NCC EFM Cert. Exam All Answers
Correct
Ductus venosus connects ______ to ______? Ans- Umb. vein to IVC
Foramen ovale connects _______to______? Ans- R. atrium to L. atrium
Ductus arteriosus connects _______ to _______? Ans- Pulm. artery to aorta
Normal rate Ans- 110 to 160 BPM
Average baseline rate at 15wks gestation Ans- 160 BPM
Average rate in fetus with heart block Ans- 60 BPM (intrinsic ventricular or nodal rate)
Sympathetic effects Ans- 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 Ans- ~ 32wks
Primary indicator of fetal oxygenation Ans- Presence or absence of variability
Location of chemoreceptors Ans- aortic arch
Chemoreceptors respond to? Ans- Changes in O2 and CO2
Location of baroreceptors Ans- Aortic arch and carotid bodies
Maximal reactivity occurs when? Ans- Late at night
, Max duration of fetal nonreactivity? Ans- 80min
Sensitivity Ans- Probablity of detecting a true positive
Specificity Ans- Probability that true negative will be detected
False positive Ans- erroneosly positive when reality is negative
False negative Ans- erroneously negative when reality is positive
NST Ans- Two 15x15 accels in 20min (up to 40min)
% of false positive CSTs? Ans- ~ 30%
BPP components Ans- 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 Ans- Normal
BPP Score of 8 Ans- Nl infant, low risk of chronic asphyxia
BPP Score of 6 Ans- Borderline result - rpt in 24hrs
BPP Score of 4 Ans- Suspect chronic asphyxia
Correct
Ductus venosus connects ______ to ______? Ans- Umb. vein to IVC
Foramen ovale connects _______to______? Ans- R. atrium to L. atrium
Ductus arteriosus connects _______ to _______? Ans- Pulm. artery to aorta
Normal rate Ans- 110 to 160 BPM
Average baseline rate at 15wks gestation Ans- 160 BPM
Average rate in fetus with heart block Ans- 60 BPM (intrinsic ventricular or nodal rate)
Sympathetic effects Ans- 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 Ans- ~ 32wks
Primary indicator of fetal oxygenation Ans- Presence or absence of variability
Location of chemoreceptors Ans- aortic arch
Chemoreceptors respond to? Ans- Changes in O2 and CO2
Location of baroreceptors Ans- Aortic arch and carotid bodies
Maximal reactivity occurs when? Ans- Late at night
, Max duration of fetal nonreactivity? Ans- 80min
Sensitivity Ans- Probablity of detecting a true positive
Specificity Ans- Probability that true negative will be detected
False positive Ans- erroneosly positive when reality is negative
False negative Ans- erroneously negative when reality is positive
NST Ans- Two 15x15 accels in 20min (up to 40min)
% of false positive CSTs? Ans- ~ 30%
BPP components Ans- 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 Ans- Normal
BPP Score of 8 Ans- Nl infant, low risk of chronic asphyxia
BPP Score of 6 Ans- Borderline result - rpt in 24hrs
BPP Score of 4 Ans- Suspect chronic asphyxia
