NCC EFM Cert Exam Knowledge Check with complete solutions | Latest 2023/2024

NCC EFM Cert Exam Knowledge Check with complete solutions | Latest 2023/2024 Oxygen is transferred from mom to fetus via the placenta through? -- Passive (Simple) Diffusion Intervillous space perfusion is dependent on? -- Adequate Uterine Blood Flow Maternal Fetal Exchange is best promoted by which maternal position? -- Either Rt or Lt Lateral What is transfer down the concentration gradient from higher to lower called? -- Diffusion The most likely physical rationale for recurrent late decels after epidural is? -- Maternal Sympathetic Blockade Which FHR pattern would be anticipated when monitoring mono-mono twins? -- Variable Decels Fetus can survive in an environment w/ a PO2 equal to adult venous blood d/t? -- increased O2 carrying capacity Variable decels are mediated primarily by? -- baroreceptors The sympathetic branch of the ANS influences FHR to? -- increase the average difference in baseline FHR b/w 30 & 40 weeks is? -- 10bpm usually 5-6; 10 is closest Fetal blood is most highly oxygenated in the? -- Ductus Venosous An abrupt rise in fetal bp can stimulate? -- variable decels During an acute episode of fetal hypoxemia, fetal blood flow is redistributed primarily to the? -- brain Over the course of pregnancy, the FHR baseline? -- decreases FHR variability is dependent upon? -- cerebral oxygen and intact CNS chemoreceptors respond mainly to? -- hypoxemia pH: 7.22 pCO2: 50 HCO3: 24 BE: -3 -- normal acid-base status (if pH is normal, answer is normal) Fetal respiratory academia is indicated by a pH of 7.04 and a PCO2 of? -- 60 pH: 6.98 PCO2: 49 HCO3: 16 BE:-16 -- metabolic acidemia pH: 7.04 pCO2: 80 HCO3: 22 BE: -4 -- respiratory acidemia Fetal metabolic acidemia is indicated by an umbilical artery cord blood gas pH of 6.94 & BE of? -- -12 Decels that occur with 50% ctx: -- intermittent An acceleration of FHR that is elicited during fetal scalp stim indicates a fetal pH of at least? -- 7.19 FHR characteristic most predictive of a vigorous baby at birth is? -- variability EFM tracing w/ absent variability and recurrent late decels would be categorized as? -- abnormal (cat 3) likely cause of fetal tachy w/ moderate variability in a term fetus? -- maternal fever FHR pattern likely to develop w/severe fetal anemia? -- sinusoidal marked variability is mediated by? -- adrenergic activity during 1st stage of labor for women w/ no risk factors, efm should be reviewed every? -- 30 min. during 1st stage of labor for women w/complications, EFM should be reviewed every? -- 15 min.