NCC EFM Exam UPDATED ACTUAL
Questions and CORRECT Answers
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
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
Questions and CORRECT Answers
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
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
