NU 335 EXAM 2 HIGHLIGHTED POINTS
QUESTIONS AND ANSWERS WITH
COMPLETE SOLUTIONS ALREADY
PASSED!!!
Question 1
What specific maternal and anatomical complications can occur if a laboring
patient begins active pushing efforts before the cervix has achieved complete 10
cm dilation and effacement?
✔✔ Premature pushing before full dilation can cause severe mechanical stress
on the cervix, leading to:
Cervical Edema: The cervix becomes trapped and swollen between the
fetal presenting part and the maternal pubic bone, which can completely stall
labor progress.
Cervical Tearing / Lacerations: Structural ripping of the cervical tissue,
which can cause severe, hidden maternal hemorrhaging.
Tissue Bruising: Focal trauma to the cervix and lower uterine segment.
Maternal Exhaustion: The patient expends vital physical energy
prematurely, leaving them fatigued before the actual second stage of labor
begins.
Question 2
What specific muscular, neurological, and structural alterations characterize the
physiological changes that occur within the maternal pelvis and cervix during
active labor?
✔✔ The primary physiological changes include:
Pelvic Floor Musculature Changes: The levator ani muscle and the
surrounding deep pelvic fascia undergo marked stretching and adjustment.
With each uterine contraction, these structures act mechanically to draw both
the rectum and the vagina upward and forward out of the path of the
descending fetus.
, Physiological Anesthesia: As the fetal head descends deeply into the pelvic
basin, it exerts profound, continuous pressure against the surrounding pelvic
tissues. This intense pressure temporarily constricts local blood vessels,
decreasing the blood supply to the perineal area and creating a natural,
localized numbing effect.
Anal Eversion: The physical pressure and downward displacement caused
by the descending fetal head naturally causes the maternal anus to evert (turn
outward) during the second stage of labor.
Cervical Dilation: The cervical canal and internal/external os widen
progressively from a closed state to a maximum diameter of approximately
10 cm allowing for the passage of the fetal head.
Question 3
Before active labor officially begins, the maternal body undergoes distinct
physiological adaptations. What are the primary premonitory (warning) signs of
impending labor, and how does each manifest?
✔✔ The classic premonitory signs of labor include:
Lightening:
o Mechanism: The fetal presenting part settles downward into the
maternal pelvic inlet.
o Clinical Sign: The mother will notice that the uterine fundus no longer
presses tightly against her diaphragm, making it significantly easier to
breathe, though it often increases pelvic and urinary bladder pressure.
Braxton Hicks Contractions:
o Mechanism: Irregular, intermittent, and non-productive contractions
that do not cause cervical change.
o Clinical Sign: The client feels a tight "drawing" or pulling sensation
across the abdomen. These are often referred to as "false labor."
Cervical Ripening:
o Mechanism: Hormonal shifts (primarily driven by prostaglandins)
cause the collagen fibers of the cervix to break down and realign.
QUESTIONS AND ANSWERS WITH
COMPLETE SOLUTIONS ALREADY
PASSED!!!
Question 1
What specific maternal and anatomical complications can occur if a laboring
patient begins active pushing efforts before the cervix has achieved complete 10
cm dilation and effacement?
✔✔ Premature pushing before full dilation can cause severe mechanical stress
on the cervix, leading to:
Cervical Edema: The cervix becomes trapped and swollen between the
fetal presenting part and the maternal pubic bone, which can completely stall
labor progress.
Cervical Tearing / Lacerations: Structural ripping of the cervical tissue,
which can cause severe, hidden maternal hemorrhaging.
Tissue Bruising: Focal trauma to the cervix and lower uterine segment.
Maternal Exhaustion: The patient expends vital physical energy
prematurely, leaving them fatigued before the actual second stage of labor
begins.
Question 2
What specific muscular, neurological, and structural alterations characterize the
physiological changes that occur within the maternal pelvis and cervix during
active labor?
✔✔ The primary physiological changes include:
Pelvic Floor Musculature Changes: The levator ani muscle and the
surrounding deep pelvic fascia undergo marked stretching and adjustment.
With each uterine contraction, these structures act mechanically to draw both
the rectum and the vagina upward and forward out of the path of the
descending fetus.
, Physiological Anesthesia: As the fetal head descends deeply into the pelvic
basin, it exerts profound, continuous pressure against the surrounding pelvic
tissues. This intense pressure temporarily constricts local blood vessels,
decreasing the blood supply to the perineal area and creating a natural,
localized numbing effect.
Anal Eversion: The physical pressure and downward displacement caused
by the descending fetal head naturally causes the maternal anus to evert (turn
outward) during the second stage of labor.
Cervical Dilation: The cervical canal and internal/external os widen
progressively from a closed state to a maximum diameter of approximately
10 cm allowing for the passage of the fetal head.
Question 3
Before active labor officially begins, the maternal body undergoes distinct
physiological adaptations. What are the primary premonitory (warning) signs of
impending labor, and how does each manifest?
✔✔ The classic premonitory signs of labor include:
Lightening:
o Mechanism: The fetal presenting part settles downward into the
maternal pelvic inlet.
o Clinical Sign: The mother will notice that the uterine fundus no longer
presses tightly against her diaphragm, making it significantly easier to
breathe, though it often increases pelvic and urinary bladder pressure.
Braxton Hicks Contractions:
o Mechanism: Irregular, intermittent, and non-productive contractions
that do not cause cervical change.
o Clinical Sign: The client feels a tight "drawing" or pulling sensation
across the abdomen. These are often referred to as "false labor."
Cervical Ripening:
o Mechanism: Hormonal shifts (primarily driven by prostaglandins)
cause the collagen fibers of the cervix to break down and realign.
