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Chapter 16: Giving Birth Practice Questions With 100% ALL SURE ANSWERS
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JACKLINEChapter 16: Giving Birth Practice Questions With 100% ALL SURE ANSWERS
Terms in this set (41)
ANS: C
The maternity nurse understands that as the uterus
contracts during labor, maternal-fetal exchange of
oxygen and waste products
Feedback
a. Continues except when placental functions are
A The maternal blood supply to the placenta gradually stops with contractions.
reduced
B The exchange of oxygen and waste products decreases.
b. Increases as blood pressure decreases
C During labor contractions, the maternal blood supply to the placenta gradually stops as the
c. Diminishes as the spiral arteries are compressed
spiral arteries supplying the intervillous space are compressed by the contracting uterine muscle.
d. Is not significantly affected
D The exchange of oxygen and waste products is affected by contractions.
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ANS: B
Which statement is the best rationale for assessing
maternal vital signs between contractions?
a. During a contraction, assessing fetal heart rates
Feedback
is the priority.
A It is important to monitor fetal response to contractions, but the question is concerned with the
b. Maternal circulating blood volume increases
maternal vital signs.
temporarily during contractions.
B During uterine contractions, blood flow to the placenta temporarily stops, causing a relative
c. Maternal blood flow to the heart is reduced
increase in the mother's blood volume, which in turn temporarily increases blood pressure and
during contractions.
slows pulse.
d. Vital signs taken during contractions are not
C Maternal blood flow is increased during a contraction.
accurate.
D Vital signs are altered by contractions but are considered accurate for that period of time.
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ANS: A
Which mechanism of labor occurs when the
Feedback
largest diameter of the fetal presenting part
A Engagement occurs when the presenting part fully enters the pelvic inlet.
passes the pelvic inlet?
B Extension occurs when the fetal head meets resistance from the tissues of the pelvic floor and
a. Engagement
the fetal neck stops under the symphysis. This causes the fetal head to extend.
b. Extension
C Internal rotation occurs when the fetus enters the pelvic inlet. The rotation allows the longest
c. Internal rotation
fetal head diameter to conform to the longest diameter of the maternal pelvis.
d. External rotation
D External rotation occurs after the birth of the head. The head then turns to the side so the
shoulders can internally rotate and are positioned with their transverse diameter in the
anteroposterior diameter of the pelvic outlet.
ANS: D
To adequately care for patients, the nurse
understands that labor contractions facilitate
cervical dilation by
Feedback
a. Contracting the lower uterine segment
A The contractions are stronger at the fundus.
b. Enlarging the internal size of the uterus
B The internal size becomes smaller with the contractions; this helps to push the fetus down.
c. Promoting blood flow to the cervix
C Blood flow decreases to the uterus during a contraction.
d. Pulling the cervix over the fetus and amniotic
D Effective uterine contractions pull the cervix upward at the same time that the fetus and
sac amniotic sac are pushed downward.
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