NCC EFM Cert. Exam with correct answers

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%