Chapter 16: Giving Birth Practice Questions And Answers Rated A+ 2024.
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Chapter 16: Giving Birth Practice
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Chapter 16: Giving Birth Practice
Chapter 16: Giving Birth Practice Questions And Answers Rated A+ 2024.
The maternity nurse understands that as the uterus contracts during labor, maternal-fetal exchange of oxygen and waste products
a. Continues except when placental functions are reduced
b. Increases as blood pressure...
Chapter 16: Giving Birth Practice Questions
And Answers Rated A+ 2024.
The maternity nurse understands that as the uterus contracts during labor, maternal-
fetal exchange of oxygen and waste products
a. Continues except when placental functions are reduced
b. Increases as blood pressure decreases
c. Diminishes as the spiral arteries are compressed
d. Is not significantly affected - correct answer. ANS: C
Feedback
A The maternal blood supply to the placenta gradually stops with contractions.
B The exchange of oxygen and waste products decreases.
C During labor contractions, the maternal blood supply to the placenta gradually stops
as the spiral arteries supplying the intervillous space are compressed by the contracting
uterine muscle.
D The exchange of oxygen and waste products is affected by contractions.
Which statement is the best rationale for assessing maternal vital signs between
contractions?
a. During a contraction, assessing fetal heart rates is the priority.
b. Maternal circulating blood volume increases temporarily during contractions.
c. Maternal blood flow to the heart is reduced during contractions.
d. Vital signs taken during contractions are not accurate. - correct answer. ANS: B
Feedback
A It is important to monitor fetal response to contractions, but the question is concerned
with the maternal vital signs.
B During uterine contractions, blood flow to the placenta temporarily stops, causing a
relative increase in the mother's blood volume, which in turn temporarily increases blood
pressure and slows pulse.
C Maternal blood flow is increased during a contraction.
D Vital signs are altered by contractions but are considered accurate for that period of
time.
,Which mechanism of labor occurs when the largest diameter of the fetal presenting part
passes the pelvic inlet?
a. Engagement
b. Extension
c. Internal rotation
d. External rotation - correct answer. ANS: A
Feedback
A Engagement occurs when the presenting part fully enters the pelvic inlet.
B Extension occurs when the fetal head meets resistance from the tissues of the pelvic
floor and the fetal neck stops under the symphysis. This causes the fetal head to
extend.
C Internal rotation occurs when the fetus enters the pelvic inlet. The rotation allows the
longest fetal head diameter to conform to the longest diameter of the maternal pelvis.
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.
To adequately care for patients, the nurse understands that labor contractions facilitate
cervical dilation by
a. Contracting the lower uterine segment
b. Enlarging the internal size of the uterus
c. Promoting blood flow to the cervix
d. Pulling the cervix over the fetus and amniotic sac - correct answer. ANS: D
Feedback
A The contractions are stronger at the fundus.
B The internal size becomes smaller with the contractions; this helps to push the fetus
down.
C Blood flow decreases to the uterus during a contraction.
D Effective uterine contractions pull the cervix upward at the same time that the fetus
and amniotic sac are pushed downward.
It is important for the nurse providing care during labor to be aware that pregnant
women can usually tolerate the normal blood loss associated with childbirth because
they have
a. A higher hematocrit
b. Increased blood volume
c. A lower fibrinogen level
d. Increased leukocytes - correct answer. ANS: B
Feedback
, A The hematocrit decreases with pregnancy due to the high fluid volume.
B Women have a significant increase in blood volume during pregnancy. After delivery,
the additional circulating volume is no longer necessary.
C Fibrinogen levels increase with pregnancy.
D Leukocyte levels increase during labor, but that is not the reason for the toleration of
blood loss.
To assess the duration of labor contractions, the nurse determines the time
a. From the beginning of one contraction to the beginning of the next
b. From the beginning to the end of each contraction
c. Of the strongest intensity of each contraction
d. Of uterine relaxation between two contractions - correct answer. ANS: B
Feedback
A This is the frequency of the contractions.
B Duration of labor contractions is the average length of contractions from beginning to
end.
C This is the strength or intensity of the contractions.
D This is the interval of the contraction phase.
To adequately teach patients about the process of labor, the nurse knows that which
event is the best indicator of true labor?
a. Bloody show
b. Cervical dilation and effacement
c. Fetal descent into the pelvic inlet
d. Uterine contractions every 7 minutes - correct answer. ANS: B
Feedback
A Bloody show can occur before true labor.
B The conclusive distinction between true and false labor is that contractions of true
labor cause progressive change in the cervix.
C Fetal descent can occur before true labor.
D False labor may have contractions that occur this frequently, but it is usually
inconsistent.
Which factor ensures that the smallest anterior-posterior diameter of the fetal head
enters the pelvis?
a. Descent
b. Engagement
c. Flexion
d. Station - correct answer. ANS: C
Feedback
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