The paper speed used with EFM in North America is:
a. 1cm/min
b. 2cm/min
c. 3cm/min - ANSWER C. 3cm/min
The US transducer on the EFM measures the
a. Electrical signal of the fetal heart
b. Mechanical movement of the fetal heart reflected off of sound waves
c. R to R intervals of the fetal heart - ANSWER b. Mechanical movement of the fetal
heart reflected off of sound waves
The purpose of the autocorrelation in external monitoring is to
a. Compare incoming waveforms for comparison
b. Decrease signal to noise levels
c. Distinguish fetal from maternal heart rate - ANSWER a. Compare incoming
waveforms for comparison
The area of maximum intensity of FHR is usually the fetal
a. Back
b. Chest
c. Umbilicus - ANSWER a. Back
Palpating the uterus is best performed by using the
1
,a. Back of hand
b. Fingertips
c. Palm - ANSWER B. Fingertips
What is the most sensitive method of assessing uterine activity?
a. Intrauterine pressure catheter
b. Manual palpation
c. Maternal perception - ANSWER a. Intrauterine pressure catheter
When educating the patient about fetal monitoring, the most appropriate statement is
a. A normal tracing indicates that your baby is well-oxygenated
b. A normal tracing indicates that you have a healthy baby
c. Continuous fetal monitoring will insure a better outcome for your baby - ANSWER a.
A normal tracing indicates that your baby is well-oxygenated
In comparison to maternal blood, the affinity of fetal blood for oxygen is
a. Higher
b. Lower
c. The same - ANSWER a. Higher
The process that requires energy to accomplish the passage of substances within the
intervillous space is
a. Active transport
b. Diffusion
c. Facilitated diffusion - ANSWER a. Active transport
The umbilical vein carries
a. Carbon dioxide from the fetus back to the placenta
2
, b. Deoxygenated blood from the fetus to the placenta
c. Oxygenated blood from the placenta to the fetus - ANSWER c. Oxygenated blood
from the placenta to the fetus
Fetal hypoxia is best described as a condition of
a. Decreased oxygen in the blood
b. Decreased oxygen in the tissue
c. Increased hydrogen ions in the blood - ANSWER b. Decreased oxygen in the tissue
Stimulation of the PNS causes the FHR to
a. Decrease
b. Increase
c. Remain the same - ANSWER a. Decrease
Chemoreceptors respond mainly to changes in
a. Blood pressure
b. Hormonal leves
c. Oxygen and CO2 levels - ANSWER c. Oxygen and CO2 levels
The fetus responses to a significant drop of PO2 by
a. Increasing oxygen consumption
b. Reducing lactic acid production
c. Shifting blood to vital organs - ANSWER c. Shifting blood to vital organs
Activation of fetal peripheral chemoreceptors results in which FHR change
a. Decrease
b. Increase
3
a. 1cm/min
b. 2cm/min
c. 3cm/min - ANSWER C. 3cm/min
The US transducer on the EFM measures the
a. Electrical signal of the fetal heart
b. Mechanical movement of the fetal heart reflected off of sound waves
c. R to R intervals of the fetal heart - ANSWER b. Mechanical movement of the fetal
heart reflected off of sound waves
The purpose of the autocorrelation in external monitoring is to
a. Compare incoming waveforms for comparison
b. Decrease signal to noise levels
c. Distinguish fetal from maternal heart rate - ANSWER a. Compare incoming
waveforms for comparison
The area of maximum intensity of FHR is usually the fetal
a. Back
b. Chest
c. Umbilicus - ANSWER a. Back
Palpating the uterus is best performed by using the
1
,a. Back of hand
b. Fingertips
c. Palm - ANSWER B. Fingertips
What is the most sensitive method of assessing uterine activity?
a. Intrauterine pressure catheter
b. Manual palpation
c. Maternal perception - ANSWER a. Intrauterine pressure catheter
When educating the patient about fetal monitoring, the most appropriate statement is
a. A normal tracing indicates that your baby is well-oxygenated
b. A normal tracing indicates that you have a healthy baby
c. Continuous fetal monitoring will insure a better outcome for your baby - ANSWER a.
A normal tracing indicates that your baby is well-oxygenated
In comparison to maternal blood, the affinity of fetal blood for oxygen is
a. Higher
b. Lower
c. The same - ANSWER a. Higher
The process that requires energy to accomplish the passage of substances within the
intervillous space is
a. Active transport
b. Diffusion
c. Facilitated diffusion - ANSWER a. Active transport
The umbilical vein carries
a. Carbon dioxide from the fetus back to the placenta
2
, b. Deoxygenated blood from the fetus to the placenta
c. Oxygenated blood from the placenta to the fetus - ANSWER c. Oxygenated blood
from the placenta to the fetus
Fetal hypoxia is best described as a condition of
a. Decreased oxygen in the blood
b. Decreased oxygen in the tissue
c. Increased hydrogen ions in the blood - ANSWER b. Decreased oxygen in the tissue
Stimulation of the PNS causes the FHR to
a. Decrease
b. Increase
c. Remain the same - ANSWER a. Decrease
Chemoreceptors respond mainly to changes in
a. Blood pressure
b. Hormonal leves
c. Oxygen and CO2 levels - ANSWER c. Oxygen and CO2 levels
The fetus responses to a significant drop of PO2 by
a. Increasing oxygen consumption
b. Reducing lactic acid production
c. Shifting blood to vital organs - ANSWER c. Shifting blood to vital organs
Activation of fetal peripheral chemoreceptors results in which FHR change
a. Decrease
b. Increase
3
