NCC EFM practice Questions and Answers Latest
Question 1: Oxygen is transferred from mom to fetus via
the placenta through?
CORRECT ANSWER : Passive (Simple) Diffusion
Question 2: Intervillous space perfusion is dependent on?
CORRECT ANSWER : Adequate Uterine Blood Flow
Question 3: Maternal Fetal Exchange is best promoted by
which maternal position?
CORRECT ANSWER : Either Rt or Lt Lateral
Question 4: What is transfer down the concentration
gradient from higher to lower called?
CORRECT ANSWER : Diffusion
Question 5: The most likely physical rationale for
recurrent late decels after epidural is?
CORRECT ANSWER : Maternal Sympathetic Blockade
Question 6: Which FHR pattern would be anticipated
when monitoring mono-mono twins?
CORRECT ANSWER : Variable Decels
Question 7: Fetus can survive in an environment w/ a
PO2 equal to adult venous blood d/t?
CORRECT ANSWER : increased O2 carrying capacity
Question 8: Variable decels are mediated primarily by?
CORRECT ANSWER : baroreceptors
Question 9: The sympathetic branch of the ANS
influences FHR to?
CORRECT ANSWER : increase
Question 10: The average difference in baseline FHR b/w
30 & 40 weeks is?
CORRECT ANSWER : 10bpm (usually 5-6; 10 is
closest)
Question 11: Fetal blood is most highly oxygenated in
the?
CORRECT ANSWER: Ductus Venosus
Question 12: An abrupt rise in fetal bp can stimulate?
CORRECT ANSWER : variable decels
Question 13: During an acute episode of fetal hypoxemia,
fetal blood flow is redistributed primarily to the?
CORRECT ANSWER : brain
Question 14: Over the course of pregnancy, the FHR
baseline?
CORRECT ANSWER : decreases
Question 15: FHR variability is dependent upon?
CORRECT ANSWER : cerebral oxygen and intact CNS
Question 16: Chemoreceptors respond mainly to?
CORRECT ANSWER : hypoxemia
Question 17: pH: 7.22, pCO2: 50, HCO3: 24, BE: -3 indicates?
CORRECT ANSWER : normal acid-base status (if pH is
normal, answer is normal)
Question 18: Fetal respiratory acidemia is indicated by a
pH of 7.04 and a PCO2 of?
CORRECT ANSWER : >60
Question 19: pH: 6.98, PCO2: 49, HCO3: 16, BE: -16 indicates?
CORRECT ANSWER : metabolic acidemia
Question 20: pH: 7.04, pCO2: 80, HCO3: 22, BE: -4 indicates?
