NUR 335 Exam 2 Arizona College of Nursing-Tempe | UPDATED
Questions with 100% Verified Answers
Question:
According to the AWHONN, how often should you assess
FHR?
Answer:
Low risk without oxytocin fetal status assessment:
- stage 1= 15-30 minutes once 4-5 cm dilated
- stage 2= 5-15 minutes
Low risk without oxytocin electronic FHR monitoring:
- stage 1: every 30 minutes once 4-5 cm dilated
- stage 2: every 30 minutes up until active pushing then every 15 minutes
Low risk with oxytocin electronic FHR monitoring:
- stage 1: every 15 minutes
- stage 2: every 15 minutes up until active pushing then every 5 minutes
Question:
What is the difference between electronic fetal monitoring
and internal fetal monitoring?
Answer:
- Electronic: Use of the toco and FHR doppler to essentially perform an NST; external
and non-invasive devices that can be used any time after viability
- Internal fetal monitoring: Use of an internal fetal scalp electrode which is attached
directly to the fetus, and can be paired with an intrauterine pressure catheter to get a
more accurate assessment of FHR and contraction strength; requires membranes to be
ruptured
Question:
What are some contraindications for internal fetal monitoring?
Answer:
chorioamnionitis
active maternal genital herpes
HIV
,positive GBS test
placental previa/undiagnosed vaginal bleeding
Question:
What qualifies an acceleration in FHR?
Answer:
15 beat per minute increase for 15 or more seconds
Question:
What qualifies a deceleration in FHR?
Answer:
15 beat per minute decrease for 15 seconds or more
Question:
What are the requirements of a category 1 fetal heart strip?
Answer:
Baseline: 110-160 bpm
Variability: moderate (6-25 beat change within 1 box)
Decelerations: can be absent or early
Accelerations: absent or present
Question:
What are the requirements for a category 3 fetal heart strip?
Answer:
Variability: absent variability (no change in heart rate) accompanied by any of the
following findings
Baseline: less than 110 beats per minute (bradycardia) OR sinusoidal pattern
Decelerations: recurrent late decelterations (nadir of deceleration occurs at end of 50%
or more of contractions seen) OR recurrent variable decelerations (nadir occurs within 15
seconds of start of deceleration)
Question:
What are the requirements of a category 2 fetal heart strip?
, Answer:
Baseline: tachycardia, bradycardia without absent variability
Variability: minimal (1-5 bpm change in one 10 second box), marked (>25 bpm change in
one 10 second box), or absent (no bpm change) not accompanied by recurrent
decelerations
Decelerations: Recurrent variable decels with minimal or moderate variability, prolonged
decels (2-10 minutes), recurrent late decles with moderate variability, variable decels with
slow return to baseline, overshoots, or shoulders
Accelerations: absent after fetal stimulation
Question:
How is uterine activity interpreted in FHR monitoring?
Answer:
frequency
duration
intensity
resting tone
relaxation between contractions
Question:
What is indicated when a fetal heart strip has recurrent
variable decelerations? causes? treatment?
Answer:
- indication: umbilical cord compression
- causes: cord prolapse, nuchal cord, baby laying on cord
- treatment: assess for cord prolapse (if found elevate presenting part and rush for c/s),
reposition mom, administer amnioinfusion (cushion the cord), stop oxytocin, administer
oxygen (10L/min face mask), have mom push every other contraction, every third
compression, or temporarily stop pushing
Question:
What is indicated when a fetal heart strip has recurrent early
decelerations? treatment?
Answer:
Questions with 100% Verified Answers
Question:
According to the AWHONN, how often should you assess
FHR?
Answer:
Low risk without oxytocin fetal status assessment:
- stage 1= 15-30 minutes once 4-5 cm dilated
- stage 2= 5-15 minutes
Low risk without oxytocin electronic FHR monitoring:
- stage 1: every 30 minutes once 4-5 cm dilated
- stage 2: every 30 minutes up until active pushing then every 15 minutes
Low risk with oxytocin electronic FHR monitoring:
- stage 1: every 15 minutes
- stage 2: every 15 minutes up until active pushing then every 5 minutes
Question:
What is the difference between electronic fetal monitoring
and internal fetal monitoring?
Answer:
- Electronic: Use of the toco and FHR doppler to essentially perform an NST; external
and non-invasive devices that can be used any time after viability
- Internal fetal monitoring: Use of an internal fetal scalp electrode which is attached
directly to the fetus, and can be paired with an intrauterine pressure catheter to get a
more accurate assessment of FHR and contraction strength; requires membranes to be
ruptured
Question:
What are some contraindications for internal fetal monitoring?
Answer:
chorioamnionitis
active maternal genital herpes
HIV
,positive GBS test
placental previa/undiagnosed vaginal bleeding
Question:
What qualifies an acceleration in FHR?
Answer:
15 beat per minute increase for 15 or more seconds
Question:
What qualifies a deceleration in FHR?
Answer:
15 beat per minute decrease for 15 seconds or more
Question:
What are the requirements of a category 1 fetal heart strip?
Answer:
Baseline: 110-160 bpm
Variability: moderate (6-25 beat change within 1 box)
Decelerations: can be absent or early
Accelerations: absent or present
Question:
What are the requirements for a category 3 fetal heart strip?
Answer:
Variability: absent variability (no change in heart rate) accompanied by any of the
following findings
Baseline: less than 110 beats per minute (bradycardia) OR sinusoidal pattern
Decelerations: recurrent late decelterations (nadir of deceleration occurs at end of 50%
or more of contractions seen) OR recurrent variable decelerations (nadir occurs within 15
seconds of start of deceleration)
Question:
What are the requirements of a category 2 fetal heart strip?
, Answer:
Baseline: tachycardia, bradycardia without absent variability
Variability: minimal (1-5 bpm change in one 10 second box), marked (>25 bpm change in
one 10 second box), or absent (no bpm change) not accompanied by recurrent
decelerations
Decelerations: Recurrent variable decels with minimal or moderate variability, prolonged
decels (2-10 minutes), recurrent late decles with moderate variability, variable decels with
slow return to baseline, overshoots, or shoulders
Accelerations: absent after fetal stimulation
Question:
How is uterine activity interpreted in FHR monitoring?
Answer:
frequency
duration
intensity
resting tone
relaxation between contractions
Question:
What is indicated when a fetal heart strip has recurrent
variable decelerations? causes? treatment?
Answer:
- indication: umbilical cord compression
- causes: cord prolapse, nuchal cord, baby laying on cord
- treatment: assess for cord prolapse (if found elevate presenting part and rush for c/s),
reposition mom, administer amnioinfusion (cushion the cord), stop oxytocin, administer
oxygen (10L/min face mask), have mom push every other contraction, every third
compression, or temporarily stop pushing
Question:
What is indicated when a fetal heart strip has recurrent early
decelerations? treatment?
Answer:
