Correct Answer: C

Rationale: Pruritus is a common adverse effect of epidural anesthesia, often due to the opioids administered with the epidural. This can cause significant discomfort and may require treatment.

Correct Answer: D

Rationale: True labor is characterized by regular contractions that increase in intensity and frequency. These contractions result in cervical dilation and effacement, indicating the onset of labor.

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.

Correct Answer: A

Rationale: Encouraging the mother to breastfeed is appropriate, as breastfeeding can quickly raise blood glucose levels in newborns. A level of 45 mg/dL is often acceptable but should be monitored closely.

Correct Answer: B

Rationale: Measuring abdominal girth is important in monitoring for signs of abdominal distension, which is a key indicator of worsening necrotizing enterocolitis (NEC). Other interventions include withholding oral feedings and providing IV fluids or nutrition.