NCC EFM Cert. Exam question with correct 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