NCC EFM Exam Practice Questions
Oxygen is transferred from mom to fetus via the placenta through? - Answer Passive
(Simple) Diffusion
Intervillous space perfusion is dependent on? - Answer Adequate Uterine Blood Flow
Maternal Fetal Exchange is best promoted by which maternal position? - Answer Either
Rt or Lt Lateral
What is transfer down the concentration gradient from higher to lower called? - Answer
Diffusion
The most likely physical rationale for recurrent late decels after epidural is? - Answer
Maternal Sympathetic Blockade
Which FHR pattern would be anticipated when monitoring mono-mono twins? - Answer
Variable Decels
Fetus can survive in an environment w/ a PO2 equal to adult venous blood d/t? -
Answer increased O2 carrying capacity
Variable decels are mediated primarily by? - Answer baroreceptors
The sympathetic branch of the ANS influences FHR to? - Answer increase
the average difference in baseline FHR b/w 30 & 40 weeks is? - Answer 10bpm
usually 5-6; 10 is closest
Fetal blood is most highly oxygenated in the? - Answer Ductus Venosous
An abrupt rise in fetal bp can stimulate? - Answer variable decels
During an acute episode of fetal hypoxemia, fetal blood flow is redistributed primarily to
the? - Answer brain
Over the course of pregnancy, the FHR baseline? - Answer decreases
FHR variability is dependent upon? - Answer cerebral oxygen and intact CNS
chemoreceptors respond mainly to? - Answer hypoxemia
pH: 7.22
pCO2: 50
HCO3: 24
BE: -3 - Answer normal acid-base status
(if pH is normal, answer is normal)
Oxygen is transferred from mom to fetus via the placenta through? - Answer Passive
(Simple) Diffusion
Intervillous space perfusion is dependent on? - Answer Adequate Uterine Blood Flow
Maternal Fetal Exchange is best promoted by which maternal position? - Answer Either
Rt or Lt Lateral
What is transfer down the concentration gradient from higher to lower called? - Answer
Diffusion
The most likely physical rationale for recurrent late decels after epidural is? - Answer
Maternal Sympathetic Blockade
Which FHR pattern would be anticipated when monitoring mono-mono twins? - Answer
Variable Decels
Fetus can survive in an environment w/ a PO2 equal to adult venous blood d/t? -
Answer increased O2 carrying capacity
Variable decels are mediated primarily by? - Answer baroreceptors
The sympathetic branch of the ANS influences FHR to? - Answer increase
the average difference in baseline FHR b/w 30 & 40 weeks is? - Answer 10bpm
usually 5-6; 10 is closest
Fetal blood is most highly oxygenated in the? - Answer Ductus Venosous
An abrupt rise in fetal bp can stimulate? - Answer variable decels
During an acute episode of fetal hypoxemia, fetal blood flow is redistributed primarily to
the? - Answer brain
Over the course of pregnancy, the FHR baseline? - Answer decreases
FHR variability is dependent upon? - Answer cerebral oxygen and intact CNS
chemoreceptors respond mainly to? - Answer hypoxemia
pH: 7.22
pCO2: 50
HCO3: 24
BE: -3 - Answer normal acid-base status
(if pH is normal, answer is normal)
