NCC EFM Cer| Questions With 100% Correct Answers | Verified
Ductus venosus connects ______ to ______? - Umb. vein to IVC Foramen ovale connects _______to______? - R. atrium to L. atrium Ductus arteriosus connects _______ to _______? - Pulm. artery to aorta Normal rate - 110 to 160 BPM Average baseline rate at 15wks gestation - 160 BPM Average rate in fetus with heart block - 60 BPM (intrinsic ventricular or nodal rate) Sympathetic effects - 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 - ~ 32wks Primary indicator of fetal oxygenation - Presence or absence of variability Location of chemoreceptors - aortic arch Chemoreceptors respond to? - Changes in O2 and CO2 Location of baroreceptors - Aortic arch and carotid bodies Maximal reactivity occurs when? - Late at night
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