Correct Answer: C

Rationale: Corrected Rationale: Magnesium sulfate can cause respiratory depression, leading to a decreased respiratory rate. A respiratory rate of 10/min is abnormally low and indicates magnesium toxicity. Tachycardia (Choice A) is not typically associated with magnesium toxicity. Hyperreflexia (Choice B) is a common sign of magnesium toxicity. Polyuria (Choice D) is not a typical finding of magnesium toxicity.

Correct Answer: C

Rationale: The correct answer is C: Yellow-tinged skin. Yellow-tinged skin within the first 24 hours of life can indicate pathological jaundice and should be reported to the provider. High heart rate (Choice A), normal axillary temperature (Choice B), and slightly elevated respiratory rate (Choice D) are common findings in newborns and may not necessarily require immediate reporting unless they persist or are significantly abnormal.

Correct Answer: B

Rationale: The correct answer is B: 'You should avoid consuming liquids with your meals.' This advice is essential because avoiding drinking liquids with meals can help prevent overdistension of the stomach, which can worsen nausea. Option A is incorrect because eating foods high in protein before bedtime may not directly address the issue of nausea and vomiting. Option C is incorrect as eating three large meals a day may exacerbate nausea due to overeating or having an empty stomach for an extended period. Option D is incorrect as consuming caffeine can actually worsen nausea in pregnant clients.

Correct Answer: B

Rationale: Applying counterpressure to the sacrum can help alleviate lower back pain during labor by reducing pressure on the nerves. Effleurage on the abdomen, back massage with lavender oil, and administering opioid analgesics are not specifically targeted at relieving lower back pain, making them less effective interventions in this scenario.

Correct Answer: B

Rationale: Newborns who are large for gestational age (LGA) are at risk for hypoglycemia due to increased insulin production. Hyperbilirubinemia (Choice A) is more commonly associated with ABO or Rh incompatibility. Hypercalcemia (Choice C) is not a common finding in LGA newborns. Hypothermia (Choice D) may occur in newborns who are small for gestational age (SGA) due to a lack of subcutaneous fat for insulation, but it is not typically associated with LGA newborns.