NCC EFM EXAM QUESTIONS AND VERIFIED ANSWERS
Which of the following is the primary factor in uteroplacental blood flow?
A.. Fetal heart rate
B. Maternal cardiac output
C. Maternal oxygen consumption
B. Maternal cardiac output
Which of the following occurs when the parasympathetic branch of the autonomic
nervous system is stimulated?
A. Norepinephrine release
B. Slowed conduction to sinoatrial node
C. Increase in fetal heart rate
B. Slowed conduction to sinoatrial node
Which of the following is responsible for fetal muscle coordination?
A. Cerebellum
B. Cerebral cortex
C. Medulla oblongata
A. Cerebellum
During periods of fetal tachycardia, FHR variability is usually diminished due to
A. The dominance of the parasympathetic nervous system
B. The dominance of the sympathetic nervous system
C. Stimulation of the fetal vagus nerve
A. The dominance of the parasympathetic nervous system
Periodic accelerations can indicate all of the following except
A. Stimulation of fetal chemoreceptors
B. Tracing is a maternal tracing
C. Umbilical vein compression
A. Stimulation of fetal chemoreceptors
A transient decrease in cerebral blood flow (increased cerebral blood pressure)
during a contraction may stimulate _____ and may cause a(n) _____
A. Baroreceptors; early deceleration
, B. Baroreceptors; late deceleration
C. Chemoreceptors; early deceleration
A. Baroreceptors; early deceleration
The primary physiologic goal of interventions for late decelerations is to
A. Decrease maternal oxygen consumption
B. Maximize placental blood flow
C. Maximize umbilical circulation
B. Maximize placental blood flow
Which of the following is most responsible for producing FHR variability as the
fetus grows?
A. Maturation of the parasympathetic nervous system
B. Maturation of the sympathetic nervous system
C. Release of maternal prostaglandins
A. Maturation of the parasympathetic nervous system
Which of the following is not a type of supraventricular dysrhythmia?
A. Premature atrial contraction (PAC)
B. Premature ventricular contraction (PVC)
C. Supraventricular tachycardia (SVT)
B. Premature ventricular contraction (PVC)
Which is the most common type of fetal dysrhythmia?
A. Premature atrial contraction (PAC)
B. Premature ventricular contraction (PVC)
C. Third-degree heart block
A. Premature atrial contraction (PAC)
All of the following are traits of fetal supraventricular tachycardia (SVT), but
which is most problematic?
A. Decreases diastolic filling time
B. Dramatically increases oxygen consumption
C. Often leads to ventricular tachycardia (VT)
C. Often leads to ventricular tachycardia (VT)
Which of the following is the primary factor in uteroplacental blood flow?
A.. Fetal heart rate
B. Maternal cardiac output
C. Maternal oxygen consumption
B. Maternal cardiac output
Which of the following occurs when the parasympathetic branch of the autonomic
nervous system is stimulated?
A. Norepinephrine release
B. Slowed conduction to sinoatrial node
C. Increase in fetal heart rate
B. Slowed conduction to sinoatrial node
Which of the following is responsible for fetal muscle coordination?
A. Cerebellum
B. Cerebral cortex
C. Medulla oblongata
A. Cerebellum
During periods of fetal tachycardia, FHR variability is usually diminished due to
A. The dominance of the parasympathetic nervous system
B. The dominance of the sympathetic nervous system
C. Stimulation of the fetal vagus nerve
A. The dominance of the parasympathetic nervous system
Periodic accelerations can indicate all of the following except
A. Stimulation of fetal chemoreceptors
B. Tracing is a maternal tracing
C. Umbilical vein compression
A. Stimulation of fetal chemoreceptors
A transient decrease in cerebral blood flow (increased cerebral blood pressure)
during a contraction may stimulate _____ and may cause a(n) _____
A. Baroreceptors; early deceleration
, B. Baroreceptors; late deceleration
C. Chemoreceptors; early deceleration
A. Baroreceptors; early deceleration
The primary physiologic goal of interventions for late decelerations is to
A. Decrease maternal oxygen consumption
B. Maximize placental blood flow
C. Maximize umbilical circulation
B. Maximize placental blood flow
Which of the following is most responsible for producing FHR variability as the
fetus grows?
A. Maturation of the parasympathetic nervous system
B. Maturation of the sympathetic nervous system
C. Release of maternal prostaglandins
A. Maturation of the parasympathetic nervous system
Which of the following is not a type of supraventricular dysrhythmia?
A. Premature atrial contraction (PAC)
B. Premature ventricular contraction (PVC)
C. Supraventricular tachycardia (SVT)
B. Premature ventricular contraction (PVC)
Which is the most common type of fetal dysrhythmia?
A. Premature atrial contraction (PAC)
B. Premature ventricular contraction (PVC)
C. Third-degree heart block
A. Premature atrial contraction (PAC)
All of the following are traits of fetal supraventricular tachycardia (SVT), but
which is most problematic?
A. Decreases diastolic filling time
B. Dramatically increases oxygen consumption
C. Often leads to ventricular tachycardia (VT)
C. Often leads to ventricular tachycardia (VT)
