Solution
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