NCC EFM Exam Practice Questions
Oxygen is transferred from mom to fetus via the placenta through? - ✅Passive
(Simple) Diffusion
Intervillous space perfusion is dependent on? - ✅Adequate Uterine Blood Flow
Maternal Fetal Exchange is best promoted by which maternal position? - ✅Either Rt or
Lt Lateral
What is transfer down the concentration gradient from higher to lower called? -
✅Diffusion
The most likely physical rationale for recurrent late decels after epidural is? -
✅Maternal Sympathetic Blockade
Which FHR pattern would be anticipated when monitoring mono-mono twins? -
✅Variable Decels
Fetus can survive in an environment w/ a PO2 equal to adult venous blood d/t? -
✅increased O2 carrying capacity
Variable decels are mediated primarily by? - ✅baroreceptors
The sympathetic branch of the ANS influences FHR to? - ✅increase
the average difference in baseline FHR b/w 30 & 40 weeks is? - ✅10bpm
usually 5-6; 10 is closest
Fetal blood is most highly oxygenated in the? - ✅Ductus Venosous
An abrupt rise in fetal bp can stimulate? - ✅variable decels
During an acute episode of fetal hypoxemia, fetal blood flow is redistributed primarily to
the? - ✅brain
Over the course of pregnancy, the FHR baseline? - ✅decreases
FHR variability is dependent upon? - ✅cerebral oxygen and intact CNS
chemoreceptors respond mainly to? - ✅hypoxemia
pH: 7.22
Oxygen is transferred from mom to fetus via the placenta through? - ✅Passive
(Simple) Diffusion
Intervillous space perfusion is dependent on? - ✅Adequate Uterine Blood Flow
Maternal Fetal Exchange is best promoted by which maternal position? - ✅Either Rt or
Lt Lateral
What is transfer down the concentration gradient from higher to lower called? -
✅Diffusion
The most likely physical rationale for recurrent late decels after epidural is? -
✅Maternal Sympathetic Blockade
Which FHR pattern would be anticipated when monitoring mono-mono twins? -
✅Variable Decels
Fetus can survive in an environment w/ a PO2 equal to adult venous blood d/t? -
✅increased O2 carrying capacity
Variable decels are mediated primarily by? - ✅baroreceptors
The sympathetic branch of the ANS influences FHR to? - ✅increase
the average difference in baseline FHR b/w 30 & 40 weeks is? - ✅10bpm
usually 5-6; 10 is closest
Fetal blood is most highly oxygenated in the? - ✅Ductus Venosous
An abrupt rise in fetal bp can stimulate? - ✅variable decels
During an acute episode of fetal hypoxemia, fetal blood flow is redistributed primarily to
the? - ✅brain
Over the course of pregnancy, the FHR baseline? - ✅decreases
FHR variability is dependent upon? - ✅cerebral oxygen and intact CNS
chemoreceptors respond mainly to? - ✅hypoxemia
pH: 7.22
