NCC EFM Certification MOD 005 Quiz Test Bank (Q & A) 2023 VERIFIED

Ductus venosus connects ______ to ______? correct answers Umb. vein to IVC Foramen ovale connects _______to______? correct answers R. atrium to L. atrium Ductus arteriosus connects _______ to _______? correct answers Pulm. artery to aorta Normal rate correct answers 110 to 160 BPM Average baseline rate at 15wks gestation correct answers 160 BPM Average rate in fetus with heart block correct answers 60 BPM (intrinsic ventricular or nodal rate) Sympathetic effects correct answers 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 answers ~ 32wks Primary indicator of fetal oxygenation correct answers Presence or absence of variability Location of chemoreceptors correct answers aortic arch Chemoreceptors respond to? correct answers Changes in O2 and CO2 Location of baroreceptors correct answers Aortic arch and carotid bodies Maximal reactivity occurs when? correct answers Late at night Max duration of fetal nonreactivity? correct answers 80min Sensitivity correct answers Probablity of detecting a true positive Specificity correct answers Probability that true negative will be detected False positive correct answers erroneosly positive when reality is negative False negative correct answers erroneously negative when reality is positive NST correct answers Two 15x15 accels in 20min (up to 40min) % of false positive CSTs? correct answers ~ 30%