NCC EFM practice
_____ are abnormal FHR rhythms associated with disordered impulse formation, conduction, or
both.
A. Arrhythmias
B. Supraventricular tachycardias
C. Dysrhythmias - ANS-C. Dysrhythmias
_____ are patterns of abnormal FHR associated with variability in R-to-R intervals, but with
normal P-waves preceding normal QRS complexes.
A. Arrhythmias
B. Complete heart blocks
C. Dysrhythmias - ANS-A. Arrhythmias
_____ cord blood sampling is predictive of uteroplacental function.
A. Arterial
B. Venous
C. Maternal - ANS-B. Venous
_______ _______ occurs when the HCO3 concentration is higher than normal.
A. Base deficit
B. Base excess
C. Metabolic acidosis - ANS-B. Base excess
_______ _______ occurs when the HCO3 concentration is lower than normal.
A. Base deficit
B. Base excess
C. Metabolic acidosis - ANS-A. Base deficit
_______ _______ occurs when there is high PCO2 with normal bicarbonate levels.
A. Metabolic acidosis
B. Respiratory acidosis
C. Metabolic alkalosis - ANS-B. Respiratory acidosis
_______ _______ occurs when there is low bicarbonate (base excess) in the presence of
normal pressure of carbon dioxide (PCO2) values.
A. Metabolic acidosis
B. Respiratory acidosis
C. Metabolic alkalosis - ANS-A. Metabolic acidosis
_______ denotes an increase in hydrogen ions in the fetal blood.
A. Acidosis
,B. Acidemia
C. Hypercapnia - ANS-B. Acidemia
_______ is defined as the energy-consuming process of metabolism. - ANS-Anabolism
_______ is defined as the energy-releasing process of metabolism. - ANS-Catabolism
(T/F) An internal scalp electrode can solely diagnose a fetal dysrhythmia. - ANS-False
(T/F) An internal scalp electrode will detect the actual fetal ECG. - ANS-True
(T/F) Metabolic acidosis is more easily reversible and potentially less detrimental to the fetus
when compared to respiratory acidosis. - ANS-False
(T/F) Sinus bradycardias, sinus tachycardias, and sinus arrhythmias are all associated with
normal conduction (normal P-waves followed by narrow QRS complexes). - ANS-True
(T/F) There is a strong correlation between arterial cord blood gas results and Apgar scores. -
ANS-False
(T/F) Vibroacoustic stimulation may be less effective for preterm fetuses or when membranes
have been ruptured. - ANS-True
***
pH 6.86
pCO2 28
pO2 2.1
HCO3 4.0
B.D. 42
the umbilical arterial cord blood gas values reflect
A. metabolic acidemia
B. mixed acidemia
C. respiratory acidemia - ANS-A. Metabolic acidemia
*** A preterm fetus with persistent supraventricular tachycardia that is not hydropic is best
treated with maternal administration of
A. Digoxin
B. Phenobarbital
C. Terbutaline - ANS-A. Digoxin
*** As fetal hypoxia (asphyxia) worsens, the last component of the BPP to disappear is fetal
A. Breathing
B. Movement
C. Tone - ANS-C. Tone
, *** Baseline FHR variability is determined in what amount of time, excluding accelerations and
decelerations?
A. 10 min
B. 20 min
C. 30 min - ANS-A. 10 min
*** Regarding the reliability of EFM, there is
A. Good interobserver reliability
B. Good intraobserver reliability
C. Poor interobserver and intraobserver reliability - ANS-C. Poor interobserver and intraobserver
reliability
*** The fetus responds to a significant drop of PO2 by
A. Increasing O2 consumption
B. Reducing lactic acid production
C. Shifting blood to vital organs - ANS-C. Shifting blood to vital organs
*** When using auscultation to determine FHR baseline, the FHR should be counted after the
contractions for
A. 5-10 sec
B. 15-30 sec
C. 30-60 sec - ANS-C. 30-60 sec
***A woman being monitored externally has a suspected fetal arrhythmia. The most appropriate
action is to
A. Insert a spiral electrode and turn off the logic
B. Turn the logic on if an external monitor is in place
C. Use a Doppler to listen to the ventricular rate - ANS-A. Insert a spiral electrode and turn off
the logic
***A woman receives terbutaline for an external version. You may expect what on the fetal heart
tracing?
A. Decrease in variability
B. Increase in baseline
C. No change - ANS-B. Increase in baseline
***Betamethasone given to the mother can transiently affect the FHR by
A. Decreasing variability
B. Increasing variability
C. Lowering the baseline - ANS-A. Decreasing variability
_____ are abnormal FHR rhythms associated with disordered impulse formation, conduction, or
both.
A. Arrhythmias
B. Supraventricular tachycardias
C. Dysrhythmias - ANS-C. Dysrhythmias
_____ are patterns of abnormal FHR associated with variability in R-to-R intervals, but with
normal P-waves preceding normal QRS complexes.
A. Arrhythmias
B. Complete heart blocks
C. Dysrhythmias - ANS-A. Arrhythmias
_____ cord blood sampling is predictive of uteroplacental function.
A. Arterial
B. Venous
C. Maternal - ANS-B. Venous
_______ _______ occurs when the HCO3 concentration is higher than normal.
A. Base deficit
B. Base excess
C. Metabolic acidosis - ANS-B. Base excess
_______ _______ occurs when the HCO3 concentration is lower than normal.
A. Base deficit
B. Base excess
C. Metabolic acidosis - ANS-A. Base deficit
_______ _______ occurs when there is high PCO2 with normal bicarbonate levels.
A. Metabolic acidosis
B. Respiratory acidosis
C. Metabolic alkalosis - ANS-B. Respiratory acidosis
_______ _______ occurs when there is low bicarbonate (base excess) in the presence of
normal pressure of carbon dioxide (PCO2) values.
A. Metabolic acidosis
B. Respiratory acidosis
C. Metabolic alkalosis - ANS-A. Metabolic acidosis
_______ denotes an increase in hydrogen ions in the fetal blood.
A. Acidosis
,B. Acidemia
C. Hypercapnia - ANS-B. Acidemia
_______ is defined as the energy-consuming process of metabolism. - ANS-Anabolism
_______ is defined as the energy-releasing process of metabolism. - ANS-Catabolism
(T/F) An internal scalp electrode can solely diagnose a fetal dysrhythmia. - ANS-False
(T/F) An internal scalp electrode will detect the actual fetal ECG. - ANS-True
(T/F) Metabolic acidosis is more easily reversible and potentially less detrimental to the fetus
when compared to respiratory acidosis. - ANS-False
(T/F) Sinus bradycardias, sinus tachycardias, and sinus arrhythmias are all associated with
normal conduction (normal P-waves followed by narrow QRS complexes). - ANS-True
(T/F) There is a strong correlation between arterial cord blood gas results and Apgar scores. -
ANS-False
(T/F) Vibroacoustic stimulation may be less effective for preterm fetuses or when membranes
have been ruptured. - ANS-True
***
pH 6.86
pCO2 28
pO2 2.1
HCO3 4.0
B.D. 42
the umbilical arterial cord blood gas values reflect
A. metabolic acidemia
B. mixed acidemia
C. respiratory acidemia - ANS-A. Metabolic acidemia
*** A preterm fetus with persistent supraventricular tachycardia that is not hydropic is best
treated with maternal administration of
A. Digoxin
B. Phenobarbital
C. Terbutaline - ANS-A. Digoxin
*** As fetal hypoxia (asphyxia) worsens, the last component of the BPP to disappear is fetal
A. Breathing
B. Movement
C. Tone - ANS-C. Tone
, *** Baseline FHR variability is determined in what amount of time, excluding accelerations and
decelerations?
A. 10 min
B. 20 min
C. 30 min - ANS-A. 10 min
*** Regarding the reliability of EFM, there is
A. Good interobserver reliability
B. Good intraobserver reliability
C. Poor interobserver and intraobserver reliability - ANS-C. Poor interobserver and intraobserver
reliability
*** The fetus responds to a significant drop of PO2 by
A. Increasing O2 consumption
B. Reducing lactic acid production
C. Shifting blood to vital organs - ANS-C. Shifting blood to vital organs
*** When using auscultation to determine FHR baseline, the FHR should be counted after the
contractions for
A. 5-10 sec
B. 15-30 sec
C. 30-60 sec - ANS-C. 30-60 sec
***A woman being monitored externally has a suspected fetal arrhythmia. The most appropriate
action is to
A. Insert a spiral electrode and turn off the logic
B. Turn the logic on if an external monitor is in place
C. Use a Doppler to listen to the ventricular rate - ANS-A. Insert a spiral electrode and turn off
the logic
***A woman receives terbutaline for an external version. You may expect what on the fetal heart
tracing?
A. Decrease in variability
B. Increase in baseline
C. No change - ANS-B. Increase in baseline
***Betamethasone given to the mother can transiently affect the FHR by
A. Decreasing variability
B. Increasing variability
C. Lowering the baseline - ANS-A. Decreasing variability
