A. BARORECEPTORS CAUSE VASOCONSTRICTION
AND INCREASE THE FHR
An increase in arterial blood pressure produces vessel
distension and causes arterial baroreceptors to send
If fetal arterial pressure
neuronal messages to the cardioinhibitory center, which
begins to fall below normal
in turn causes rapid slowing of the fetal heart rate via the
levels:
parasympathetic vagus nerve. A decrease in arterial
pressure results in an increased heart rate.
Source: https://perigen.com/what-regulates-fetal-heart-
rate/
Which of the following is an Fetal-placental circulation
extrinsic influence on the
FHR?
Fetal heart rate vaiability is AMPLITUDE and FREQUENCY
definded as fluctuations in
the baseline that are
irregular in
The most highly Ductus venosus
oxygenated blood in fetal
circulation is carried by:
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