression
- Knots
Intrinsic Influences on FHR:
1. Fetal ANS:
- How does Parasympathetic stimulation of vagus nerve effect the FHR
, - How does Sympathetic stimulation effect the FHR?
2. What can Baroreceptors cause?
3. What can Chemoreceptors cause? - correct answer ✔1. PSNS: Decrease
FHR
- SNS: Increase FHR
2. Baroreceptors:
- Variable Decels
3. Chemoreceptors:
- May Inc or Dec FHR
Fetal Homeostatic Compensatory Mechanism:
1. When PO2 is decreased and PCO2 is increased, how does the fetal
compensatory mechanism work?
2. If prolonged hypoxemia, what occurs? - correct answer ✔1. Increases
blood flow to heart, brain, and adrenal glands.
- Decreases blood flow to the gut, spleen, kidneys, and limbs
2. If prolonged hypoxemia, decompensation occurs resulting in decreased CO
and FHR resulting in brain damage or death
Guidelines for Intermittent Auscultation or Continuous Electronic Fetal
Monitoring:
1. For Low Risk Pregnancies, How often do we monitor for:
- Latent Phase, Active Phase, Second stage of Labor?
2. For High Risk:
- Latent Phase, Active Phase, Second stage of Labor
3. What are some indications for IA or EFM? - correct answer ✔1. Low Risk:
- Latent: q 60 mins
- Active: q 30 mins
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