Nursing 106 Module C-Intrapartum Review Questions and Correct Answers
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Course
NUR 106
Institution
NUR 106
Labor begins.... At giving birth and ends with the expulsion of the placenta
Factors that Appear to have a Role in Starting Normal Labor *Progesterone withdrawal *Increase release of prostaglandins *Increase secretion of natural oxytocin *Increased oxytocin receptors in the uterus *Increased stret...
Nursing 106 Module C-Intrapartum
Review Questions and Correct Answers
Labor begins.... ✅At giving birth and ends with the expulsion of the placenta
Factors that Appear to have a Role in Starting Normal Labor ✅*Progesterone
withdrawal
*Increase release of prostaglandins
*Increase secretion of natural oxytocin
*Increased oxytocin receptors in the uterus
*Increased stretching and pressure of the uterus and cervix
Normal Labor Premonitory Signs ✅*Constant low, dull backache, caused by pelvic
muscle relaxation
*Braxton Hicks contractions become more noticeable, painful, and spontaneously
increase/decrease in frequency
*Lightening
*Increased vaginal mucus secretion
*Rupture of membranes (ROM)
*Cervical changes——softening (called ripening allows the cervix to yield more easily to
the force of labor contractions) effacement and dilation; expulsion of the mucous plug
*Energy spurt "nesting" and weight loss
True Labor ✅*Increased Contractions
*Increased discomfort
*Contractions in this stage cause PROGRESSIVE EFFACEMENT AND DILATION OF
THE CERVIX
False Labor ✅*Contractions inconsistent
*Discomfort is more annoying than truly painful
*Cervix does not change
What do some women experience on the First Sign of Onset Labor? ✅Membrane
Rupture
Characteristics of Contractions ✅*Coordinated
*Involuntary
*Intermittent-relaxation period for the uterine muscle and resumption of blood flow to
and from the placenta
*Increment-period of increasing strength
*Decrement-period of decreasing intensity as the uterus relaxes
Reproductive System Cervical Changes ✅*Effacement
, *Dilation (opens)
*Effacement and dilation occurs concurrently but at different rates
*Nullipara
*Parous-woman who has given birth after a pregnancy of at least 20 wks gestation
Maternal Cardiovascular System ✅*Blood flow to the placenta decreases during a
contraction
*Increase in blood volume by 30-40%
*Temporary increase in BP (vital signs assessed between contractions)
*Supine Hypotension may occur if lying on back
Maternal Respiratory System ✅*Increase depth and rate of respirations
*Hyperventilation (rapid deep breathing w/ tingling in the hands and feet, numbness,
and dizziness
*The nurse should help her slow her breathing and breathe into a paper bag or her
cupped hands to restore normal blood levels of carbon dioxide and relieve these
symptoms
Maternal Gastrointestinal System ✅*Decreased gastric mobility
*Most women are not hungry but are thirsty and have dry mouth (ice chips and other
small clear liquids)
*NO SOLID FOOD—prevents aspiration and vomiting
Maternal Urinary System ✅*Reduced sensation of full bladder
*Full bladder can inhibit fetal descent—occupying space in the pelvis
Four P's of Labor ✅Powers
Passage
Passenger
Psyche
Powers ✅*Uterine contractions
*Maternal pushing efforts—feeling the need to push
Passage ✅*The bony pelvis
*The linea terminalis (pelvic brim) divides the bony pelvis
Passenger ✅*The fetus, membranes and placenta
*Components are:
1. Fetal head
2. Fetal lie
3. Attitude—relationship of fetal body parts to one another
4. Presentation—fetal part that first enters the pelvis is termed the presenting part
5. Position
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