The nurse places a Toco (tocodynamometer) on a client admitted in early labor.
The nurse explains to the client that this device provides an accurate assessment of which of the following:
Frequency and intensity of contractions.
Frequency and intensity of contractions.
Uterine resting tone and hypertonus.
Duration of contractions only.
The Correct Answer is A
Choice A rationale
The tocodynamometer detects both the frequency and intensity of uterine contractions by measuring the pressure changes on the abdomen. It provides real-time data on contraction patterns during labor.
Choice B rationale
Repeating the frequency and intensity of contractions is redundant. The tocodynamometer accurately measures these parameters, providing essential information for managing labor progress.
Choice C rationale
While the tocodynamometer can infer uterine resting tone, it is not designed to measure hypertonus directly. Other methods, like intrauterine pressure catheters, offer more accurate assessments of uterine tone.
Choice D rationale
The tocodynamometer measures the duration of contractions, but it does not solely focus on this parameter. It captures comprehensive data, including frequency and intensity, for effective labor management.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
Choice A rationale
Effacement and dilation of the cervix are key indicators of true labor. Effacement refers to the thinning of the cervix, and dilation is the opening. True labor leads to progressive changes in the cervix.
Choice B rationale
Rupture of membranes can occur before, during, or after true labor. While it can be associated with labor, it alone does not confirm true labor as cervical changes do.
Choice C rationale
The number of pregnancies (parity) does not determine true labor. True labor is characterized by progressive cervical changes, not by the client's obstetric history.
Choice D rationale
The intensity of contractions alone does not confirm true labor. True labor is marked by regular, progressively stronger contractions leading to cervical effacement and dilation.
Correct Answer is C
Explanation
Choice A rationale
Paceritation is a term not commonly recognized in obstetrics. It lacks clinical relevance and does not correlate with increased risk during labor when membranes rupture.
Choice B rationale
Shoulder dystocia occurs during delivery when the baby's shoulder gets stuck after the head is delivered. It is unrelated to ruptured membranes and does not increase the associated risk.
Choice C rationale
Infection risk increases significantly after membranes rupture due to potential bacterial entry into the uterine cavity. Normal WBC count is 4,000-11,000 cells/mcL.
Choice D rationale
Meconium aspiration occurs when the newborn inhales meconium-stained amniotic fluid, typically in post-term pregnancies or fetal distress. It is not directly linked to ruptured membranes.
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