1|Page
NM 704 EXAM 1 NEWEST 2025/2026 ACTUAL EXAM WITH
COMPLETE QUESTIONS AND CORRECT DETAILED
ANSWERS (100% VERIFIED ANSWERS) |ALREADY GRADED
A+| ||PROFESSOR VERIFIED||
When does lightening normally occur? - ANSWER-As early as 4
weeks prior to the start of labor
What is the result of the lengthening of the muscle fibers at the
internal os, which stretch the endocervix upward into the lower
uterine segment? - ANSWER-Effacement
In nulliparous women, _______ typically proceeds dilation? -
ANSWER-Effacement
The passing of the mucus plug often indicates that labor will start
within when? - ANSWER-48 hours
What is the widening of the external os? - ANSWER-Dilation
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What are inhibitors of uterine contractions? - ANSWER-(1)
progesterone (2) prostacyclin (3) relaxin (4) nitric oxide (5) other
hormones
When are the inhibitors of uterine contractions present? -
ANSWER-Quiescence
What is the main characterization of the activation phase (1) of
partuition? - ANSWER-Loss of progesterone dominance
Where is the uterine muscle the thickest? - ANSWER-At the
fundus
What phase of parturition is the stimulation of uterine myometrial
activity? - ANSWER-Phase 2
What does the placenta release during phase 1 of partuition that
can help transition from progesterone to estrogen dominance? -
ANSWER-CRH
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What layer of muscle of the uterus do contractions originate from?
- ANSWER-Myometrium
What happens to the myometrium during the activation phase of
parturition? - ANSWER-Becomes more sensitive to labor
hormones
What happens to the myometrium during the activation phase of
parturition? - ANSWER-Regular contractions due to influence of
oxytocin and prostaglandings
What hormones predominate during the activation phase of
parturition? - ANSWER-(1) oxytocin (2) prostaglandins
Propagation of contractions wave of fundal dominance? -
ANSWER-(1) start in the fundus (2) last longer in the fundus (3)
progress from the fundus toward the isthmus
https://quizlet.com/305168123/nm704-exam-1-modules-1-3-flash-
cards/ - ANSWER-
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What are the 3 fetal presentations? - ANSWER-(1) cephalic (2)
breech (3) shoulder
What is fetal presentation determined by? - ANSWER-First
portion of the fetus to enter the pelvis
Flexion of the fetal head during labor results in what? - ANSWER-
Presentation of a smaller diameter
What is the untwisting of the neck after birth of the head? -
ANSWER-Restitution
What type of pelvis has a short anteroposterior diameter and a
wide transverse diameter? - ANSWER-Platypelloid
What are the positional changes the fetus undergoes to
accommodate itself to the maternal pelvis? - ANSWER-
Mechanisms of labor
NM 704 EXAM 1 NEWEST 2025/2026 ACTUAL EXAM WITH
COMPLETE QUESTIONS AND CORRECT DETAILED
ANSWERS (100% VERIFIED ANSWERS) |ALREADY GRADED
A+| ||PROFESSOR VERIFIED||
When does lightening normally occur? - ANSWER-As early as 4
weeks prior to the start of labor
What is the result of the lengthening of the muscle fibers at the
internal os, which stretch the endocervix upward into the lower
uterine segment? - ANSWER-Effacement
In nulliparous women, _______ typically proceeds dilation? -
ANSWER-Effacement
The passing of the mucus plug often indicates that labor will start
within when? - ANSWER-48 hours
What is the widening of the external os? - ANSWER-Dilation
,2|Page
What are inhibitors of uterine contractions? - ANSWER-(1)
progesterone (2) prostacyclin (3) relaxin (4) nitric oxide (5) other
hormones
When are the inhibitors of uterine contractions present? -
ANSWER-Quiescence
What is the main characterization of the activation phase (1) of
partuition? - ANSWER-Loss of progesterone dominance
Where is the uterine muscle the thickest? - ANSWER-At the
fundus
What phase of parturition is the stimulation of uterine myometrial
activity? - ANSWER-Phase 2
What does the placenta release during phase 1 of partuition that
can help transition from progesterone to estrogen dominance? -
ANSWER-CRH
,3|Page
What layer of muscle of the uterus do contractions originate from?
- ANSWER-Myometrium
What happens to the myometrium during the activation phase of
parturition? - ANSWER-Becomes more sensitive to labor
hormones
What happens to the myometrium during the activation phase of
parturition? - ANSWER-Regular contractions due to influence of
oxytocin and prostaglandings
What hormones predominate during the activation phase of
parturition? - ANSWER-(1) oxytocin (2) prostaglandins
Propagation of contractions wave of fundal dominance? -
ANSWER-(1) start in the fundus (2) last longer in the fundus (3)
progress from the fundus toward the isthmus
https://quizlet.com/305168123/nm704-exam-1-modules-1-3-flash-
cards/ - ANSWER-
, 4|Page
What are the 3 fetal presentations? - ANSWER-(1) cephalic (2)
breech (3) shoulder
What is fetal presentation determined by? - ANSWER-First
portion of the fetus to enter the pelvis
Flexion of the fetal head during labor results in what? - ANSWER-
Presentation of a smaller diameter
What is the untwisting of the neck after birth of the head? -
ANSWER-Restitution
What type of pelvis has a short anteroposterior diameter and a
wide transverse diameter? - ANSWER-Platypelloid
What are the positional changes the fetus undergoes to
accommodate itself to the maternal pelvis? - ANSWER-
Mechanisms of labor
