Advanced Fetal Monitoring Questions with Verified Answers 2024
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Course
Fetal Heart monitoring
Institution
Fetal Heart Monitoring
Advanced Fetal Monitoring Questions with Verified Answers 2024
What category rules out fetal acidemia? - ANSW Cat 1
What maternal conditions greatly impact fetal oxygenation? - ANSW Severe astha, cardiac issues, and ecclampic seizures
Where does the exchange of O2 and nutrients take plac...
Advanced Fetal Monitoring Questions with Verified
Answers 2024
What category rules out fetal acidemia? - ANSW Cat 1
What maternal conditions greatly impact fetal oxygenation? - ANSW Severe
astha, cardiac issues, and ecclampic seizures
Where does the exchange of O2 and nutrients take place? - ANSW intervillous
space
How is o2 blood transferred to the fetus? - ANSW O2 enters the intervillous space
via the maternal arteries, to the villi then the umbilical vein take the o2 blood to the
fetus. The umbilical arteries take the deO2 blood from the baby through the villi
and back to the mother
Diffusion - ANSW High to low concentration
Mom to fetus for O2
Low to high concentration for CO2 so baby to mom
How is O2 transferred from mom to baby - ANSW Diffusion
Explain spiral arteries in placenta - ANSW Carry O2 into intervillous space
Are maximally dilated so they can not be increased
What are factors that can decrease uteroplacental blood flow? - ANSW Maternal
conditions like pre-e and cardiac disease
Maternal hypotension
What happens to the spiral arteries during pre-e? - ANSW They are constricted
which decreases blood flow
Why does the supine position cause decreased uteroplactenal blood flow? -
ANSW The aorta and vena cava get compressed (20 weeks)
Why does maternal hypotension happen after regional analgesia? - ANSW Blocks
the sympathetic pathway
Pooling of blood in the lower extremities decreases blood flow back to moms heart
which decreases blood flow to the fetus
What percentage is uteroplacental blood flow decreased by during cxts? - ANSW
60%
Explain the pathway for maternal- fetal exchange for fetal oxygenation (basic) -
ANSW Environment to lungs to heart to vasculature to uterus to placenta to
umbilical cord
Where is the least O2 blood in the fetus? - ANSW Limbs, kidneys, and descending
aorta
Where is the most O2 blood in the fetus? - ANSW Umbilical vein and ductous
venous
Connects the umbilical vein to the inferior vena cava, bypassing the liver
Shunt that allows most O2 blood to fetal heart - ANSW Ductus venosus
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