At 5 days postpartum, a woman who gave birth to a healthy infant boy is being assessed by the nurse.
What type of lochia would the nurse expect to find when assessing this woman?

Lochia rubra.

Lochia serosa.

Lochia alba.

Lochia sangra.

Answer and Explanation

The Correct Answer is B

Choice A rationale

Lochia rubra is the initial vaginal discharge after childbirth, consisting mainly of blood, decidual tissue, and trophoblastic debris. It is characterized by a bright red color and typically lasts for the first 1 to 3 days following delivery. Finding lochia rubra at 5 days postpartum would be considered an abnormal finding, suggesting that the placental site is not healing properly or that there may be retained products of conception.

Choice B rationale

Lochia serosa is the second stage of postpartum vaginal discharge, occurring roughly from day 4 to day 10 after birth. It is composed of serous exudate, erythrocytes, leukocytes, and cervical mucus, giving it a characteristic pinkish-brown or serosanguinous appearance. At 5 days postpartum, the uterus is continuing its involution process and the transition from rubra to serosa is the expected physiological progression for a woman recovering from a healthy delivery.

Choice C rationale

Lochia alba is the final stage of lochial discharge, beginning around 10 to 14 days postpartum and potentially lasting for several weeks. It consists mostly of leukocytes, epithelial cells, cholesterol, fat, and mucus, resulting in a creamy white or yellowish-white color. Because this patient is only at 5 days postpartum, it is too early in the healing process for the discharge to have transitioned to the alba stage.

Choice D rationale

Lochia sangra is not a standard medical term used to describe the stages of postpartum vaginal discharge. The recognized clinical sequence is lochia rubra, followed by lochia serosa, and finally lochia alba. Using non-standard terminology can lead to confusion in clinical documentation and communication among the healthcare team. The nurse should use the established stages to accurately reflect the patient's physiological status during the postpartum assessment.

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Correct Answer is A

Explanation

Choice A rationale

Acrocyanosis refers to the bluish discoloration of the hands and feet frequently observed in newborns during the first 24 to 48 hours of life. This is a normal vasomotor response caused by peripheral vasoconstriction and capillary stasis as the infant's circulatory system adapts to extrauterine life. It is not an indicator of systemic hypoxia as long as the trunk and mucous membranes remain pink. Normal oxygen saturation levels are typically maintained during this state.

Choice B rationale

Erythema neonatorum, also known as erythema toxicum or newborn rash, is a common, benign skin condition characterized by small white or yellow papules on an erythematous base. It often appears within the first few days of life and resolves spontaneously. This condition is inflammatory or allergic in nature rather than vascular. It does not cause the bluish tint described by the mother, which is strictly related to the distribution of oxygenated blood.

Choice C rationale

Harlequin color change is a distinct phenomenon where one half of the newborn's body appears deep red while the other half remains pale. This occurs due to temporary autonomic vasomotor instability and is usually seen when the infant is lying on one side. While it is a vascular response, it is characterized by a midline demarcation and color shift rather than the localized peripheral blueness of the extremities seen in common acrocyanosis.

Choice D rationale

Vernix caseosa is a white, cheese-like substance that coats the skin of the fetus in utero, serving as a protective barrier against amniotic fluid and providing antimicrobial properties. It is a sebaceous secretion and consists of shed epithelial cells. Vernix is a textural and topical coating on the skin and does not involve the circulatory or oxygenation status of the newborn, nor does it cause any form of blue or cyanotic skin discoloration.

A. Cold stress, which increases oxygen consumption and depletes glucose stores. B. Vasoconstriction, which only affects the skin. C. Tachycardia, which resolves on its own. D. Respiratory depression, which is not clinically significant.

Correct Answer is A

Explanation

Choice A rationale

Newborns possess a high surface-area-to-volume ratio and limited subcutaneous fat, making them highly susceptible to rapid heat loss. Cold stress triggers non-shivering thermogenesis, where the infant metabolizes brown adipose tissue. This metabolic process significantly increases oxygen consumption and accelerates the utilization of glucose. If prolonged, this leads to hypoxia, metabolic acidosis, and hypoglycemia. Normal axillary temperature for a newborn ranges from 36.5 degrees Celsius to 37.5 degrees Celsius. Maintaining the thermoneutral zone prevents these complications.

Choice B rationale

While peripheral vasoconstriction is a physiological response to cold, it is not an isolated skin event. It represents a systemic attempt to shunt blood toward vital organs to preserve core temperature. However, persistent vasoconstriction in a neonate can lead to decreased peripheral perfusion and may eventually contribute to pulmonary vasoconstriction. This can revert the infant to fetal circulation patterns, such as a patent ductus arteriosus, which complicates respiratory and cardiovascular stability beyond mere skin changes.

Choice C rationale

Tachycardia is an initial compensatory response to the metabolic demands of cold stress, but it is not a benign or self-resolving issue in this context. The increased heart rate reflects the infant's struggle to circulate oxygenated blood to tissues that are working harder to generate heat. If the underlying hypothermia is not corrected, the infant will eventually become exhausted, leading to bradycardia, decreased cardiac output, and potential cardiovascular collapse as energy and oxygen stores are completely depleted.

Choice D rationale

Respiratory depression is a very significant clinical finding in a newborn and is often a late sign of severe cold stress. As the infant's oxygen demands exceed their ability to ventilate, and as metabolic acidosis develops from brown fat metabolism, the respiratory drive may eventually fail. Labeling respiratory changes as insignificant ignores the reality that cold stress is a leading cause of respiratory distress syndrome and can necessitate intensive care interventions to prevent neonatal mortality.

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At 5 days postpartum, a woman who gave birth to a healthy infant boy is being assessed by the nurse. What type of lochia would the nurse expect to find when assessing this woman?

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Correct Answer is A

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At 5 days postpartum, a woman who gave birth to a healthy infant boy is being assessed by the nurse.
What type of lochia would the nurse expect to find when assessing this woman?