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UPDATED 2024/2025 RELIAS - FETAL HEART MONITORING QUESTIONS AND ANSWERS 100% CORRECT GRADED A+ CA$25.16   Add to cart
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UPDATED 2024/2025 RELIAS - FETAL HEART MONITORING QUESTIONS AND ANSWERS 100% CORRECT GRADED A+
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  • RELIAS - FETAL HEART MONITORING 2023

uterine blood supply - CORRECT ANS - uterine arteries deliver oxygenated blood to spiral arteries which bring oxygen rich blood to intervillous space of placenta that has fetal capillaries - fetal capillaries carry the O2 rich blood to umbilical VEIN that goes to fetus -in contrast, th...

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  • November 12, 2023
  • 12
  • 2023/2024
  • Exam (elaborations)
  • Questions & answers

Subjects

  • relias fetal
  • updated relias f
  • updated relias feta
  • relias fetal heart monitoring 2023 questions and
  • uterine blood supply correct ans uterin
  • updated relias fetal heart monitoring

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  • RELIAS - FETAL HEART MONITORING 2023
  • RELIAS - FETAL HEART MONITORING 2023

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RELIAS - FETAL HEART MONITORING 2023
QUESTIONS AND ANSWERS 100% CORRECT
GRADED A+
uterine blood supply - CORRECT ANS - uterine arteries deliver oxygenated blood to spiral
arteries which bring oxygen rich blood to intervillous space of placenta that has fetal capillaries


- fetal capillaries carry the O2 rich blood to umbilical VEIN that goes to fetus


-in contrast, the umbilical ARTERIES return waste products to that intervillous space that go
into mother's venous system
Potential issues that negatively affect fetal oxygenation - CORRECT ANS *Maternal
Oxygenation:* asthma, hyper- or hypo- ventilation


*Maternal Circulation:* decreased maternal cardiac output, hypotension, decreased Hgb


*Placental O2 and CO2 Exchange:* postterm, abruption, HTN, hypotension, uterine
tachysystole


*Fetal circulation:* cord compression or occlusion
Fetal hypoxemia - CORRECT ANS - can occur d/t reduced fetal O2 reserves, excessive
uterine activity, or reduced uteroplacental blood flow


- worsening fetal hypoxemia can lead to abnormal FHR patterns, mostly minimal or absent
variability from acidemia
(1) hypoxemia vs. (2) hypoxia - CORRECT ANS 1 - reduce O2 in blood


2 - reduced O2 delivery at tissue level
Fetal anaerobic metabolism - CORRECT ANS - occurs when long term O2 delivery is
insufficient to meet cellular needs of tissues


- results in production of lactic acid and other noncarbonic acids


- ACIDOSIS is the presence of excessive acids in tissues

, RELIAS - FETAL HEART MONITORING 2023
QUESTIONS AND ANSWERS 100% CORRECT
GRADED A+
acidosis - CORRECT ANS pH below 7.35


pH is low


(acidosis is the process that leads to low blood pH, or acidemia)
alkalosis - CORRECT ANS pH above 7.45


pH is high
buffers - CORRECT ANS - help maintain acid base homeostasis


- 2 major fetal buffers are plasma bicarbonate and hgb
base excess and base deficit - CORRECT ANS - base deficit is expressed as a positive
number


- base excess is expressed as a negative number


~ they are equivalent and terms are used interchangeably ~
fetal acidosis - CORRECT ANS - when O2 is decreased to fetus, tissue hypoxia results in
acidosis, which then shows a drop in pH, a loss of bicarb, and increase in base deficit
acidemia - CORRECT ANS assoc w/ widespread, deleterious effects on vital organ and
body function
fetal hypoxia during birth - CORRECT ANS assoc w/ neonatal depression, low apgars,
neonatal encephalopathy, and cerebral palsy
respiratory acidosis - CORRECT ANS *low pH (< 7.10), high pCO2 (> 60), normal base
deficit ( < 12)*


- increase of pCO2 for fetus that lowers pH but doesn't affect base deficit
factors that contribute to resp acidosis - CORRECT ANS - sudden decrease in placental
or cord perfusion
- uterine tachysystole

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