NCC EFM Cert. Exam Questions And Answers
Ductus venous connects ______ to ______? Correct Answers: Ump. vein to IVC
Foramen oval connects _______to______? Correct Answers: R. atrium to L. atrium
Ductus arteriosus connects _______ to _______? Correct Answers: Palm. Artery to aorta
Normal rate Correct Answers: 110 to 160 BPM
Average baseline rate at 15wks gestation Correct Answers: 160 BPM
Average rate in fetus with heart block Correct Answers: 60 BPM (intrinsic ventricular or nodal rate)
Sympathetic effects Correct 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 Correct Answers: ~ 32wks
Primary indicator of fetal oxygenation Correct Answers: Presence or absence of variability
Location of chemoreceptors Correct Answers: aortic arch
Chemoreceptors respond to? Correct Answers: Changes in O2 and CO2
Location of baroreceptors Correct Answers: Aortic arch and carotid bodies
Maximal reactivity occurs when? Correct Answers: Late at night
Max duration of fetal nonreactivity? Correct Answers: 80min
Sensitivity Correct Answers: Probablity of detecting a true positive
Specificity Correct Answers: Probability that true negative will be detected
False positive Correct Answers: erroneosly positive when reality is negative
False negative Correct Answers: erroneously negative when reality is positive
NST Correct Answers: Two 15x15 accels in 20min (up to 40min)
% of false positive CSTs? Correct Answers: ~ 30%
BPP components Correct Answers: 1) Fetal breathing movements
2) Gross body movements
3) Fetal tone
4) Reactive fetal heart rate
5) Qualitiative amniotic fluid volume
Ductus venous connects ______ to ______? Correct Answers: Ump. vein to IVC
Foramen oval connects _______to______? Correct Answers: R. atrium to L. atrium
Ductus arteriosus connects _______ to _______? Correct Answers: Palm. Artery to aorta
Normal rate Correct Answers: 110 to 160 BPM
Average baseline rate at 15wks gestation Correct Answers: 160 BPM
Average rate in fetus with heart block Correct Answers: 60 BPM (intrinsic ventricular or nodal rate)
Sympathetic effects Correct 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 Correct Answers: ~ 32wks
Primary indicator of fetal oxygenation Correct Answers: Presence or absence of variability
Location of chemoreceptors Correct Answers: aortic arch
Chemoreceptors respond to? Correct Answers: Changes in O2 and CO2
Location of baroreceptors Correct Answers: Aortic arch and carotid bodies
Maximal reactivity occurs when? Correct Answers: Late at night
Max duration of fetal nonreactivity? Correct Answers: 80min
Sensitivity Correct Answers: Probablity of detecting a true positive
Specificity Correct Answers: Probability that true negative will be detected
False positive Correct Answers: erroneosly positive when reality is negative
False negative Correct Answers: erroneously negative when reality is positive
NST Correct Answers: Two 15x15 accels in 20min (up to 40min)
% of false positive CSTs? Correct Answers: ~ 30%
BPP components Correct Answers: 1) Fetal breathing movements
2) Gross body movements
3) Fetal tone
4) Reactive fetal heart rate
5) Qualitiative amniotic fluid volume
