Correct Answer: C

Rationale: Sore nipples with cracks and fissures should be reported to the provider as this can indicate improper breastfeeding techniques or infection, which requires medical evaluation and intervention to prevent further complications such as mastitis or decreased milk supply. Scant, non-odorous white vaginal discharge is a normal finding postpartum. Uterine cramping during breastfeeding is also common due to oxytocin release. Decreased response with sexual activity may be expected at 4 weeks postpartum due to hormonal changes and fatigue, but it is not typically a concern that needs immediate medical attention.

Correct Answer: B

Rationale: The regression in toilet training is a common adverse sibling response to the birth of a new baby. When a new sibling arrives, the older child may revert to behaviors from an earlier stage, such as bedwetting, to gain attention or cope with feelings of insecurity. This behavior is temporary and often resolves with time and reassurance. Recommending counseling or preschool at this point would be premature and not addressing the underlying cause of the behavior.

Correct Answer: B

Rationale: Terbutaline is a tocolytic medication that works by relaxing the uterine muscles, leading to weakened uterine contractions. This effect helps to prevent preterm labor. Therefore, the nurse should expect weakened uterine contractions in a client who has received terbutaline at 28 weeks of gestation. Choices A, C, and D are incorrect. Terbutaline administration would not directly affect the fetal heart rate, enhance fetal lung surfactant production, or cause maternal hypoglycemia.

Correct Answer: C

Rationale: Tilting the bottle to prevent air from entering as the baby sucks can lead to the baby swallowing air, causing discomfort and potential issues like colic or gas. The correct way to bottle-feed a newborn is by ensuring that the nipple is always filled with milk to avoid air intake, which can lead to problems. Keeping the baby's head elevated while feeding helps prevent choking, allowing the baby to burp several times during each feeding helps release swallowed air, and soft, formed yellow stools indicate a healthy digestion process in newborns.

Correct Answer: B

Rationale: The correct answer is B because the client needs a second varicella vaccination at the postpartum visit to ensure immunity. Option A is incorrect as it implies a future need for a second vaccination without a clear action plan. Option C is incorrect as the varicella vaccine is primarily for the client's protection, not others. Option D is not the appropriate action as waiting to be tested for immunity delays the necessary second vaccination.