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Fetal Health Surveillance Exam Questions and Answers 100% Pass
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Fetal Health Surveillance Exam Questions and Answers 100% Pass Tachysystole - Any excessive uterine activity (UA); >5 contractions in a 10 minute window, averaged over 30 mins. Repetitive Decelerations - 3 or more decels in a row Recurrent Decelerations - Decels that occur with >50% of c...

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  • 22 de diciembre de 2024
  • 28
  • 2024/2025
  • Examen
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  • fetal health surveillance exam questions and answe

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  • AWHONN fetal monitoring
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Fetal Health Surveillance Exam
Questions and Answers 100% Pass

Tachysystole - ✔✔Any excessive uterine activity (UA); >5 contractions in a 10 minute window, averaged

over 30 mins.


Repetitive Decelerations - ✔✔3 or more decels in a row


Recurrent Decelerations - ✔✔Decels that occur with >50% of contractions in a 20 minute period


Intermittent Decelerations - ✔✔Decels that occur with <50% of contractions in a 20 minute period


Gradual Deceleration - ✔✔≥30 seconds from onset to nadir


Episodic Gradual Deceleration - ✔✔A gradual decel NOT associated with a contraction


Interpretable Electronic Fetal Monitoring - ✔✔Electronic fetal monitoring tracing that has a continuous

display of the fetal heart rate and uterine activity with minimal gaps.


Uterine Activity - How is this documented? - ✔✔Number of contractions present in a 10-minute window,

averaged over 30 minutes (e.g. 3 contractions in 10 minutes) - UNLESS atypical/abnormal in the first 10

minutes of tachysystole - initiate a response without averaging over 30 minutes


Recommended (minimum) tracing for EFM - ✔✔20 Minutes


Early Deceleration - ✔✔*safe*. Begin prior to peak of the contraction and end by the end of it. Caused by

head compression (E.G associated with fetal descent in the pelvis / full dilation). No need for

intervention if variability is within normal range and the FHR is within normal range. Characteristic of




Created by Katelyn Whitman © 2025, All Rights Reserved. 100% PASS GUARANTEE

,2|Page


nadir occurring at same time as peak of contraction. *Usually symmetrical*. Return to normal by end of

contraction.




**Early decelerations are said to be a mirror image of the contractions.**


Uncomplicated variable deceleration - ✔✔Caused by cord compression. 15 BPM below baseline lasting

>15s. Often have shoulders (initial accel, followed by rapid decel to the nadir, rapid return to baseline,

followed by secondary brief accel). Common in late 1st stage.




*NORMAL* if occasional uncomplicated variable decelerations occur


*ATYPICAL* if repetitive (greater than or equal to 3) uncomplicated variable decelerations occur


Complicated Variable Deceleration - ✔✔*Not ok - May be indicative of fetal hypoxia / acidemia* Also

caused by cord compression, but does not return to baseline by end of contraction. Any of: May last >60s

AND go down to <60BPM OR decrease by >60BPM below baseline; overshoot of 20BPM X 20secs after

decel; variable decel in presence of minimal or absent baseline variability, OR baseline tachycardia/

bradycardia. Can occur in 1st or 2nd stage.


Late decelerations - ✔✔*Also not ok - indicates uteroplacental insufficiency, or decreased uteroplacental

blood flow during contraction / associated with fetal hypoxia and acidemia* . = lowered fetal pO2.




Symmetrical - gradual drop and return to baseline, but unlike early decels, the onset, nadir and recovery

occurs AFTER the peak of the contraction.




**Gradual, smooth, delayed deceleration**



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, 3|Page


IA during 1st stage - how often? - ✔✔q15 mins


IA during 2nd stage - how often? - ✔✔q5 mins


EFM During 2nd stage - interpret how often? - ✔✔At least q15mins, otherwise q5mins


Spontaneous Accelerations - ✔✔*Good* - Reassuring, but not required to classify EFM as 'normal'.


Recommended in Response to atypical EFM and abnormal IA - ✔✔Digital Fetal Scalp Stimulation


Primary factors that regulate the FHR - ✔✔The medulla oblongata (in the brainstem), the autonomic

nervous system, baroreceptors, and chemoreceptors


Secondary factors that regulate the FHR - ✔✔Humoral or endocrine factors, blood composition and

volume, blood vessel diameter, cardiac contractility and amniotic fluid composition, as well as substances

released from the: hypothalamus, pituitary gland, adrenal glands, adipose tissue, pancreas, kidneys,

intestines, liver, spleen, bone marrow and heart


CNS - Medulla Oblongata... - ✔✔Serves as the integrative centre for central and peripheral neural control

of the cardiovascular and respiratory system. Blood pressure, heart rate, and vascular resistance are

controlled at this level.


CNS - Higher Brain Centres (mid-brain to cerebral cortex)... - ✔✔Responsible for variations in fetal heart

rate and variability in response to fetal behavioural states including quiet sleep, active sleep, and arousal

states.


Sympathetic Nervous System... - ✔✔Nerves originate in medulla oblongata with wide distribution in the

ventricles; neurotransmitter is norepinephrine; stimulation produces increase in strength of cardiac

contraction and increase in the fetal heart rate


Parasympathetic Nervous System... - ✔✔The vagus nerve originating in the medulla oblongata

innervates the sino-atrial (SA) and atrioventricular (AV) nodes in the heart; the neurotransmitter at the



Created by Katelyn Whitman © 2025, All Rights Reserved. 100% PASS GUARANTEE

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