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.

Uterine resting tone and hypertonus.

Duration of contractions only.

Answer and Explanation

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.

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Correct Answer is A

Explanation

Choice A rationale
Meconium is produced by the fetal intestines. The intestines start to form meconium around the 16th week of gestation. Meconium is composed of shed cells, mucus, amniotic fluid, bile, and lanugo.
Choice B rationale
The placenta does not produce meconium. Its primary functions include nutrient transfer, gas exchange, and waste elimination, but it does not have the structures necessary for the production of meconium.
Choice C rationale
Amniotic fluid does not produce meconium. Amniotic fluid surrounds and protects the fetus but does not contain the components needed to create meconium. Instead, the fetus swallows and then excretes it into the intestines.
Choice D rationale
Fetal kidneys are responsible for filtering waste and producing urine, but they do not produce meconium. The production of meconium is a function of the intestines, not the kidneys.

A. The placenta is able to keep out most potentially harmful substances. B. As one of its early functions, the placenta acts as an endocrine gland. C. As the placenta widens, it gradually thins to allow easier passage of air and nutrients. D. Optimal blood circulation is achieved through the placenta during pregnancy.

Correct Answer is B

Explanation

Choice A rationale
Although the placenta acts as a partial barrier, it does not keep out all harmful substances, allowing some to cross and affect fetal development.
Choice B rationale
One of the placenta's early functions is producing hormones like human chorionic gonadotropin (hCG), estrogen, and progesterone, making it act as an endocrine gland.
Choice C rationale
The placenta does not thin out; it remains robust and increases in thickness to support the growing fetus and facilitate nutrient and gas exchange.
Choice D rationale
While optimal blood circulation through the placenta is crucial, this statement lacks detail on the specific structural and functional aspects of the placenta.

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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:

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Naxlex Comprehensive Predictor Exams

The nurse caring for the laboring woman should know that meconium is produced by:

Correct Answer is A

Explanation

As relates to the structure and function of the placenta, the nurse should be aware that.

Correct Answer is B

Explanation

Which factor would alert the nurse that a pregnant woman is at risk for the development of toxoplasmosis?

The fetal monitor tracing shown is associated with:

The nurse teaches a pregnant woman about the presumptive, probable, and positive signs of pregnancy. The woman demonstrates understanding of the nurse’s instructions if she states that a positive sign of pregnancy is:

Pitocin is used for which of the following reasons in the L&D unit: (Select all that apply)

Which of the following findings on fetal monitor tracing would be of most concern to the nurse?

The nurse is aware that labor and birth will most likely proceed normally when the fetal position is:

The slight overlapping of cranial bones or shaping of the fetal head during labor is called:

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: