Answers (Latest Update 2025)
Ductus venosus connects ______ to ______? - Correct Answer
✅Umb. vein to IVC
Foramen ovale connects _______to______? - Correct Answer
✅R. atrium to L. atrium
Ductus arteriosus connects _______ to _______? - Correct
Answer ✅Pulm. artery to aorta
Normal rate - Correct Answer ✅110 to 160 BPM
Average baseline rate at 15wks gestation - Correct Answer
✅160 BPM
Average rate in fetus with heart block - Correct Answer
✅60 BPM (intrinsic ventricular or nodal rate)
Sympathetic effects - Correct Answer ✅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 - Correct Answer ✅~ 32wks
, NCC EFM Cert. Exam Questions and
Answers (Latest Update 2025)
Primary indicator of fetal oxygenation - Correct Answer
✅Presence or absence of variability
Location of chemoreceptors - Correct Answer ✅aortic arch
Chemoreceptors respond to? - Correct Answer ✅Changes
in O2 and CO2
Location of baroreceptors - Correct Answer ✅Aortic arch
and carotid bodies
Maximal reactivity occurs when? - Correct Answer ✅Late at
night
Max duration of fetal nonreactivity? - Correct Answer
✅80min
Sensitivity - Correct Answer ✅Probablity of detecting a true
positive
Specificity - Correct Answer ✅Probability that true negative
will be detected
False positive - Correct Answer ✅erroneosly positive when
reality is negative