During a prenatal check-up, a nurse is discussing work and travel to a couple who are in their 8th week of pregnancy.
The nurse's best instruction to this couple would be:

While working or traveling in a car or on a plane, women should arrange to walk around at least every 2 hours or so.

Women should avoid seat belts and shoulder restraints in the car because they press on the fetus.

Metal detectors at airport security checkpoints can harm the fetus if the woman passes through them a number of times.

Women should sit for as long as possible and cross their legs at the knees from time to time for exercise.

Answer and Explanation

The Correct Answer is A

Choice A rationale

Pregnancy creates a hypercoagulable state due to increased coagulation factors and venous stasis from the enlarging uterus. Prolonged immobility during travel or work significantly raises the risk of deep vein thrombosis and pulmonary embolism. Walking every 2 hours promotes venous return by engaging the calf muscle pump, which helps prevent blood pooling in the lower extremities. This practice is essential for maintaining systemic circulation and ensuring optimal placental perfusion throughout the gestational period.

Choice B rationale

Safety restraints are mandatory for pregnant women to prevent maternal and fetal injury during motor vehicle accidents. The lap belt should be positioned low under the abdomen and across the bony pelvis, while the shoulder harness should be placed between the breasts. Research shows that maternal survival is the primary determinant of fetal survival in crashes. Avoiding seat belts increases the risk of ejection or blunt force trauma to the uterus during sudden deceleration.

Choice C rationale

Modern airport security metal detectors utilize low frequency electromagnetic fields to detect metallic objects. These devices do not use ionizing radiation, such as X-rays, which are known to be teratogenic in high doses. Extensive studies have confirmed that the non-ionizing energy emitted by metal detectors is safe for the developing fetus and does not cause chromosomal damage or developmental anomalies. Advanced imaging technology used at airports is also regulated to remain within safe limits.

Choice D rationale

Sitting for extended periods is contraindicated as it exacerbates venous congestion and increases the risk of edema and varicosities. Crossing the legs at the knees is particularly harmful because it further compresses the popliteal veins, obstructing blood flow and increasing the likelihood of thrombus formation. Pregnant women are encouraged to keep their legs uncrossed and to perform ankle pumps or frequent standing breaks to facilitate the movement of blood from the periphery back to the heart.

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Correct Answer is B

Explanation

Choice A rationale

Relying on the infant to fall asleep and for the jaws to relax naturally is inefficient and can lead to nipple trauma. If the infant remains latched while sleeping, the continued pressure and friction against the nipple tissue can cause skin breakdown or soreness. Infants often maintain a partial suction even while asleep, so waiting for complete relaxation does not guarantee a safe or pain-free release of the delicate mammary tissue.

Choice B rationale

Inserting a clean finger into the corner of the infant mouth effectively breaks the negative pressure vacuum created during active sucking. This mechanical intervention separates the infant gums and allows air to enter the oral cavity, which instantly neutralizes the suction force. By breaking this seal before pulling the breast away, the mother prevents mechanical stretching and friction-induced damage to the nipple and areola, ensuring a safe and comfortable end to the feeding session.

Choice C rationale

Eliciting the Moro reflex is an inappropriate and stressful method to end a feeding session. This startle reflex involves a sudden extension of the arms and legs, usually in response to a perceived fall or loud noise. Using this to wake an infant and induce crying causes unnecessary physiological stress and cortisol release in the newborn. It disrupts the bonding process and does not provide a controlled or gentle way to manage the suction of the breast.

Choice D rationale

A popping sound indicates that the vacuum was broken abruptly by pulling the nipple out of the infant mouth without first neutralizing the pressure. This sound is a sign of improper technique and suggests that the nipple was subjected to significant tensile force and friction. Repeatedly allowing this popping sound to occur increases the risk of nipple cracks, bruising, and severe pain, as the delicate skin is essentially snapped away from the infant oral seal.

A. The fetal head is in a persistent occiput posterior position. B. The woman's blood pressure is elevated at 148/92. C. Contractions are occurring every 7 minutes with mild intensity. D. The woman is extremely anxious and asking for her mother.

Correct Answer is B

Explanation

Choice A rationale

The five Ps framework includes Passenger, Passageway, Powers, Position, and Psychologic response. The fetal head position, specifically a persistent occiput posterior position, falls directly under the category of the Passenger. This refers to the fetus and its relationship to the maternal pelvis, including fetal presentation, lie, and attitude. Malpositions like occiput posterior can significantly slow labor progress because the larger diameter of the fetal head must navigate the pelvic bones, often leading to intense back labor.

Choice B rationale

Maternal blood pressure is a vital sign and a measure of cardiovascular stability, but it is not one of the five Ps of labor. While a blood pressure of 148/92 is elevated and requires clinical attention to rule out gestational hypertension or preeclampsia, it does not describe the mechanics or progress of labor itself. The five Ps are specifically designed to categorize factors that directly influence the birth process. Vital signs are part of the broader physical assessment rather than the labor framework.

Choice C rationale

The frequency and intensity of uterine contractions fall under the category of Powers. Primary powers refer to involuntary uterine contractions which are responsible for effacement and dilation of the cervix. In this case, contractions occurring every 7 minutes with mild intensity are a measure of the labor forces. If contractions are inadequate to produce cervical change, it represents a dysfunction in the powers, which is a key component of evaluating why a laboring woman might be progressing slowly.

Choice D rationale

The woman's anxiety and her request for her mother fall under the category of Psychologic response, which is the fifth P. A woman's emotional state, cultural background, and support system can significantly impact labor progress. High levels of anxiety can lead to increased catecholamine release, which can actually inhibit uterine activity and slow down labor. Therefore, assessing the mother's psyche and providing emotional support is a critical part of the five Ps framework used to evaluate laboring patients.

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During a prenatal check-up, a nurse is discussing work and travel to a couple who are in their 8th week of pregnancy. The nurse's best instruction to this couple would be:

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Before discharge from the hospital, a 20-year-old postpartum woman receives instructions about breastfeeding. The woman said that her baby boy has a good sucking reflex and that she has difficulty removing her breast from her baby's mouth. Which advice by the nurse is most appropriate?

Correct Answer is B

Explanation

A nurse is assessing a laboring woman whose labor is progressing slowly. Using the "five Ps" framework, the nurse evaluates multiple factors. Which assessment finding falls OUTSIDE the five Ps framework for labor?

Correct Answer is B

Explanation

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During a prenatal check-up, a nurse is discussing work and travel to a couple who are in their 8th week of pregnancy.
The nurse's best instruction to this couple would be: