NCC EFM Exam Practice Questions And
Answers
Oxygen is transferred from mom to fetus via the placenta through? Correct Answers: Passive
(Simple) Diffusion
Intervillous space perfusion is dependent on? Correct Answers: Adequate Uterine Blood Flow
Maternal Fetal Exchange is best promoted by which maternal position? Correct Answers: Either Rt or
Lt Lateral
What is transfer down the concentration gradient from higher to lower called? Correct Answers:
Diffusion
The most likely physical rationale for recurrent late decels after epidural is? Correct Answers:
Maternal Sympathetic Blockade
Which FHR pattern would be anticipated when monitoring mono-mono twins? Correct Answers:
Variable Decels
Fetus can survive in an environment w/ a PO2 equal to adult venous blood d/t? Correct Answers:
increased O2 carrying capacity
Variable decels are mediated primarily by? Correct Answers: baroreceptors
The sympathetic branch of the ANS influences FHR to? Correct Answers: increase
The average difference in baseline FHR b/w 30 & 40 weeks is? Correct Answers: 10bpm
Usually 5-6; 10 is closest
Fetal blood is most highly oxygenated in the? Correct Answers: Ductus Venosous
An abrupt rise in fetal bp can stimulate? Correct Answers: variable decels
During an acute episode of fetal hypoxemia, fetal blood flow is redistributed primarily to the? Correct
Answers: brain
Over the course of pregnancy, the FHR baseline? Correct Answers: decreases
FHR variability is dependent upon? Correct Answers: cerebral oxygen and intact CNS
Chemoreceptors respond mainly to? Correct Answers: hypoxemia
Ph: 7.22
Pco2: 50
HCO3: 24
BE: -3 Correct Answers: normal acid-base status
Answers
Oxygen is transferred from mom to fetus via the placenta through? Correct Answers: Passive
(Simple) Diffusion
Intervillous space perfusion is dependent on? Correct Answers: Adequate Uterine Blood Flow
Maternal Fetal Exchange is best promoted by which maternal position? Correct Answers: Either Rt or
Lt Lateral
What is transfer down the concentration gradient from higher to lower called? Correct Answers:
Diffusion
The most likely physical rationale for recurrent late decels after epidural is? Correct Answers:
Maternal Sympathetic Blockade
Which FHR pattern would be anticipated when monitoring mono-mono twins? Correct Answers:
Variable Decels
Fetus can survive in an environment w/ a PO2 equal to adult venous blood d/t? Correct Answers:
increased O2 carrying capacity
Variable decels are mediated primarily by? Correct Answers: baroreceptors
The sympathetic branch of the ANS influences FHR to? Correct Answers: increase
The average difference in baseline FHR b/w 30 & 40 weeks is? Correct Answers: 10bpm
Usually 5-6; 10 is closest
Fetal blood is most highly oxygenated in the? Correct Answers: Ductus Venosous
An abrupt rise in fetal bp can stimulate? Correct Answers: variable decels
During an acute episode of fetal hypoxemia, fetal blood flow is redistributed primarily to the? Correct
Answers: brain
Over the course of pregnancy, the FHR baseline? Correct Answers: decreases
FHR variability is dependent upon? Correct Answers: cerebral oxygen and intact CNS
Chemoreceptors respond mainly to? Correct Answers: hypoxemia
Ph: 7.22
Pco2: 50
HCO3: 24
BE: -3 Correct Answers: normal acid-base status
