NCC EFM Cert. Exam Questions and answers 2025
Ductus venosus connects ______ to ______? - (answers)Umb. vein to IVC
Foramen ovale connects _______to______? - (answers)R. atrium to L. atrium
Ductus arteriosus connects _______ to _______? - (answers)Pulm. artery to aorta
Normal rate - (answers)110 to 160 BPM
Average baseline rate at 15wks gestation - (answers)160 BPM
Average rate in fetus with heart block - (answers)60 BPM (intrinsic ventricular or nodal rate)
Sympathetic effects - (answers)Incr. HR, constricted peripheral and visceral blood vessels, vital
organs dilate and receive more blood
Gest. age at which autonomic nervous system is fully developed - (answers)~ 32wks
Primary indicator of fetal oxygenation - (answers)Presence or absence of variability
Location of chemoreceptors - (answers)aortic arch
Chemoreceptors respond to? - (answers)Changes in O2 and CO2
Location of baroreceptors - (answers)Aortic arch and carotid bodies
, Maximal reactivity occurs when? - (answers)Late at night
Max duration of fetal nonreactivity? - (answers)80min
Sensitivity - (answers)Probablity of detecting a true positive
Specificity - (answers)Probability that true negative will be detected
False positive - (answers)erroneosly positive when reality is negative
False negative - (answers)erroneously negative when reality is positive
NST - (answers)Two 15x15 accels in 20min (up to 40min)
% of false positive CSTs? - (answers)~ 30%
BPP components - (answers)1) Fetal breathing movements
2) Gross body movements
3) Fetal tone
4) Reactive fetal heart rate
5) Qualitiative amniotic fluid volume
BPP Score of 10 - (answers)Normal
BPP Score of 8 - (answers)Nl infant, low risk of chronic asphyxia
Ductus venosus connects ______ to ______? - (answers)Umb. vein to IVC
Foramen ovale connects _______to______? - (answers)R. atrium to L. atrium
Ductus arteriosus connects _______ to _______? - (answers)Pulm. artery to aorta
Normal rate - (answers)110 to 160 BPM
Average baseline rate at 15wks gestation - (answers)160 BPM
Average rate in fetus with heart block - (answers)60 BPM (intrinsic ventricular or nodal rate)
Sympathetic effects - (answers)Incr. HR, constricted peripheral and visceral blood vessels, vital
organs dilate and receive more blood
Gest. age at which autonomic nervous system is fully developed - (answers)~ 32wks
Primary indicator of fetal oxygenation - (answers)Presence or absence of variability
Location of chemoreceptors - (answers)aortic arch
Chemoreceptors respond to? - (answers)Changes in O2 and CO2
Location of baroreceptors - (answers)Aortic arch and carotid bodies
, Maximal reactivity occurs when? - (answers)Late at night
Max duration of fetal nonreactivity? - (answers)80min
Sensitivity - (answers)Probablity of detecting a true positive
Specificity - (answers)Probability that true negative will be detected
False positive - (answers)erroneosly positive when reality is negative
False negative - (answers)erroneously negative when reality is positive
NST - (answers)Two 15x15 accels in 20min (up to 40min)
% of false positive CSTs? - (answers)~ 30%
BPP components - (answers)1) Fetal breathing movements
2) Gross body movements
3) Fetal tone
4) Reactive fetal heart rate
5) Qualitiative amniotic fluid volume
BPP Score of 10 - (answers)Normal
BPP Score of 8 - (answers)Nl infant, low risk of chronic asphyxia
