NCC EFM Cert. Exam With Verified Answers latest version

NCC EFM Cert. Exam With Verified Answers Ductus venosus connects ______ to ______? - ANSWER Umb. vein to IVC Foramen ovale connects _______to______? - ANSWER R. atrium to L. atrium Ductus arteriosus connects _______ to _______? - ANSWER Pulm. artery to aorta Normal rate - ANSWER 110 to 160 BPM Average baseline rate at 15wks gestation - ANSWER 160 BPM Average rate in fetus with heart block - ANSWER 60 BPM (intrinsic ventricular or nodal rate) Sympathetic effects - 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 - ANSWER ~ 32wks Primary indicator of fetal oxygenation - ANSWER Presence or absence of variability Location of chemoreceptors - ANSWER aortic arch Chemoreceptors respond to? - ANSWER Changes in O2 and CO2 Location of baroreceptors - ANSWER Aortic arch and carotid bodies Maximal reactivity occurs when? - ANSWER Late at night Max duration of fetal nonreactivity? - ANSWER 80min