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: Eclampsia is a serious complication of pregnancy characterized by seizures. Hyperreflexia is often a precursor to eclampsia, and assessing for it can help predict and manage the condition before seizures occur.

Correct Answer: B

Rationale: The most common side effect of an epidural is hypotension, which can compromise placental perfusion. Monitoring the client's blood pressure is the priority to ensure maternal and fetal well-being.

Correct Answer: A

Rationale: Meperidine is an opioid analgesic that can cross the placenta and cause respiratory depression in the newborn. Naloxone is an opioid antagonist that is administered to reverse the effects of opioids. It is critical to have Naloxone available when opioids are administered during labor, especially close to delivery.

Correct Answer: D

Rationale: A platelet count of 140,000/mm³ is at the lower end of the normal range but can be concerning in pregnancy, especially if there are signs of thrombocytopenia or bleeding.