AND ANSWERS 2026 GRADED A+
◉ 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