NCC EFM EXAM LATEST 2023 REAL EXAM 200
QUESTIONS AND DETAIED ANSWERS (VERIFIED
ANSWERS) |AGRADE
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
QUESTIONS AND DETAIED ANSWERS (VERIFIED
ANSWERS) |AGRADE
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
