A. Onset time to the nadir of the deceleration
B. The # of decels that occur
C. Timing in relation to contractions - ANSWER C. Timing in relation to ctx
The underlying cause of early decelerations is decreased
A. Baroreceptors response
B. Increased peripheral resistance
C. Vagal reflex - ANSWER
Betamethasone can increase or decrease FHr - ANSWER Decrease
Following an ultrasound which revealed decreased amniotic fluid, a woman at term is admit-
ted in early labor. It should be recognized that oligohydramnios often results in FHR decels
that are
A. Late in onset or occur after peak of contraction
B. Synchronous with that of contractions
C. Varied in depth and duration - ANSWER C. Varied in depth and duration
What do respiratory acidosis and metabolic acidosis have in common? - ANSWER Low pH
Doppler technology use sounds waves to reflect
A. Electric waves
B. Movement
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, C. Sound - ANSWER B. Movement - Doppler technology uses sound waves to reflect off of
anything that moves
Doppler sounds can be deterred by
A. Poly
B. Maternal positioning - ANSWER Poly - May scatter sound waves
BPP...if it decreases what is the last item remaining?
A. breathing
B. Movement
C. Tone - ANSWER C. Tone (BPP behaviors disappear in the reverse order in which they
appeared)
Fetal tone is the first to develop 7.5-8 weeks
Fetal movement begins at 9 weeks - 3rd to disappear
Fetal breathing becomes regular at 20-21 weeks - 2nd to disappear
Reactivity happens at the end of 2nd beginning of 3rd trimester - first to disappear
If AMniotic fluid listed as Choice it would be the last to go away. Amniotic fluid decreases as
a compensatory mechanism due to shunting
What is the function of intervillous space? - ANSWER Ensuring fetal reserve
What do moderate variability or accels predict? - ANSWER Reliably predict a well oxygen-
ated fetus
Betamethasone causes the HR to
A. No change
B. Increase
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