Med Ed EFM Cert Practice Questions Correctly
Solved to Score A+
Variable decels are mediated primarily by:
A. baroreceptors
B. chemoreceptors
C. vagal response - Answer A. baroreceptors
The average difference in baseline FHR between 30- and 40-weeks’ gestation is:
A. 10 bpm
B. 20 bpm
C. 30 bpm - Answer A. 10 bpm
The sympathetic branch of the autonomic nervous system influences the FHR to:
A. decrease
B. increase
C. remain unchanged - Answer B. increase
Fetal chemoreceptors are stimulated by:
A. an increase in CO2
B. a decrease in CO2
C. an increase in O2 - Answer A. an increase in CO2 (more CO2, less O2)
When using a Doppler to determine FHR, autocorrelation:
,A. analyzes the strength of cardiac contractions
B. compares successive reflected ultrasound waveforms at many points
C. measures and averages 1-3 total R-R intervals - Answer B. compares successive reflected ultrasound
waveforms at many points
The direct fetal electrode is applied directly to the fetus and requires:
A. determination of presenting part, cervical dilation, and station
B. the presence of active labor
C. determination of cervical dilation and position - Answer C. determination of cervical dilation and
position
The tocotransducer provides all of the following information except:
A. frequency and duration of contractions
B. interval and timing of contractions
C. intensity and resting tone of uterus - Answer C. intensity and resting tone of uterus
The direct fetal electrode records every fetal heartbeat, but it is still possible for it to:
A. half-count the FHR if the rate is higher than 180-200 bpm
B. double-count the FHR if the rate is below 50 bpm
C. record maternal HR if a demise is present - Answer C. record maternal HR if a demise is present
The primary source of oxygen for the fetus is:
A. the fetal lungs
B. the maternal pulmomary artery
C. the maternal respiratory system - Answer C. the maternal respiratory system
, Oxygen is transferred from the mother to the fetus via the placenta through:
A. active transport
B. hydrostatic pressure
C. passive diffusion - Answer C. passive diffusion
Intervillous space perfusion is dependent on:
A. adequate uterine blood flow
B. maternal oxygenation
C. the number of fetal villi - Answer A. adequate uterine blood flow
The umbilical vein carries:
A. oxygenated blood to the fetus
B. deoxygenated blood away from the fetus
C. carbon dioxide away from the fetus - Answer A. oxygenated blood to the fetus
Which is an example of facilitated transport?
A. glucose
B. amino acids
C. iron - Answer A. glucose
A.frequency and duration of contractions - Answer C. intensity and resting tone of the uterus
One limitation of the direct fetal electrode is:
Solved to Score A+
Variable decels are mediated primarily by:
A. baroreceptors
B. chemoreceptors
C. vagal response - Answer A. baroreceptors
The average difference in baseline FHR between 30- and 40-weeks’ gestation is:
A. 10 bpm
B. 20 bpm
C. 30 bpm - Answer A. 10 bpm
The sympathetic branch of the autonomic nervous system influences the FHR to:
A. decrease
B. increase
C. remain unchanged - Answer B. increase
Fetal chemoreceptors are stimulated by:
A. an increase in CO2
B. a decrease in CO2
C. an increase in O2 - Answer A. an increase in CO2 (more CO2, less O2)
When using a Doppler to determine FHR, autocorrelation:
,A. analyzes the strength of cardiac contractions
B. compares successive reflected ultrasound waveforms at many points
C. measures and averages 1-3 total R-R intervals - Answer B. compares successive reflected ultrasound
waveforms at many points
The direct fetal electrode is applied directly to the fetus and requires:
A. determination of presenting part, cervical dilation, and station
B. the presence of active labor
C. determination of cervical dilation and position - Answer C. determination of cervical dilation and
position
The tocotransducer provides all of the following information except:
A. frequency and duration of contractions
B. interval and timing of contractions
C. intensity and resting tone of uterus - Answer C. intensity and resting tone of uterus
The direct fetal electrode records every fetal heartbeat, but it is still possible for it to:
A. half-count the FHR if the rate is higher than 180-200 bpm
B. double-count the FHR if the rate is below 50 bpm
C. record maternal HR if a demise is present - Answer C. record maternal HR if a demise is present
The primary source of oxygen for the fetus is:
A. the fetal lungs
B. the maternal pulmomary artery
C. the maternal respiratory system - Answer C. the maternal respiratory system
, Oxygen is transferred from the mother to the fetus via the placenta through:
A. active transport
B. hydrostatic pressure
C. passive diffusion - Answer C. passive diffusion
Intervillous space perfusion is dependent on:
A. adequate uterine blood flow
B. maternal oxygenation
C. the number of fetal villi - Answer A. adequate uterine blood flow
The umbilical vein carries:
A. oxygenated blood to the fetus
B. deoxygenated blood away from the fetus
C. carbon dioxide away from the fetus - Answer A. oxygenated blood to the fetus
Which is an example of facilitated transport?
A. glucose
B. amino acids
C. iron - Answer A. glucose
A.frequency and duration of contractions - Answer C. intensity and resting tone of the uterus
One limitation of the direct fetal electrode is:
