NCC EFM Cert. Exam Questions And Answers With 100% Correct Answers
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Course
NCC EFM
Institution
NCC EFM
Baseline (defn) - mean FHR rounded to increments of 5 BPM during a 10min perioud excl. periodic
or episodic changes, contractions, periods of marked variability, and segments of baseline that differ by
>25 BPM
Sinusoidal pattern? - Fetal anemia
Ductus arteriosus connects _______ to _______? ...
NCC EFM Cert. Exam
Baseline (defn) - mean FHR rounded to increments of 5 BPM during a 10min perioud excl. periodic
or episodic changes, contractions, periods of marked variability, and segments of baseline that differ by
>25 BPM
Sinusoidal pattern? - Fetal anemia
Ductus arteriosus connects _______ to _______? - Pulm. artery to aorta
Normal rate - 110 to 160 BPM
Average baseline rate at 15wks gestation - 160 BPM
Average rate in fetus with heart block - 60 BPM (intrinsic ventricular or nodal rate)
Sympathetic effects - 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 - ~ 32wks
Primary indicator of fetal oxygenation - Presence or absence of variability
Location of chemoreceptors - aortic arch
Chemoreceptors respond to? - Changes in O2 and CO2
Location of baroreceptors - Aortic arch and carotid bodies
, Maximal reactivity occurs when? - Late at night
Max duration of fetal nonreactivity? - 80min
Sensitivity - Probablity of detecting a true positive
Specificity - Probability that true negative will be detected
False positive - erroneosly positive when reality is negative
False negative - erroneously negative when reality is positive
NST - Two 15x15 accels in 20min (up to 40min)
% of false positive CSTs? - ~ 30%
BPP components - 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 - Normal
BPP Score of 8 - Nl infant, low risk of chronic asphyxia
BPP Score of 6 - Borderline result - rpt in 24hrs
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