Correct Answer: A

Rationale: Phototherapy is used to reduce bilirubin levels in newborns with jaundice. However, the intense light can cause damage to the newborn's corneas and retinas. The use of an eye mask protects the infant's eyes while allowing the therapy to proceed. Regular monitoring of the newborn's temperature and hydration status is also important, but the eye mask is a key protective measure.

Correct Answer: C

Rationale: The first action is to massage the client's fundus, as uterine atony is a common cause of postpartum hemorrhage, and this intervention can help stimulate uterine contraction and reduce bleeding.

Correct Answer: B

Rationale: Kegel exercises help strengthen the pelvic floor muscles, which can improve bladder control and reduce urinary incontinence. The nurse should instruct the client to practice these exercises regularly.

Correct Answer: B

Rationale: Magnesium sulfate can depress the central nervous system, leading to respiratory depression. A respiratory rate of 10 breaths per minute is below the normal range and requires immediate intervention.

Correct Answer: A

Rationale: Cold stress in newborns can lead to increased oxygen consumption and energy expenditure as the body tries to maintain its temperature. This can result in hypoglycemia and metabolic acidosis if not addressed. The use of a radiant warmer helps maintain the infant's body temperature, reducing the risk of cold stress and its complications.