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? –
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? –
