NCC EFM
NCC EFM Exam Practice Questions
and Answers 2026
Oxygen is transferred from mom to fetus via the placenta through? -Correct Answer ✔-
Passive (Simple) Diffusion
Intervillous space perfusion is dependent on? -Correct Answer ✔-Adequate Uterine
Blood Flow
Maternal Fetal Exchange is best promoted by which maternal position? -Correct Answer
✔-Either Rt or Lt Lateral
What is transfer down the concentration gradient from higher to lower called? -Correct
Answer ✔-Diffusion
The most likely physical rationale for recurrent late decels after epidural is? -Correct
Answer ✔-Maternal Sympathetic Blockade
Which FHR pattern would be anticipated when monitoring mono-mono twins? -Correct
Answer ✔-Variable Decels
Fetus can survive in an environment w/ a PO2 equal to adult venous blood d/t? -Correct
Answer ✔-increased O2 carrying capacity
Variable decels are mediated primarily by? -Correct Answer ✔-baroreceptors
The sympathetic branch of the ANS influences FHR to? -Correct Answer ✔-increase
the average difference in baseline FHR b/w 30 & 40 weeks is? -Correct Answer ✔-10bpm
usually 5-6; 10 is closest
Fetal blood is most highly oxygenated in the? -Correct Answer ✔-Ductus Venosous
An abrupt rise in fetal bp can stimulate? -Correct Answer ✔-variable decels
NCC EFM
, NCC EFM
During an acute episode of fetal hypoxemia, fetal blood flow is redistributed primarily to
the? -Correct Answer ✔-brain
Over the course of pregnancy, the FHR baseline? -Correct Answer ✔-decreases
FHR variability is dependent upon? -Correct Answer ✔-cerebral oxygen and intact CNS
chemoreceptors respond mainly to? -Correct Answer ✔-hypoxemia
pH: 7.22
pCO2: 50
HCO3: 24
BE: -3 -Correct Answer ✔-normal acid-base status
(if pH is normal, answer is normal)
Fetal respiratory academia is indicated by a pH of 7.04 and a PCO2 of? -Correct Answer
✔->60
pH: 6.98
PCO2: 49
HCO3: 16
BE:-16 -Correct Answer ✔-metabolic acidemia
pH: 7.04
pCO2: 80
HCO3: 22
BE: -4 -Correct Answer ✔-respiratory acidemia
Fetal metabolic acidemia is indicated by an umbilical artery cord blood gas pH of 6.94 &
BE of? -Correct Answer ✔->-12
Decels that occur with <50% ctx: -Correct Answer ✔-intermittent
An acceleration of FHR that is elicited during fetal scalp stim indicates a fetal pH of at
least? -Correct Answer ✔-7.19
NCC EFM
NCC EFM Exam Practice Questions
and Answers 2026
Oxygen is transferred from mom to fetus via the placenta through? -Correct Answer ✔-
Passive (Simple) Diffusion
Intervillous space perfusion is dependent on? -Correct Answer ✔-Adequate Uterine
Blood Flow
Maternal Fetal Exchange is best promoted by which maternal position? -Correct Answer
✔-Either Rt or Lt Lateral
What is transfer down the concentration gradient from higher to lower called? -Correct
Answer ✔-Diffusion
The most likely physical rationale for recurrent late decels after epidural is? -Correct
Answer ✔-Maternal Sympathetic Blockade
Which FHR pattern would be anticipated when monitoring mono-mono twins? -Correct
Answer ✔-Variable Decels
Fetus can survive in an environment w/ a PO2 equal to adult venous blood d/t? -Correct
Answer ✔-increased O2 carrying capacity
Variable decels are mediated primarily by? -Correct Answer ✔-baroreceptors
The sympathetic branch of the ANS influences FHR to? -Correct Answer ✔-increase
the average difference in baseline FHR b/w 30 & 40 weeks is? -Correct Answer ✔-10bpm
usually 5-6; 10 is closest
Fetal blood is most highly oxygenated in the? -Correct Answer ✔-Ductus Venosous
An abrupt rise in fetal bp can stimulate? -Correct Answer ✔-variable decels
NCC EFM
, NCC EFM
During an acute episode of fetal hypoxemia, fetal blood flow is redistributed primarily to
the? -Correct Answer ✔-brain
Over the course of pregnancy, the FHR baseline? -Correct Answer ✔-decreases
FHR variability is dependent upon? -Correct Answer ✔-cerebral oxygen and intact CNS
chemoreceptors respond mainly to? -Correct Answer ✔-hypoxemia
pH: 7.22
pCO2: 50
HCO3: 24
BE: -3 -Correct Answer ✔-normal acid-base status
(if pH is normal, answer is normal)
Fetal respiratory academia is indicated by a pH of 7.04 and a PCO2 of? -Correct Answer
✔->60
pH: 6.98
PCO2: 49
HCO3: 16
BE:-16 -Correct Answer ✔-metabolic acidemia
pH: 7.04
pCO2: 80
HCO3: 22
BE: -4 -Correct Answer ✔-respiratory acidemia
Fetal metabolic acidemia is indicated by an umbilical artery cord blood gas pH of 6.94 &
BE of? -Correct Answer ✔->-12
Decels that occur with <50% ctx: -Correct Answer ✔-intermittent
An acceleration of FHR that is elicited during fetal scalp stim indicates a fetal pH of at
least? -Correct Answer ✔-7.19
NCC EFM
