NCC EFM Exam Practice Questions And Answers

Oxygen is transferred from mom to fetus via the placenta through? - Answer Passive (Simple) Diffusion Intervillous space perfusion is dependent on? - Answer Adequate Uterine Blood Flow Maternal Fetal Exchange is best promoted by which maternal position? - Answer Either Rt or Lt Lateral What is transfer down the concentration gradient from higher to lower called? - Answer Diffusion The most likely physical rationale for recurrent late decels after epidural is? - Answer Maternal Sympathetic Blockade Which FHR pattern would be anticipated when monitoring mono-mono twins? - Answer Variable Decels Fetus can survive in an environment w/ a PO2 equal to adult venous blood d/t? - Answer increased O2 carrying capacity Variable decels are mediated primarily by? - Answer baroreceptors The sympathetic branch of the ANS influences FHR to? - Answer increase the average difference in baseline FHR b/w 30 & 40 weeks is? - Answer 10bpm usually 5-6; 10 is closest Fetal blood is most highly oxygenated in the? - Answer Ductus Venosous An abrupt rise in fetal bp can stimulate? - Answer variable decels During an acute episode of fetal hypoxemia, fetal blood flow is redistributed primarily to the? - Answer brain Over the course of pregnancy, the FHR baseline? - Answer decreases FHR variability is dependent upon? - Answer cerebral oxygen and intact CNS chemoreceptors respond mainly to? - Answer hypoxemia pH: 7.22 pCO2: 50 HCO3: 24 BE: -3 - Answer normal acid-base status