NCC EFM Cert. Exam

NCC EFM Cert. Exam NCC EFM Cert. Exam 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 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 False negative - CORRECT ANSWER erroneously negative when reality is positive NST - CORRECT ANSWER Two 15x15 accels in 20min (up to 40min) % of false positive CSTs? - CORRECT ANSWER ~ 30% BPP components - CORRECT ANSWER 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 - CORRECT ANSWER Normal BPP Score of 8 - CORRECT ANSWER Nl infant, low risk of chronic asphyxia BPP Score of 6 - CORRECT ANSWER Borderline result - rpt in 24hrs BPP Score of 4 - CORRECT ANSWER Suspect chronic asphyxia BPP Score of 0-2 - CORRECT ANSWER Strongly suspect chronic asphyxia Early manifestation of fetal acidosis? - CORRECT ANSWER Non-reacive NST and loss of FBM Change in FBM with maternal glucose changes? - CORRECT ANSWER FBM incr. with rising mGlu FBM decr. with mHYPOglycemia Maternal smoking effects FBM how? - CORRECT ANSWER FBM decr. with msmoking Corticosteroids effects FBM? - CORRECT ANSWER corticosteroids may decr. FBM Maternal PAO2 at sea level? - CORRECT ANSWER ~105mmHg Change in cardiac output and SVR in pre-E? - CORRECT ANSWER CO and SVR INCREASED in pre-E Prolonged decels occured in ___% of uterine rupture? - CORRECT ANSWER 71% Signif. neonatal morbidity occured when ____min or longer elapsed between onset of HFR decel and delivery. - CORRECT ANSWER 18min Normal arterial pH for healthy vaginal deliveries? - CORRECT ANSWER 7.28+/- 0.05