NCC EFM Cert. Exam with Complete Solutions 2023/2024 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)
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