At 5 minutes after birth, a nurse assesses an infant and notes a heart rate of 110 beats per minute, good flexion of extremities, a weak cry, a pink trunk with blue extremities, and good response to stimulation.

The nurse calculates an APGAR score of:

Choice A rationale

A hemorrhoid is a swollen, inflamed vein in the rectum or anus, which can cause pain and pressure, especially after the strenuous process of childbirth and pushing. While possible, the combination of increasing perineal pain, rectal pressure, and inability to void following a forceps delivery and a third-degree laceration is more indicative of a deeper tissue injury or collection of blood than an external or internal hemorrhoid alone.

Choice B rationale

A bladder infection, or cystitis, typically presents with symptoms such as dysuria (painful urination), urgency, frequency, and sometimes hematuria, often appearing later in the postpartum course. While urinary retention is a risk after birth trauma, an infection is less likely to be the immediate cause of acute, rapidly increasing rectal pressure and severe perineal pain just three hours after delivery.

Choice C rationale

Uterine atony is the failure of the uterus to contract sufficiently after childbirth, which is the most common cause of postpartum hemorrhage. The assessment states the fundus is firm and the lochia is moderate without clots, which rules out significant uterine atony as the primary issue causing the localized, intense perineal and rectal discomfort.

Choice D rationale

A vaginal or vulvar hematoma is a collection of blood in the connective tissue, often resulting from trauma during delivery, especially with forceps, episiotomy, and deep lacerations. Its rapid expansion causes severe, unremitting, localized pain, rectal pressure (from mass effect), and can lead to urinary retention by distorting the urethra, which perfectly aligns with the patient's acute symptoms. —.

Choice A rationale

Mastitis is an infection of the breast tissue, commonly presenting with localized pain, redness (erythema), warmth, swelling, and a fever. While cracked nipples can be an entry point for the bacteria causing mastitis, the primary and immediate cause of cracked and bleeding nipples is typically a mechanical injury from improper suction and friction, not the infection itself.

Choice B rationale

The most common mechanical cause of sore, cracked, or bleeding nipples is inadequate positioning or a poor latch. A shallow latch causes the nipple to rub against the roof of the baby's mouth instead of deep in the pharynx, leading to excessive friction and trauma. Correcting the latch ensures the nipple is positioned past the gum line, minimizing friction and allowing the nipple to rest comfortably.

Choice C rationale

Some initial nipple tenderness can be common in the first few days as the skin adjusts to the suction and moisture of breastfeeding. However, cracked and bleeding nipples are a sign of significant tissue trauma, indicating an incorrect technique, which is not considered normal or expected irritation, and requires prompt correction to prevent further damage and potential secondary infection.

Choice D rationale

Infrequent breastfeeding sessions primarily lead to engorgement or milk stasis, which can increase the risk of mastitis. While an engorged breast can make latching difficult, the direct cause of the cracked nipple trauma is the mechanical stress from the baby's mouth, regardless of the frequency. Frequent, correct breastfeeding is essential for successful lactation. —.