The slight overlapping of cranial bones or shaping of the fetal head during labor is called:
Valsalva maneuver.
Ferguson’s reflex.
Lightening.
Molding.
The Correct Answer is D
Choice A rationale
Valsalva maneuver involves forced expiration against a closed airway, increasing intrathoracic pressure and commonly used to expel the fetus during the second stage of labor.
Choice B rationale
Ferguson’s reflex involves the release of oxytocin due to vaginal and cervical stretching, leading to stronger contractions during the second stage of labor.
Choice C rationale
Lightening refers to the descent of the fetus into the pelvis before labor begins, reducing pressure on the diaphragm and making breathing easier.
Choice D rationale
Molding is the slight overlapping of cranial bones, allowing the fetal head to change shape and fit through the birth canal during labor.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
Choice A rationale
Uterine contractions (powers) are essential for cervical dilation and fetal descent. They are involuntary smooth muscle contractions regulated by oxytocin and prostaglandins.
Choice B rationale
The fetus (passenger) significantly influences labor progression. Fetal size, position, and presentation affect the ease of passage through the birth canal.
Choice C rationale
Pressure is not considered one of the five Ps affecting labor and birth. The five Ps are powers, passenger, passageway, position, and psychological response.
Choice D rationale
The birth canal (passageway) includes the bony pelvis and soft tissues, which must adapt to allow the fetus to pass through during labor.
Correct Answer is B
Explanation
Choice A rationale
Contractions spaced 5 to 20 minutes apart can indicate early labor, but regular and intense contractions closer together suggest active labor. This does not indicate imminent hospital visit.
Choice B rationale
Regular contractions lasting about a minute and causing inability to talk through them are strong indicators of active labor, suggesting the need for hospital evaluation.
Choice C rationale
Seeing a pink discharge (bloody show) indicates the cervix is starting to dilate but does not necessarily mean active labor is present. It's not the most immediate sign to proceed to hospital.
Choice D rationale
Cramping for 4 hours can be a sign of early labor, but it lacks the regularity and intensity of active labor contractions. This does not suggest an immediate need for hospital visit.
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