Correct Answer: B

Rationale: An increase in urine output is a reliable indicator that the client's hydration status is improving. This reflects adequate fluid replacement and improved kidney function. Choice A is subjective and may not always indicate improved hydration. Choice C, while a positive sign, may be influenced by other factors such as medications or pain. Choice D, skin turgor returning to normal, is a delayed indicator of hydration status and may take time to improve even after hydration is initiated.

Correct Answer: B

Rationale: The correct answer is B. Pale mucous membranes, such as those of the eyelids and lips, are a classic sign of anemia in infants. Anemia leads to decreased oxygen-carrying capacity, resulting in tissue hypoxia, which can manifest as pale mucosa. Choice A, a hemoglobin level of 12 g/dL, is within the normal range for a 10-month-old infant and would not necessarily indicate anemia. Choice C, hypoactivity, is a non-specific finding and can be present in various conditions, not specifically anemia. Choice D, a heart rate between 140 to 160, is within the normal range for an infant and is not a specific finding associated with anemia.

Correct Answer: A

Rationale: The correct answer is A: 'Take the medication in the morning before eating.' Levothyroxine should be taken on an empty stomach in the morning for optimal absorption. Choice B is incorrect because while taking medication with water is generally recommended, levothyroxine specifically needs to be taken on an empty stomach. Choice C is incorrect as taking levothyroxine with food can interfere with its absorption. Choice D is incorrect as levothyroxine should be taken regularly as prescribed, not only when symptoms worsen.

Correct Answer: C

Rationale: In SIADH, there is excessive ADH secretion leading to water retention and dilutional hyponatremia. The most crucial intervention is to restrict fluid intake to prevent further fluid overload and worsening of hyponatremia. Encouraging oral hydration (choice A) would exacerbate the condition by adding more fluids. Monitoring for signs of dehydration (choice B) is not appropriate as the client is at risk of fluid overload. Administering IV fluids (choice D) would worsen the hyponatremia and should be avoided.

Correct Answer: C

Rationale: The correct answer is C. Clients who have had a hip replacement should not keep their legs together to prevent dislocation. This position increases the risk of hip dislocation. Choices A, B, and D are correct statements. Avoiding crossing legs, using a raised toilet seat to prevent excessive bending, and using a walker when moving around initially are all appropriate measures to ensure proper recovery and prevent complications after a total hip replacement.